n/a
n/a
n/a
n/a
add = function (value, other) { var result; if (value === undefined && other === undefined) { return defaultValue; } if (value !== undefined) { result = value; } if (other !== undefined) { if (result === undefined) { return other; } if (typeof value == 'string' || typeof other == 'string') { value = baseToString(value); other = baseToString(other); } else { value = baseToNumber(value); other = baseToNumber(other); } result = operator(value, other); } return result; }
...
* @since 3.4.0
* @category Math
* @param {number} augend The first number in an addition.
* @param {number} addend The second number in an addition.
* @returns {number} Returns the total.
* @example
*
* _.add(6, 4);
* // => 10
*/
var add = createMathOperation(function(augend, addend) {
return augend + addend;
}, 0);
module.exports = add;
...
function after(n, func) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n < 1) { return func.apply(this, arguments); } }; }
...
* @param {number} n The number of calls before `func` is invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
...
all = function () {
/* [wrapped with _.curry] */
var length = arguments.length;
if (!length) {
return func();
}
var args = Array(length);
while (length--) {
args[length] = arguments[length];
}
var index = config.rearg ? 0 : (length - 1);
args[index] = transform(args[index]);
return func.apply(undefined, args);
}
n/a
function ary(func, n, guard) { n = guard ? undefined : n; n = (func && n == null) ? func.length : n; return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n); }
...
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
...
assign = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
...
* function Bar() {
* this.c = 3;
* }
*
* Foo.prototype.b = 2;
* Bar.prototype.d = 4;
*
* _.assign({ 'a': 0 }, new Foo, new Bar);
* // => { 'a': 1, 'c': 3 }
*/
var assign = createAssigner(function(object, source) {
if (isPrototype(source) || isArrayLike(source)) {
copyObject(source, keys(source), object);
return;
}
...
assignIn = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
...
* function Bar() {
* this.c = 3;
* }
*
* Foo.prototype.b = 2;
* Bar.prototype.d = 4;
*
* _.assignIn({ 'a': 0 }, new Foo, new Bar);
* // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
*/
var assignIn = createAssigner(function(object, source) {
copyObject(source, keysIn(source), object);
});
module.exports = assignIn;
...
assignInWith = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
assignWith = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
function baseAt(object, paths) { var index = -1, length = paths.length, result = Array(length), skip = object == null; while (++index < length) { result[index] = skip ? undefined : get(object, paths[index]); } return result; }
...
* @param {Object} object The object to iterate over.
* @param {...(string|string[])} [paths] The property paths to pick.
* @returns {Array} Returns the picked values.
* @example
*
* var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
*
* _.at(object, ['a[0].b.c', 'a[1]']);
* // => [3, 4]
*/
var at = flatRest(baseAt);
module.exports = at;
...
attempt = function (func, args) { try { return apply(func, undefined, args); } catch (e) { return isError(e) ? e : new Error(e); } }
...
* @category Util
* @param {Function} func The function to attempt.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {*} Returns the `func` result or error object.
* @example
*
* // Avoid throwing errors for invalid selectors.
* var elements = _.attempt(function(selector) {
* return document.querySelectorAll(selector);
* }, '>_>');
*
* if (_.isError(elements)) {
* elements = [];
* }
*/
...
function before(n, func) { var result; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n > 0) { result = func.apply(this, arguments); } if (n <= 1) { func = undefined; } return result; }; }
...
* @since 3.0.0
* @category Function
* @param {number} n The number of calls at which `func` is no longer invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* jQuery(element).on('click', _.before(5, addContactToList));
* // => Allows adding up to 4 contacts to the list.
*/
function before(n, func) {
var result;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
...
bindAll = function (object, methodNames) { arrayEach(methodNames, function(key) { key = toKey(key); baseAssignValue(object, key, bind(object[key], object)); }); return object; }
...
* var view = {
* 'label': 'docs',
* 'click': function() {
* console.log('clicked ' + this.label);
* }
* };
*
* _.bindAll(view, ['click']);
* jQuery(element).on('click', view.click);
* // => Logs 'clicked docs' when clicked.
*/
var bindAll = flatRest(function(object, methodNames) {
arrayEach(methodNames, function(key) {
key = toKey(key);
baseAssignValue(object, key, bind(object[key], object));
...
bindKey = function (object, key, partials) { var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG; if (partials.length) { var holders = replaceHolders(partials, getHolder(bindKey)); bitmask |= WRAP_PARTIAL_FLAG; } return createWrap(key, bitmask, object, partials, holders); }
...
* var object = {
* 'user': 'fred',
* 'greet': function(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
* };
*
* var bound = _.bindKey(object, 'greet', 'hi');
* bound('!');
* // => 'hi fred!'
*
* object.greet = function(greeting, punctuation) {
* return greeting + 'ya ' + this.user + punctuation;
* };
*
...
camelCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
...
* @memberOf _
* @since 3.0.0
* @category String
* @param {string} [string=''] The string to convert.
* @returns {string} Returns the camel cased string.
* @example
*
* _.camelCase('Foo Bar');
* // => 'fooBar'
*
* _.camelCase('--foo-bar--');
* // => 'fooBar'
*
* _.camelCase('__FOO_BAR__');
* // => 'fooBar'
...
function capitalize(string) { return upperFirst(toString(string).toLowerCase()); }
...
* @memberOf _
* @since 3.0.0
* @category String
* @param {string} [string=''] The string to capitalize.
* @returns {string} Returns the capitalized string.
* @example
*
* _.capitalize('FRED');
* // => 'Fred'
*/
function capitalize(string) {
return upperFirst(toString(string).toLowerCase());
}
module.exports = capitalize;
...
function castArray() { if (!arguments.length) { return []; } var value = arguments[0]; return isArray(value) ? value : [value]; }
...
* @memberOf _
* @since 4.4.0
* @category Lang
* @param {*} value The value to inspect.
* @returns {Array} Returns the cast array.
* @example
*
* _.castArray(1);
* // => [1]
*
* _.castArray({ 'a': 1 });
* // => [{ 'a': 1 }]
*
* _.castArray('abc');
* // => ['abc']
...
ceil = function (number, precision) { number = toNumber(number); precision = precision == null ? 0 : nativeMin(toInteger(precision), 292); if (precision) { // Shift with exponential notation to avoid floating-point issues. // See [MDN](https://mdn.io/round#Examples) for more details. var pair = (toString(number) + 'e').split('e'), value = func(pair[0] + 'e' + (+pair[1] + precision)); pair = (toString(value) + 'e').split('e'); return +(pair[0] + 'e' + (+pair[1] - precision)); } return func(number); }
...
* @since 3.10.0
* @category Math
* @param {number} number The number to round up.
* @param {number} [precision=0] The precision to round up to.
* @returns {number} Returns the rounded up number.
* @example
*
* _.ceil(4.006);
* // => 5
*
* _.ceil(6.004, 2);
* // => 6.01
*
* _.ceil(6040, -2);
* // => 6100
...
function chain(value) { var result = lodash(value); result.__chain__ = true; return result; }
...
* var users = [
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
...
function chunk(array, size, guard) { if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) { size = 1; } else { size = nativeMax(toInteger(size), 0); } var length = array == null ? 0 : array.length; if (!length || size < 1) { return []; } var index = 0, resIndex = 0, result = Array(nativeCeil(length / size)); while (index < length) { result[resIndex++] = baseSlice(array, index, (index += size)); } return result; }
...
* @category Array
* @param {Array} array The array to process.
* @param {number} [size=1] The length of each chunk
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the new array of chunks.
* @example
*
* _.chunk(['a', 'b', 'c', 'd'], 2);
* // => [['a', 'b'], ['c', 'd']]
*
* _.chunk(['a', 'b', 'c', 'd'], 3);
* // => [['a', 'b', 'c'], ['d']]
*/
function chunk(array, size, guard) {
if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
...
function clamp(number, lower, upper) { if (upper === undefined) { upper = lower; lower = undefined; } if (upper !== undefined) { upper = toNumber(upper); upper = upper === upper ? upper : 0; } if (lower !== undefined) { lower = toNumber(lower); lower = lower === lower ? lower : 0; } return baseClamp(toNumber(number), lower, upper); }
...
* @category Number
* @param {number} number The number to clamp.
* @param {number} [lower] The lower bound.
* @param {number} upper The upper bound.
* @returns {number} Returns the clamped number.
* @example
*
* _.clamp(-10, -5, 5);
* // => -5
*
* _.clamp(10, -5, 5);
* // => 5
*/
function clamp(number, lower, upper) {
if (upper === undefined) {
...
function clone(value) { return baseClone(value, CLONE_SYMBOLS_FLAG); }
...
* @param {*} value The value to clone.
* @returns {*} Returns the cloned value.
* @see _.cloneDeep
* @example
*
* var objects = [{ 'a': 1 }, { 'b': 2 }];
*
* var shallow = _.clone(objects);
* console.log(shallow[0] === objects[0]);
* // => true
*/
function clone(value) {
return baseClone(value, CLONE_SYMBOLS_FLAG);
}
...
function cloneDeep(value) { return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG); }
...
* @param {*} value The value to recursively clone.
* @returns {*} Returns the deep cloned value.
* @see _.clone
* @example
*
* var objects = [{ 'a': 1 }, { 'b': 2 }];
*
* var deep = _.cloneDeep(objects);
* console.log(deep[0] === objects[0]);
* // => false
*/
function cloneDeep(value) {
return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
}
...
function cloneDeepWith(value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer); }
...
*
* function customizer(value) {
* if (_.isElement(value)) {
* return value.cloneNode(true);
* }
* }
*
* var el = _.cloneDeepWith(document.body, customizer);
*
* console.log(el === document.body);
* // => false
* console.log(el.nodeName);
* // => 'BODY'
* console.log(el.childNodes.length);
* // => 20
...
function cloneWith(value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseClone(value, CLONE_SYMBOLS_FLAG, customizer); }
...
*
* function customizer(value) {
* if (_.isElement(value)) {
* return value.cloneNode(false);
* }
* }
*
* var el = _.cloneWith(document.body, customizer);
*
* console.log(el === document.body);
* // => false
* console.log(el.nodeName);
* // => 'BODY'
* console.log(el.childNodes.length);
* // => 0
...
function compact(array) { var index = -1, length = array == null ? 0 : array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (value) { result[resIndex++] = value; } } return result; }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to compact.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.compact([0, 1, false, 2, '', 3]);
* // => [1, 2, 3]
*/
function compact(array) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
...
function concat() { var length = arguments.length; if (!length) { return []; } var args = Array(length - 1), array = arguments[0], index = length; while (index--) { args[index - 1] = arguments[index]; } return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); }
...
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* var array = [1];
* var other = _.concat(array, 2, [3], [[4]]);
*
* console.log(other);
* // => [1, 2, 3, [4]]
*
* console.log(array);
* // => [1]
*/
...
function cond(pairs) { var length = pairs == null ? 0 : pairs.length, toIteratee = getIteratee(); pairs = !length ? [] : arrayMap(pairs, function(pair) { if (typeof pair[1] != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } return [toIteratee(pair[0]), pair[1]]; }); return baseRest(function(args) { var index = -1; while (++index < length) { var pair = pairs[index]; if (apply(pair[0], this, args)) { return apply(pair[1], this, args); } } }); }
...
* @memberOf _
* @since 4.0.0
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
...
function conforms(source) { return baseConforms(baseClone(source, CLONE_DEEP_FLAG)); }
...
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
*
* func({ 'a': 0, 'b': 1 });
...
function conformsTo(object, source) { return source == null || baseConformsTo(object, source, keys(source)); }
...
* @param {Object} object The object to inspect.
* @param {Object} source The object of property predicates to conform to.
* @returns {boolean} Returns `true` if `object` conforms, else `false`.
* @example
*
* var object = { 'a': 1, 'b': 2 };
*
* _.conformsTo(object, { 'b': function(n) { return n > 1; } });
* // => true
*
* _.conformsTo(object, { 'b': function(n) { return n > 2; } });
* // => false
*/
function conformsTo(object, source) {
return source == null || baseConformsTo(object, source, keys(source));
...
function constant(value) { return function() { return value; }; }
...
* @since 4.0.0
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
*
...
function lodash(value) { return value instanceof LodashWrapper ? value : new LodashWrapper(value); }
n/a
countBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, getIteratee(iteratee, 2), accumulator); }
...
* @since 0.5.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The iteratee to transform keys.
* @returns {Object} Returns the composed aggregate object.
* @example
*
* _.countBy([6.1, 4.2, 6.3], Math.floor);
* // => { '4': 1, '6': 2 }
*
* // The `_.property` iteratee shorthand.
* _.countBy(['one', 'two', 'three'], 'length');
* // => { '3': 2, '5': 1 }
*/
var countBy = createAggregator(function(result, value, key) {
...
function create(prototype, properties) { var result = baseCreate(prototype); return properties == null ? result : baseAssign(result, properties); }
...
* this.y = 0;
* }
*
* function Circle() {
* Shape.call(this);
* }
*
* Circle.prototype = _.create(Shape.prototype, {
* 'constructor': Circle
* });
*
* var circle = new Circle;
* circle instanceof Circle;
* // => true
*
...
function curry(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curry.placeholder; return result; }
...
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curry(abc);
*
* curried(1)(2)(3);
* // => [1, 2, 3]
*
* curried(1, 2)(3);
* // => [1, 2, 3]
*
...
function curryRight(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curryRight.placeholder; return result; }
...
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curryRight(abc);
*
* curried(3)(2)(1);
* // => [1, 2, 3]
*
* curried(2, 3)(1);
* // => [1, 2, 3]
*
...
function debounce(func, wait, options) { var lastArgs, lastThis, maxWait, result, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } wait = toNumber(wait) || 0; if (isObject(options)) { leading = !!options.leading; maxing = 'maxWait' in options; maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait; trailing = 'trailing' in options ? !!options.trailing : trailing; } function invokeFunc(time) { var args = lastArgs, thisArg = lastThis; lastArgs = lastThis = undefined; lastInvokeTime = time; result = func.apply(thisArg, args); return result; } function leadingEdge(time) { // Reset any `maxWait` timer. lastInvokeTime = time; // Start the timer for the trailing edge. timerId = setTimeout(timerExpired, wait); // Invoke the leading edge. return leading ? invokeFunc(time) : result; } function remainingWait(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, timeWaiting = wait - timeSinceLastCall; return maxing ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting; } function shouldInvoke(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime; // Either this is the first call, activity has stopped and we're at the // trailing edge, the system time has gone backwards and we're treating // it as the trailing edge, or we've hit the `maxWait` limit. return (lastCallTime === undefined || (timeSinceLastCall >= wait) || (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait)); } function timerExpired() { var time = now(); if (shouldInvoke(time)) { return trailingEdge(time); } // Restart the timer. timerId = setTimeout(timerExpired, remainingWait(time)); } function trailingEdge(time) { timerId = undefined; // Only invoke if we have `lastArgs` which means `func` has been // debounced at least once. if (trailing && lastArgs) { return invokeFunc(time); } lastArgs = lastThis = undefined; return result; } function cancel() { if (timerId !== undefined) { clearTimeout(timerId); } lastInvokeTime = 0; lastArgs = lastCallTime = lastThis = timerId = undefined; } function flush() { return timerId === undefined ? result : trailingEdge(now()); } function debounced() { var time = now(), isInvoking = shouldInvoke(time); lastArgs = arguments; lastThis = this; lastCallTime = time; if (isInvoking) { if (timerId === undefined) { return leadingEdge(lastCallTime); } if (maxing) { // Handle invocations in a tight loop. timerId = setTimeout(timerExpired, wait); return invokeFunc(lastCallTime); } } if (timerId === undefined) { timerId = setTimeout(timerExpired, wait); } return result; } debounced.cancel = cancel; debounced.flush = flush; return debounced; }
...
* The maximum time `func` is allowed to be delayed before it's invoked.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new debounced function.
* @example
*
* // Avoid costly calculations while the window size is in flux.
* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
*
* // Invoke `sendMail` when clicked, debouncing subsequent calls.
* jQuery(element).on('click', _.debounce(sendMail, 300, {
* 'leading': true,
* 'trailing': false
* }));
*
...
function deburr(string) { string = toString(string); return string && string.replace(reLatin, deburrLetter).replace(reComboMark, ''); }
...
* @memberOf _
* @since 3.0.0
* @category String
* @param {string} [string=''] The string to deburr.
* @returns {string} Returns the deburred string.
* @example
*
* _.deburr('déjà vu');
* // => 'deja vu'
*/
function deburr(string) {
string = toString(string);
return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
}
...
function defaultTo(value, defaultValue) { return (value == null || value !== value) ? defaultValue : value; }
...
* @since 4.14.0
* @category Util
* @param {*} value The value to check.
* @param {*} defaultValue The default value.
* @returns {*} Returns the resolved value.
* @example
*
* _.defaultTo(1, 10);
* // => 1
*
* _.defaultTo(undefined, 10);
* // => 10
*/
function defaultTo(value, defaultValue) {
return (value == null || value !== value) ? defaultValue : value;
...
defaults = function (object, sources) { object = Object(object); var index = -1; var length = sources.length; var guard = length > 2 ? sources[2] : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { length = 1; } while (++index < length) { var source = sources[index]; var props = keysIn(source); var propsIndex = -1; var propsLength = props.length; while (++propsIndex < propsLength) { var key = props[propsIndex]; var value = object[key]; if (value === undefined || (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) { object[key] = source[key]; } } } return object; }
...
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @see _.defaultsDeep
* @example
*
* _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
var defaults = baseRest(function(object, sources) {
object = Object(object);
var index = -1;
var length = sources.length;
...
defaultsDeep = function (args) { args.push(undefined, customDefaultsMerge); return apply(mergeWith, undefined, args); }
...
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @see _.defaults
* @example
*
* _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b
': 1, 'c': 3 } });
* // => { 'a': { 'b': 2, 'c': 3 } }
*/
var defaultsDeep = baseRest(function(args) {
args.push(undefined, customDefaultsMerge);
return apply(mergeWith, undefined, args);
});
...
defer = function (func, args) { return baseDelay(func, 1, args); }
...
* @since 0.1.0
* @category Function
* @param {Function} func The function to defer.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.defer(function(text) {
* console.log(text);
* }, 'deferred');
* // => Logs 'deferred' after one millisecond.
*/
var defer = baseRest(function(func, args) {
return baseDelay(func, 1, args);
});
...
delay = function (func, wait, args) { return baseDelay(func, toNumber(wait) || 0, args); }
...
* @category Function
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.delay(function(text) {
* console.log(text);
* }, 1000, 'later');
* // => Logs 'later' after one second.
*/
var delay = baseRest(function(func, wait, args) {
return baseDelay(func, toNumber(wait) || 0, args);
});
...
difference = function (array, values) { return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) : []; }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @returns {Array} Returns the new array of filtered values.
* @see _.without, _.xor
* @example
*
* _.difference([2, 1], [2, 3]);
* // => [1]
*/
var difference = baseRest(function(array, values) {
return isArrayLikeObject(array)
? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
: [];
});
...
differenceBy = function (array, values) { var iteratee = last(values); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)) : []; }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
* // => [1.2]
*
* // The `_.property` iteratee shorthand.
* _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
* // => [{ 'x': 2 }]
*/
var differenceBy = baseRest(function(array, values) {
...
differenceWith = function (array, values) { var comparator = last(values); if (isArrayLikeObject(comparator)) { comparator = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator) : []; }
...
* @param {...Array} [values] The values to exclude.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
*
* _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
* // => [{ 'x': 2, 'y': 1 }]
*/
var differenceWith = baseRest(function(array, values) {
var comparator = last(values);
if (isArrayLikeObject(comparator)) {
comparator = undefined;
}
...
divide = function (value, other) { var result; if (value === undefined && other === undefined) { return defaultValue; } if (value !== undefined) { result = value; } if (other !== undefined) { if (result === undefined) { return other; } if (typeof value == 'string' || typeof other == 'string') { value = baseToString(value); other = baseToString(other); } else { value = baseToNumber(value); other = baseToNumber(other); } result = operator(value, other); } return result; }
...
* @since 4.7.0
* @category Math
* @param {number} dividend The first number in a division.
* @param {number} divisor The second number in a division.
* @returns {number} Returns the quotient.
* @example
*
* _.divide(6, 4);
* // => 1.5
*/
var divide = createMathOperation(function(dividend, divisor) {
return dividend / divisor;
}, 1);
module.exports = divide;
...
function drop(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, n < 0 ? 0 : n, length); }
...
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.drop([1, 2, 3]);
* // => [2, 3]
*
* _.drop([1, 2, 3], 2);
* // => [3]
*
* _.drop([1, 2, 3], 5);
* // => []
...
function dropRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, 0, n < 0 ? 0 : n); }
...
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.dropRight([1, 2, 3]);
* // => [1, 2]
*
* _.dropRight([1, 2, 3], 2);
* // => [1]
*
* _.dropRight([1, 2, 3], 5);
* // => []
...
function dropRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), true, true) : []; }
...
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.dropRightWhile(users, function(o) { return !o.active; });
* // => objects for ['barney']
*
* // The `_.matches` iteratee shorthand.
* _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
* // => objects for ['barney', 'fred']
*
* // The `_.matchesProperty` iteratee shorthand.
...
function dropWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), true) : []; }
...
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.dropWhile(users, function(o) { return !o.active; });
* // => objects for ['pebbles']
*
* // The `_.matches` iteratee shorthand.
* _.dropWhile(users, { 'user': 'barney', 'active': false });
* // => objects for ['fred', 'pebbles']
*
* // The `_.matchesProperty` iteratee shorthand.
...
function forEach(collection, iteratee) { var func = isArray(collection) ? arrayEach : baseEach; return func(collection, getIteratee(iteratee, 3)); }
n/a
function forEachRight(collection, iteratee) { var func = isArray(collection) ? arrayEachRight : baseEachRight; return func(collection, getIteratee(iteratee, 3)); }
n/a
function endsWith(string, target, position) { string = toString(string); target = baseToString(target); var length = string.length; position = position === undefined ? length : baseClamp(toInteger(position), 0, length); var end = position; position -= target.length; return position >= 0 && string.slice(position, end) == target; }
...
* @param {string} [string=''] The string to inspect.
* @param {string} [target] The string to search for.
* @param {number} [position=string.length] The position to search up to.
* @returns {boolean} Returns `true` if `string` ends with `target`,
* else `false`.
* @example
*
* _.endsWith('abc', 'c');
* // => true
*
* _.endsWith('abc', 'b');
* // => false
*
* _.endsWith('abc', 'b', 2);
* // => true
...
entries = function (object) { var tag = getTag(object); if (tag == mapTag) { return mapToArray(object); } if (tag == setTag) { return setToPairs(object); } return baseToPairs(object, keysFunc(object)); }
n/a
entriesIn = function (object) { var tag = getTag(object); if (tag == mapTag) { return mapToArray(object); } if (tag == setTag) { return setToPairs(object); } return baseToPairs(object, keysFunc(object)); }
n/a
function eq(value, other) { return value === other || (value !== value && other !== other); }
...
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.eq(object, object);
* // => true
*
* _.eq(object, other);
* // => false
*
* _.eq('a', 'a');
* // => true
...
function escape(string) { string = toString(string); return (string && reHasUnescapedHtml.test(string)) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string; }
...
* @since 0.1.0
* @memberOf _
* @category String
* @param {string} [string=''] The string to escape.
* @returns {string} Returns the escaped string.
* @example
*
* _.escape('fred, barney, & pebbles');
* // => 'fred, barney, & pebbles'
*/
function escape(string) {
string = toString(string);
return (string && reHasUnescapedHtml.test(string))
? string.replace(reUnescapedHtml, escapeHtmlChar)
: string;
...
function escapeRegExp(string) { string = toString(string); return (string && reHasRegExpChar.test(string)) ? string.replace(reRegExpChar, '\\$&') : string; }
...
* @memberOf _
* @since 3.0.0
* @category String
* @param {string} [string=''] The string to escape.
* @returns {string} Returns the escaped string.
* @example
*
* _.escapeRegExp('[lodash](https://lodash.com/)');
* // => '\[lodash\]\(https://lodash\.com/\)'
*/
function escapeRegExp(string) {
string = toString(string);
return (string && reHasRegExpChar.test(string))
? string.replace(reRegExpChar, '\\$&')
: string;
...
function every(collection, predicate, guard) { var func = isArray(collection) ? arrayEvery : baseEvery; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, getIteratee(predicate, 3)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
* @example
*
* _.every([true, 1, null, 'yes'], Boolean);
* // => false
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
...
extend = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
extendWith = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
function fill(array, value, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { start = 0; end = length; } return baseFill(array, value, start, end); }
...
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns `array`.
* @example
*
* var array = [1, 2, 3];
*
* _.fill(array, 'a');
* console.log(array);
* // => ['a', 'a', 'a']
*
* _.fill(Array(3), 2);
* // => [2, 2, 2]
*
* _.fill([4, 6, 8, 10], '*', 1, 3);
...
function filter(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, getIteratee(predicate, 3)); }
...
* @example
*
* var objects = [
* { 'a': 2, 'b': 1 },
* { 'a': 1, 'b': 2 }
* ];
*
* _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
* // => [{ 'a': 1, 'b': 2 }]
*/
function conforms(source) {
return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
}
module.exports = conforms;
...
find = function (collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = getIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false },
* { 'user': 'pebbles', 'age': 1, 'active': true }
* ];
*
* _.find(users, function(o) { return o.age < 40; });
* // => object for 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.find(users, { 'age': 1, 'active': true });
* // => object for 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
...
function findIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseFindIndex(array, getIteratee(predicate, 3), index); }
...
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.findIndex(users, function(o) { return o.user == 'barney'; });
* // => 0
*
* // The `_.matches` iteratee shorthand.
* _.findIndex(users, { 'user': 'fred', 'active': false });
* // => 1
*
* // The `_.matchesProperty` iteratee shorthand.
...
function findKey(object, predicate) { return baseFindKey(object, getIteratee(predicate, 3), baseForOwn); }
...
*
* var users = {
* 'barney': { 'age': 36, 'active': true },
* 'fred': { 'age': 40, 'active': false },
* 'pebbles': { 'age': 1, 'active': true }
* };
*
* _.findKey(users, function(o) { return o.age < 40; });
* // => 'barney' (iteration order is not guaranteed)
*
* // The `_.matches` iteratee shorthand.
* _.findKey(users, { 'age': 1, 'active': true });
* // => 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
...
findLast = function (collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = getIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }
...
* @category Collection
* @param {Array|Object} collection The collection to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=collection.length-1] The index to search from.
* @returns {*} Returns the matched element, else `undefined`.
* @example
*
* _.findLast([1, 2, 3, 4], function(n) {
* return n % 2 == 1;
* });
* // => 3
*/
var findLast = createFind(findLastIndex);
module.exports = findLast;
...
function findLastIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length - 1; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = fromIndex < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return baseFindIndex(array, getIteratee(predicate, 3), index, true); }
...
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
* // => 2
*
* // The `_.matches` iteratee shorthand.
* _.findLastIndex(users, { 'user': 'barney', 'active': true });
* // => 0
*
* // The `_.matchesProperty` iteratee shorthand.
...
function findLastKey(object, predicate) { return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight); }
...
*
* var users = {
* 'barney': { 'age': 36, 'active': true },
* 'fred': { 'age': 40, 'active': false },
* 'pebbles': { 'age': 1, 'active': true }
* };
*
* _.findLastKey(users, function(o) { return o.age < 40; });
* // => returns 'pebbles' assuming `_.findKey` returns 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.findLastKey(users, { 'age': 36, 'active': true });
* // => 'barney'
*
* // The `_.matchesProperty` iteratee shorthand.
...
function head(array) { return (array && array.length) ? array[0] : undefined; }
n/a
function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1); }
n/a
function flatMapDeep(collection, iteratee) { return baseFlatten(map(collection, iteratee), INFINITY); }
n/a
function flatMapDepth(collection, iteratee, depth) { depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(map(collection, iteratee), depth); }
n/a
function flatten(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, 1) : []; }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flatten([1, [2, [3, [4]], 5]]);
* // => [1, 2, [3, [4]], 5]
*/
function flatten(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, 1) : [];
}
...
function flattenDeep(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, INFINITY) : []; }
...
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, INFINITY) : [];
}
...
function flattenDepth(array, depth) { var length = array == null ? 0 : array.length; if (!length) { return []; } depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(array, depth); }
n/a
function flip(func) { return createWrap(func, WRAP_FLIP_FLAG); }
n/a
floor = function (number, precision) { number = toNumber(number); precision = precision == null ? 0 : nativeMin(toInteger(precision), 292); if (precision) { // Shift with exponential notation to avoid floating-point issues. // See [MDN](https://mdn.io/round#Examples) for more details. var pair = (toString(number) + 'e').split('e'), value = func(pair[0] + 'e' + (+pair[1] + precision)); pair = (toString(value) + 'e').split('e'); return +(pair[0] + 'e' + (+pair[1] - precision)); } return func(number); }
n/a
flow = function (funcs) { var length = funcs.length, index = length, prereq = LodashWrapper.prototype.thru; if (fromRight) { funcs.reverse(); } while (index--) { var func = funcs[index]; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (prereq && !wrapper && getFuncName(func) == 'wrapper') { var wrapper = new LodashWrapper([], true); } } index = wrapper ? index : length; while (++index < length) { func = funcs[index]; var funcName = getFuncName(func), data = funcName == 'wrapper' ? getData(func) : undefined; if (data && isLaziable(data[0]) && data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && !data[4].length && data[9] == 1 ) { wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); } else { wrapper = (func.length == 1 && isLaziable(func)) ? wrapper[funcName]() : wrapper.thru(func); } } return function() { var args = arguments, value = args[0]; if (wrapper && args.length == 1 && isArray(value)) { return wrapper.plant(value).value(); } var index = 0, result = length ? funcs[index].apply(this, args) : value; while (++index < length) { result = funcs[index].call(this, result); } return result; }; }
n/a
flowRight = function (funcs) { var length = funcs.length, index = length, prereq = LodashWrapper.prototype.thru; if (fromRight) { funcs.reverse(); } while (index--) { var func = funcs[index]; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (prereq && !wrapper && getFuncName(func) == 'wrapper') { var wrapper = new LodashWrapper([], true); } } index = wrapper ? index : length; while (++index < length) { func = funcs[index]; var funcName = getFuncName(func), data = funcName == 'wrapper' ? getData(func) : undefined; if (data && isLaziable(data[0]) && data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && !data[4].length && data[9] == 1 ) { wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); } else { wrapper = (func.length == 1 && isLaziable(func)) ? wrapper[funcName]() : wrapper.thru(func); } } return function() { var args = arguments, value = args[0]; if (wrapper && args.length == 1 && isArray(value)) { return wrapper.plant(value).value(); } var index = 0, result = length ? funcs[index].apply(this, args) : value; while (++index < length) { result = funcs[index].call(this, result); } return result; }; }
n/a
function forEach(collection, iteratee) { var func = isArray(collection) ? arrayEach : baseEach; return func(collection, getIteratee(iteratee, 3)); }
...
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
*/
function after(n, func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
...
function forEachRight(collection, iteratee) { var func = isArray(collection) ? arrayEachRight : baseEachRight; return func(collection, getIteratee(iteratee, 3)); }
n/a
function forIn(object, iteratee) { return object == null ? object : baseFor(object, getIteratee(iteratee, 3), keysIn); }
n/a
function forInRight(object, iteratee) { return object == null ? object : baseForRight(object, getIteratee(iteratee, 3), keysIn); }
n/a
function forOwn(object, iteratee) { return object && baseForOwn(object, getIteratee(iteratee, 3)); }
n/a
function forOwnRight(object, iteratee) { return object && baseForOwnRight(object, getIteratee(iteratee, 3)); }
n/a
function fromPairs(pairs) { var index = -1, length = pairs == null ? 0 : pairs.length, result = {}; while (++index < length) { var pair = pairs[index]; result[pair[0]] = pair[1]; } return result; }
n/a
function functions(object) { return object == null ? [] : baseFunctions(object, keys(object)); }
n/a
function functionsIn(object) { return object == null ? [] : baseFunctions(object, keysIn(object)); }
n/a
function get(object, path, defaultValue) { var result = object == null ? undefined : baseGet(object, path); return result === undefined ? defaultValue : result; }
...
return object ? value : {};
}
result = initCloneByTag(value, tag, isDeep);
}
}
// Check for circular references and return its corresponding clone.
stack || (stack = new Stack);
var stacked = stack.get(value);
if (stacked) {
return stacked;
}
stack.set(value, result);
if (isSet(value)) {
value.forEach(function(subValue) {
...
groupBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, getIteratee(iteratee, 2), accumulator); }
n/a
gt = function (value, other) { if (!(typeof value == 'string' && typeof other == 'string')) { value = toNumber(value); other = toNumber(other); } return operator(value, other); }
n/a
gte = function (value, other) { if (!(typeof value == 'string' && typeof other == 'string')) { value = toNumber(value); other = toNumber(other); } return operator(value, other); }
n/a
function has(object, path) { return object != null && hasPath(object, path, baseHas); }
...
*
* @private
* @param {Object} cache The cache to query.
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function cacheHas(cache, key) {
return cache.has(key);
}
module.exports = cacheHas;
...
function hasIn(object, path) { return object != null && hasPath(object, path, baseHasIn); }
n/a
function head(array) { return (array && array.length) ? array[0] : undefined; }
...
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
function chain(value) {
var result = lodash(value);
result.__chain__ = true;
return result;
...
function identity(value) { return value; }
...
* @category Util
* @param {*} value Any value.
* @returns {*} Returns `value`.
* @example
*
* var object = { 'a': 1 };
*
* console.log(_.identity(object) === object);
* // => true
*/
function identity(value) {
return value;
}
/**
...
function inRange(number, start, end) { start = toFinite(start); if (end === undefined) { end = start; start = 0; } else { end = toFinite(end); } number = toNumber(number); return baseInRange(number, start, end); }
n/a
function includes(collection, value, fromIndex, guard) { collection = isArrayLike(collection) ? collection : values(collection); fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0; var length = collection.length; if (fromIndex < 0) { fromIndex = nativeMax(length + fromIndex, 0); } return isString(collection) ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1) : (!!length && baseIndexOf(collection, value, fromIndex) > -1); }
n/a
function indexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseIndexOf(array, value, index); }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.indexOf([1, 2, 1, 2], 2);
* // => 1
*
* // Search from the `fromIndex`.
* _.indexOf([1, 2, 1, 2], 2, 2);
* // => 3
*/
function indexOf(array, value, fromIndex) {
...
function initial(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 0, -1) : []; }
n/a
intersection = function (arrays) { var mapped = arrayMap(arrays, castArrayLikeObject); return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped) : []; }
n/a
intersectionBy = function (arrays) { var iteratee = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); if (iteratee === last(mapped)) { iteratee = undefined; } else { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, getIteratee(iteratee, 2)) : []; }
n/a
intersectionWith = function (arrays) { var comparator = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); comparator = typeof comparator == 'function' ? comparator : undefined; if (comparator) { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, undefined, comparator) : []; }
n/a
invert = function (object, iteratee) { return baseInverter(object, setter, toIteratee(iteratee), {}); }
n/a
invertBy = function (object, iteratee) { return baseInverter(object, setter, toIteratee(iteratee), {}); }
n/a
function baseInvoke(object, path, args) { path = castPath(path, object); object = parent(object, path); var func = object == null ? object : object[toKey(last(path))]; return func == null ? undefined : apply(func, object, args); }
n/a
invokeMap = function (collection, path, args) { var index = -1, isFunc = typeof path == 'function', result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value) { result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args); }); return result; }
n/a
function baseIsArguments(value) { return isObjectLike(value) && baseGetTag(value) == argsTag; }
...
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
...
function isArray() { [native code] }
...
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
*
* _.isArray(squares.value());
* // => true
*/
function lodash(value) {
return value instanceof LodashWrapper
...
isArrayBuffer = function (value) { return func(value); }
n/a
function isArrayLike(value) { return value != null && isLength(value.length) && !isFunction(value); }
...
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is array-like, else `false`.
* @example
*
* _.isArrayLike([1, 2, 3]);
* // => true
*
* _.isArrayLike(document.body.children);
* // => true
*
* _.isArrayLike('abc');
* // => true
...
function isArrayLikeObject(value) { return isObjectLike(value) && isArrayLike(value); }
n/a
function isBoolean(value) { return value === true || value === false || (isObjectLike(value) && baseGetTag(value) == boolTag); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
* @example
*
* _.isBoolean(false);
* // => true
*
* _.isBoolean(null);
* // => false
*/
function isBoolean(value) {
return value === true || value === false ||
...
function isBuffer(b) { return b instanceof Buffer; }
n/a
isDate = function (value) { return func(value); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a date object, else `false`.
* @example
*
* _.isDate(new Date);
* // => true
*
* _.isDate('Mon April 23 2012');
* // => false
*/
var isDate = baseIsDate;
...
function isElement(value) { return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value); }
...
* @param {*} value The value to recursively clone.
* @param {Function} [customizer] The function to customize cloning.
* @returns {*} Returns the deep cloned value.
* @see _.cloneWith
* @example
*
* function customizer(value) {
* if (_.isElement(value)) {
* return value.cloneNode(true);
* }
* }
*
* var el = _.cloneDeepWith(document.body, customizer);
*
* console.log(el === document.body);
...
function isEmpty(value) { if (value == null) { return true; } if (isArrayLike(value) && (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || isBuffer(value) || isTypedArray(value) || isArguments(value))) { return !value.length; } var tag = getTag(value); if (tag == mapTag || tag == setTag) { return !value.size; } if (isPrototype(value)) { return !baseKeys(value).length; } for (var key in value) { if (hasOwnProperty.call(value, key)) { return false; } } return true; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is empty, else `false`.
* @example
*
* _.isEmpty(null);
* // => true
*
* _.isEmpty(true);
* // => true
*
* _.isEmpty(1);
* // => true
...
function isEqual(value, other) { return baseIsEqual(value, other); }
...
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.isEqual(object, other);
* // => true
*
* object === other;
* // => false
*/
function isEqual(value, other) {
return baseIsEqual(value, other);
...
function isEqualWith(value, other, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; var result = customizer ? customizer(value, other) : undefined; return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result; }
n/a
function isError(value) { if (!isObjectLike(value)) { return false; } var tag = baseGetTag(value); return tag == errorTag || tag == domExcTag || (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value)); }
...
* @example
*
* // Avoid throwing errors for invalid selectors.
* var elements = _.attempt(function(selector) {
* return document.querySelectorAll(selector);
* }, '>_>');
*
* if (_.isError(elements)) {
* elements = [];
* }
*/
var attempt = baseRest(function(func, args) {
try {
return apply(func, undefined, args);
} catch (e) {
...
function isFinite(value) { return typeof value == 'number' && nativeIsFinite(value); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
* @example
*
* _.isFinite(3);
* // => true
*
* _.isFinite(Number.MIN_VALUE);
* // => true
*
* _.isFinite(Infinity);
* // => false
...
function isFunction(value) { if (!isObject(value)) { return false; } // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 9 which returns 'object' for typed arrays and other constructors. var tag = baseGetTag(value); return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject(value)) {
...
function isInteger(value) { return typeof value == 'number' && value == toInteger(value); }
n/a
function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; }
...
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
* @example
*
* _.isLength(3);
* // => true
*
* _.isLength(Number.MIN_VALUE);
* // => false
*
* _.isLength(Infinity);
* // => false
...
isMap = function (value) { return func(value); }
n/a
function isMatch(object, source) { return object === source || baseIsMatch(object, source, getMatchData(source)); }
n/a
function isMatchWith(object, source, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseIsMatch(object, source, getMatchData(source), customizer); }
n/a
function isNaN(value) { // An `NaN` primitive is the only value that is not equal to itself. // Perform the `toStringTag` check first to avoid errors with some // ActiveX objects in IE. return isNumber(value) && value != +value; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
* @example
*
* _.isNaN(NaN);
* // => true
*
* _.isNaN(new Number(NaN));
* // => true
*
* isNaN(undefined);
* // => true
...
function isNative(value) { if (isMaskable(value)) { throw new Error(CORE_ERROR_TEXT); } return baseIsNative(value); }
n/a
function isNil(value) { return value == null; }
n/a
function isNull(value) { return value === null; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `null`, else `false`.
* @example
*
* _.isNull(null);
* // => true
*
* _.isNull(void 0);
* // => false
*/
function isNull(value) {
return value === null;
...
function isNumber(value) { return typeof value == 'number' || (isObjectLike(value) && baseGetTag(value) == numberTag); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a number, else `false`.
* @example
*
* _.isNumber(3);
* // => true
*
* _.isNumber(Number.MIN_VALUE);
* // => true
*
* _.isNumber(Infinity);
* // => true
...
function isObject(value) { var type = typeof value; return value != null && (type == 'object' || type == 'function'); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
...
function isObjectLike(value) { return value != null && typeof value == 'object'; }
...
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is object-like, else `false`.
* @example
*
* _.isObjectLike({});
* // => true
*
* _.isObjectLike([1, 2, 3]);
* // => true
*
* _.isObjectLike(_.noop);
* // => false
...
function isPlainObject(value) { if (!isObjectLike(value) || baseGetTag(value) != objectTag) { return false; } var proto = getPrototype(value); if (proto === null) { return true; } var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor; return typeof Ctor == 'function' && Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString; }
n/a
isRegExp = function (value) { return func(value); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
* @example
*
* _.isRegExp(/abc/);
* // => true
*
* _.isRegExp('/abc/');
* // => false
*/
var isRegExp = baseIsRegExp;
...
function isSafeInteger(value) { return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER; }
n/a
isSet = function (value) { return func(value); }
n/a
function isString(value) { return typeof value == 'string' || (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag); }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a string, else `false`.
* @example
*
* _.isString('abc');
* // => true
*
* _.isString(1);
* // => false
*/
function isString(value) {
return typeof value == 'string' ||
...
function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && baseGetTag(value) == symbolTag); }
n/a
isTypedArray = function (value) { return func(value); }
n/a
function isUndefined(value) { return value === undefined; }
...
* @param {...Object} sources The source objects.
* @param {Function} [customizer] The function to customize assigned values.
* @returns {Object} Returns `object`.
* @see _.assignWith
* @example
*
* function customizer(objValue, srcValue) {
* return _.isUndefined(objValue) ? srcValue : objValue;
* }
*
* var defaults = _.partialRight(_.assignInWith, customizer);
*
* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
...
function isWeakMap(value) { return isObjectLike(value) && getTag(value) == weakMapTag; }
n/a
function isWeakSet(value) { return isObjectLike(value) && baseGetTag(value) == weakSetTag; }
n/a
function iteratee(func) { return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG)); }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
* // The `_.matches` iteratee shorthand.
* _.filter(users, _.iteratee({ 'user': 'barney', 'active&apos
;: true }));
* // => [{ 'user': 'barney', 'age': 36, 'active': true }]
*
* // The `_.matchesProperty` iteratee shorthand.
* _.filter(users, _.iteratee(['user', 'fred']));
* // => [{ 'user': 'fred', 'age': 40 }]
*
* // The `_.property` iteratee shorthand.
...
function join(array, separator) { return array == null ? '' : nativeJoin.call(array, separator); }
...
: undefined;
var chr = strSymbols
? strSymbols[0]
: string.charAt(0);
var trailing = strSymbols
? castSlice(strSymbols, 1).join('')
: string.slice(1);
return chr[methodName]() + trailing;
};
}
module.exports = createCaseFirst;
...
kebabCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
n/a
keyBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, getIteratee(iteratee, 2), accumulator); }
n/a
function keys(object) { return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keys(new Foo);
* // => ['a', 'b'] (iteration order is not guaranteed)
*
* _.keys('hi');
* // => ['0', '1']
*/
var keys = nativeKeys;
...
function keysIn(object) { return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keysIn(new Foo);
* // => ['a', 'b', 'c'] (iteration order is not guaranteed)
*/
var keysIn = nativeKeysIn;
/**
* Creates an object composed of the picked `object` properties.
*
...
function last(array) { var length = array == null ? 0 : array.length; return length ? array[length - 1] : undefined; }
...
* console.log(array);
* // => [1, 2]
*
* wrapped = wrapped.commit();
* console.log(array);
* // => [1, 2, 3]
*
* wrapped.last();
* // => 3
*
* console.log(array);
* // => [1, 2, 3]
*/
function wrapperCommit() {
return new LodashWrapper(this.value(), this.__chain__);
...
function lastIndexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return value === value ? strictLastIndexOf(array, value, index) : baseFindIndex(array, baseIsNaN, index, true); }
n/a
lowerCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
n/a
lowerFirst = function (string) { string = toString(string); var strSymbols = hasUnicode(string) ? stringToArray(string) : undefined; var chr = strSymbols ? strSymbols[0] : string.charAt(0); var trailing = strSymbols ? castSlice(strSymbols, 1).join('') : string.slice(1); return chr[methodName]() + trailing; }
n/a
lt = function (value, other) { if (!(typeof value == 'string' && typeof other == 'string')) { value = toNumber(value); other = toNumber(other); } return operator(value, other); }
n/a
lte = function (value, other) { if (!(typeof value == 'string' && typeof other == 'string')) { value = toNumber(value); other = toNumber(other); } return operator(value, other); }
n/a
function map(collection, iteratee) { var func = isArray(collection) ? arrayMap : baseMap; return func(collection, getIteratee(iteratee, 3)); }
...
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
...
function mapKeys(object, iteratee) { var result = {}; iteratee = getIteratee(iteratee, 3); baseForOwn(object, function(value, key, object) { baseAssignValue(result, iteratee(value, key, object), value); }); return result; }
n/a
function mapValues(object, iteratee) { var result = {}; iteratee = getIteratee(iteratee, 3); baseForOwn(object, function(value, key, object) { baseAssignValue(result, key, iteratee(value, key, object)); }); return result; }
n/a
function matches(source) { return baseMatches(baseClone(source, CLONE_DEEP_FLAG)); }
...
* @since 4.0.0
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
*
...
function matchesProperty(path, srcValue) { return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG)); }
n/a
function max(array) { return (array && array.length) ? baseExtremum(array, identity, baseGt) : undefined; }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the maximum value.
* @example
*
* _.max([4, 2, 8, 6]);
* // => 8
*
* _.max([]);
* // => undefined
*/
function max(array) {
return (array && array.length)
...
function maxBy(array, iteratee) { return (array && array.length) ? baseExtremum(array, getIteratee(iteratee, 2), baseGt) : undefined; }
n/a
function mean(array) { return baseMean(array, identity); }
n/a
function meanBy(array, iteratee) { return baseMean(array, getIteratee(iteratee, 2)); }
n/a
function memoize(func, resolver) { if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) { throw new TypeError(FUNC_ERROR_TEXT); } var memoized = function() { var args = arguments, key = resolver ? resolver.apply(this, args) : args[0], cache = memoized.cache; if (cache.has(key)) { return cache.get(key); } var result = func.apply(this, args); memoized.cache = cache.set(key, result) || cache; return result; }; memoized.cache = new (memoize.Cache || MapCache); return memoized; }
n/a
function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } }
n/a
merge = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
mergeWith = function (object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }
n/a
method = function (path, args) { return function(object) { return baseInvoke(object, path, args); }; }
n/a
methodOf = function (object, args) { return function(path) { return baseInvoke(object, path, args); }; }
n/a
function min(array) { return (array && array.length) ? baseExtremum(array, identity, baseLt) : undefined; }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the minimum value.
* @example
*
* _.min([4, 2, 8, 6]);
* // => 2
*
* _.min([]);
* // => undefined
*/
function min(array) {
return (array && array.length)
...
function minBy(array, iteratee) { return (array && array.length) ? baseExtremum(array, getIteratee(iteratee, 2), baseLt) : undefined; }
n/a
function mixin(object, source, options) { var props = keys(source), methodNames = baseFunctions(source, props); if (options == null && !(isObject(source) && (methodNames.length || !props.length))) { options = source; source = object; object = this; methodNames = baseFunctions(source, keys(source)); } var chain = !(isObject(options) && 'chain' in options) || !!options.chain, isFunc = isFunction(object); arrayEach(methodNames, function(methodName) { var func = source[methodName]; object[methodName] = func; if (isFunc) { object.prototype[methodName] = function() { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }; } }); return object; }
...
*
* function vowels(string) {
* return _.filter(string, function(v) {
* return /[aeiou]/i.test(v);
* });
* }
*
* _.mixin({ 'vowels': vowels });
* _.vowels('fred');
* // => ['e']
*
* _('fred').vowels().value();
* // => ['e']
*
* _.mixin({ 'vowels': vowels }, { 'chain': false });
...
multiply = function (value, other) { var result; if (value === undefined && other === undefined) { return defaultValue; } if (value !== undefined) { result = value; } if (other !== undefined) { if (result === undefined) { return other; } if (typeof value == 'string' || typeof other == 'string') { value = baseToString(value); other = baseToString(other); } else { value = baseToNumber(value); other = baseToNumber(other); } result = operator(value, other); } return result; }
n/a
function negate(predicate) { if (typeof predicate != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } return function() { var args = arguments; switch (args.length) { case 0: return !predicate.call(this); case 1: return !predicate.call(this, args[0]); case 2: return !predicate.call(this, args[0], args[1]); case 3: return !predicate.call(this, args[0], args[1], args[2]); } return !predicate.apply(this, args); }; }
...
* @returns {Function} Returns the new negated function.
* @example
*
* function isEven(n) {
* return n % 2 == 0;
* }
*
* _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
* // => [1, 3, 5]
*/
function negate(predicate) {
if (typeof predicate != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return function() {
...
function noConflict() { if (root._ === this) { root._ = oldDash; } return this; }
...
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @returns {Function} Returns the `lodash` function.
* @example
*
* var lodash = _.noConflict();
*/
function noConflict() {
if (root._ === this) {
root._ = oldDash;
}
return this;
}
...
function noop() { // No operation performed. }
n/a
now = function () { return root.Date.now(); }
n/a
function nth(array, n) { return (array && array.length) ? baseNth(array, toInteger(n)) : undefined; }
n/a
function nthArg(n) { n = toInteger(n); return baseRest(function(args) { return baseNth(args, n); }); }
n/a
omit = function (object, paths) { var result = {}; if (object == null) { return result; } var isDeep = false; paths = arrayMap(paths, function(path) { path = castPath(path, object); isDeep || (isDeep = path.length > 1); return path; }); copyObject(object, getAllKeysIn(object), result); if (isDeep) { result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone); } var length = paths.length; while (length--) { baseUnset(result, paths[length]); } return result; }
n/a
function omitBy(object, predicate) { return pickBy(object, negate(getIteratee(predicate))); }
n/a
function once(func) { return before(2, func); }
...
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var initialize = _.once(createApplication);
* initialize();
* initialize();
* // => `createApplication` is invoked once
*/
function once(func) {
return before(2, func);
}
...
function orderBy(collection, iteratees, orders, guard) { if (collection == null) { return []; } if (!isArray(iteratees)) { iteratees = iteratees == null ? [] : [iteratees]; } orders = guard ? undefined : orders; if (!isArray(orders)) { orders = orders == null ? [] : [orders]; } return baseOrderBy(collection, iteratees, orders); }
n/a
over = function (iteratees) { iteratees = arrayMap(iteratees, baseUnary(getIteratee())); return baseRest(function(args) { var thisArg = this; return arrayFunc(iteratees, function(iteratee) { return apply(iteratee, thisArg, args); }); }); }
n/a
overArgs = function (func, transforms) { transforms = (transforms.length == 1 && isArray(transforms[0])) ? arrayMap(transforms[0], baseUnary(getIteratee())) : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee())); var funcsLength = transforms.length; return baseRest(function(args) { var index = -1, length = nativeMin(args.length, funcsLength); while (++index < length) { args[index] = transforms[index].call(this, args[index]); } return apply(func, this, args); }); }
n/a
overEvery = function (iteratees) { iteratees = arrayMap(iteratees, baseUnary(getIteratee())); return baseRest(function(args) { var thisArg = this; return arrayFunc(iteratees, function(iteratee) { return apply(iteratee, thisArg, args); }); }); }
n/a
overSome = function (iteratees) { iteratees = arrayMap(iteratees, baseUnary(getIteratee())); return baseRest(function(args) { var thisArg = this; return arrayFunc(iteratees, function(iteratee) { return apply(iteratee, thisArg, args); }); }); }
n/a
function pad(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; if (!length || strLength >= length) { return string; } var mid = (length - strLength) / 2; return ( createPadding(nativeFloor(mid), chars) + string + createPadding(nativeCeil(mid), chars) ); }
n/a
function padEnd(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; return (length && strLength < length) ? (string + createPadding(length - strLength, chars)) : string; }
n/a
function padStart(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; return (length && strLength < length) ? (createPadding(length - strLength, chars) + string) : string; }
n/a
function parseInt(string, radix, guard) { if (guard || radix == null) { radix = 0; } else if (radix) { radix = +radix; } return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0); }
n/a
partial = function (func, partials) { var holders = replaceHolders(partials, getHolder(partial)); return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders); }
n/a
partialRight = function (func, partials) { var holders = replaceHolders(partials, getHolder(partialRight)); return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders); }
...
* @see _.assignWith
* @example
*
* function customizer(objValue, srcValue) {
* return _.isUndefined(objValue) ? srcValue : objValue;
* }
*
* var defaults = _.partialRight(_.assignInWith, customizer);
*
* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
copyObject(source, keysIn(source), object, customizer);
});
...
partition = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, getIteratee(iteratee, 2), accumulator); }
n/a
pick = function (object, paths) { return object == null ? {} : basePick(object, paths); }
...
* _(users).head();
* // => { 'user': 'barney', 'age': 36 }
*
* // A sequence with explicit chaining.
* _(users)
* .chain()
* .head()
* .pick('user')
* .value();
* // => { 'user': 'barney' }
*/
function wrapperChain() {
return chain(this);
}
...
function pickBy(object, predicate) { if (object == null) { return {}; } var props = arrayMap(getAllKeysIn(object), function(prop) { return [prop]; }); predicate = getIteratee(predicate); return basePickBy(object, props, function(value, path) { return predicate(value, path[0]); }); }
n/a
function property(path) { return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path); }
n/a
function propertyOf(object) { return function(path) { return object == null ? undefined : baseGet(object, path); }; }
n/a
function pullAll(array, values) { return (array && array.length && values && values.length) ? basePullAll(array, values) : array; }
n/a
function pullAll(array, values) { return (array && array.length && values && values.length) ? basePullAll(array, values) : array; }
n/a
function pullAllBy(array, values, iteratee) { return (array && array.length && values && values.length) ? basePullAll(array, values, getIteratee(iteratee, 2)) : array; }
n/a
function pullAllWith(array, values, comparator) { return (array && array.length && values && values.length) ? basePullAll(array, values, undefined, comparator) : array; }
n/a
pullAt = function (array, indexes) { var length = array == null ? 0 : array.length, result = baseAt(array, indexes); basePullAt(array, arrayMap(indexes, function(index) { return isIndex(index, length) ? +index : index; }).sort(compareAscending)); return result; }
n/a
function random(lower, upper, floating) { if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) { upper = floating = undefined; } if (floating === undefined) { if (typeof upper == 'boolean') { floating = upper; upper = undefined; } else if (typeof lower == 'boolean') { floating = lower; lower = undefined; } } if (lower === undefined && upper === undefined) { lower = 0; upper = 1; } else { lower = toFinite(lower); if (upper === undefined) { upper = lower; lower = 0; } else { upper = toFinite(upper); } } if (lower > upper) { var temp = lower; lower = upper; upper = temp; } if (floating || lower % 1 || upper % 1) { var rand = nativeRandom(); return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper); } return baseRandom(lower, upper); }
n/a
range = function (start, end, step) { if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { end = step = undefined; } // Ensure the sign of `-0` is preserved. start = toFinite(start); if (end === undefined) { end = start; start = 0; } else { end = toFinite(end); } step = step === undefined ? (start < end ? 1 : -1) : toFinite(step); return baseRange(start, end, step, fromRight); }
n/a
rangeRight = function (start, end, step) { if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { end = step = undefined; } // Ensure the sign of `-0` is preserved. start = toFinite(start); if (end === undefined) { end = start; start = 0; } else { end = toFinite(end); } step = step === undefined ? (start < end ? 1 : -1) : toFinite(step); return baseRange(start, end, step, fromRight); }
n/a
rearg = function (func, indexes) { return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes); }
n/a
function reduce(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduce : baseReduce, initAccum = arguments.length < 3; return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach); }
...
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2, 3]);
*
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
...
function reduceRight(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduceRight : baseReduce, initAccum = arguments.length < 3; return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight); }
n/a
function reject(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, negate(getIteratee(predicate, 3))); }
n/a
function remove(array, predicate) { var result = []; if (!(array && array.length)) { return result; } var index = -1, indexes = [], length = array.length; predicate = getIteratee(predicate, 3); while (++index < length) { var value = array[index]; if (predicate(value, index, array)) { result.push(value); indexes.push(index); } } basePullAt(array, indexes); return result; }
n/a
function repeat(string, n, guard) { if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) { n = 1; } else { n = toInteger(n); } return baseRepeat(toString(string), n); }
n/a
function replace() { var args = arguments, string = toString(args[0]); return args.length < 3 ? string : string.replace(args[1], args[2]); }
...
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
...
function rest(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = start === undefined ? start : toInteger(start); return baseRest(func, start); }
n/a
function result(object, path, defaultValue) { path = castPath(path, object); var index = -1, length = path.length; // Ensure the loop is entered when path is empty. if (!length) { length = 1; object = undefined; } while (++index < length) { var value = object == null ? undefined : object[toKey(path[index])]; if (value === undefined) { index = length; value = defaultValue; } object = isFunction(value) ? value.call(object) : value; } return object; }
...
* @param {Array|string} path The path of the property to resolve.
* @param {*} [defaultValue] The value returned for `undefined` resolved values.
* @returns {*} Returns the resolved value.
* @example
*
* var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
*
* _.result(object, 'a[0].b.c1');
* // => 3
*
* _.result(object, 'a[0].b.c2');
* // => 4
*
* _.result(object, 'a[0].b.c3', 'default');
* // => 'default'
...
function reverse(array) { return array == null ? array : nativeReverse.call(array); }
...
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
function tap(value, interceptor) {
interceptor(value);
return value;
}
...
round = function (number, precision) { number = toNumber(number); precision = precision == null ? 0 : nativeMin(toInteger(precision), 292); if (precision) { // Shift with exponential notation to avoid floating-point issues. // See [MDN](https://mdn.io/round#Examples) for more details. var pair = (toString(number) + 'e').split('e'), value = func(pair[0] + 'e' + (+pair[1] + precision)); pair = (toString(value) + 'e').split('e'); return +(pair[0] + 'e' + (+pair[1] - precision)); } return func(number); }
n/a
function runInContext(context) {
context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
/** Built-in constructor references. */
var Array = context.Array,
Date = context.Date,
Error = context.Error,
Function = context.Function,
Math = context.Math,
Object = context.Object,
RegExp = context.RegExp,
String = context.String,
TypeError = context.TypeError;
/** Used for built-in method references. */
var arrayProto = Array.prototype,
funcProto = Function.prototype,
objectProto = Object.prototype;
/** Used to detect overreaching core-js shims. */
var coreJsData = context['__core-js_shared__'];
/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to generate unique IDs. */
var idCounter = 0;
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
return uid ? ('Symbol(src)_1.' + uid) : '';
}());
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString = objectProto.toString;
/** Used to infer the `Object` constructor. */
var objectCtorString = funcToString.call(Object);
/** Used to restore the original `_` reference in `_.noConflict`. */
var oldDash = root._;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/** Built-in value references. */
var Buffer = moduleExports ? context.Buffer : undefined,
Symbol = context.Symbol,
Uint8Array = context.Uint8Array,
allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
getPrototype = overArg(Object.getPrototypeOf, Object),
objectCreate = Object.create,
propertyIsEnumerable = objectProto.propertyIsEnumerable,
splice = arrayProto.splice,
spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
symIterator = Symbol ? Symbol.iterator : undefined,
symToStringTag = Symbol ? Symbol.toStringTag : undefined;
var defineProperty = (function() {
try {
var func = getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
/** Mocked built-ins. */
var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
ctxNow = Date && Date.now !== root.Date.now && Date.now,
ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeCeil = Math.ceil,
nativeFloor = Math.floor,
nativeGetSymbols = Object.getOwnPropertySymbols,
nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
nativeIsFinite = context.isFinite,
nativeJoin = arrayProto.join,
nativeKeys = overArg(Object.keys, Object),
nativeMax = Math.max,
nativeMin = Math.min,
nativeNow = Date.now,
nativeParseInt = context.parseInt,
nativeRandom = Math.random,
nativeReverse = arrayProto.reverse;
/* Built-in method references that are verified to be native. */
var DataView = getNative(context, 'DataView'),
Map = getNative(context, 'Map'),
Promise = getNative(context, 'Promise'),
Set = getNative(context, 'Set'),
WeakMap = getNative(context, 'WeakMap'),
nativeCreate = getNative(Object, 'cr...
n/a
function sample(collection) { var func = isArray(collection) ? arraySample : baseSample; return func(collection); }
n/a
function sampleSize(collection, n, guard) { if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) { n = 1; } else { n = toInteger(n); } var func = isArray(collection) ? arraySampleSize : baseSampleSize; return func(collection, n); }
n/a
function set(object, path, value) { return object == null ? object : baseSet(object, path, value); }
...
}
// Check for circular references and return its corresponding clone.
stack || (stack = new Stack);
var stacked = stack.get(value);
if (stacked) {
return stacked;
}
stack.set(value, result);
if (isSet(value)) {
value.forEach(function(subValue) {
result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
});
return result;
...
function setWith(object, path, value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return object == null ? object : baseSet(object, path, value, customizer); }
n/a
function shuffle(collection) { var func = isArray(collection) ? arrayShuffle : baseShuffle; return func(collection); }
n/a
function size(collection) { if (collection == null) { return 0; } if (isArrayLike(collection)) { return isString(collection) ? stringSize(collection) : collection.length; } var tag = getTag(collection); if (tag == mapTag || tag == setTag) { return collection.size; } return baseKeys(collection).length; }
...
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @returns {number} Returns the collection size.
* @example
*
* _.size([1, 2, 3]);
* // => 3
*
* _.size({ 'a': 1, 'b': 2 });
* // => 2
*
* _.size('pebbles');
* // => 7
...
function slice(array, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (end && typeof end != 'number' && isIterateeCall(array, start, end)) { start = 0; end = length; } else { start = start == null ? 0 : toInteger(start); end = end === undefined ? length : toInteger(end); } return baseSlice(array, start, end); }
...
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
...
snakeCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
n/a
function some(collection, predicate, guard) { var func = isArray(collection) ? arraySome : baseSome; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, getIteratee(predicate, 3)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false }
* ];
*
...
sortBy = function (collection, iteratees) { if (collection == null) { return []; } var length = iteratees.length; if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) { iteratees = []; } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) { iteratees = [iteratees[0]]; } return baseOrderBy(collection, baseFlatten(iteratees, 1), []); }
...
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
...
function sortedIndex(array, value) { return baseSortedIndex(array, value); }
n/a
function sortedIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, getIteratee(iteratee, 2)); }
n/a
function sortedIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value); if (index < length && eq(array[index], value)) { return index; } } return -1; }
n/a
function sortedLastIndex(array, value) { return baseSortedIndex(array, value, true); }
n/a
function sortedLastIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true); }
n/a
function sortedLastIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value, true) - 1; if (eq(array[index], value)) { return index; } } return -1; }
n/a
function sortedUniq(array) { return (array && array.length) ? baseSortedUniq(array) : []; }
n/a
function sortedUniqBy(array, iteratee) { return (array && array.length) ? baseSortedUniq(array, getIteratee(iteratee, 2)) : []; }
n/a
function split(string, separator, limit) { if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) { separator = limit = undefined; } limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0; if (!limit) { return []; } string = toString(string); if (string && ( typeof separator == 'string' || (separator != null && !isRegExp(separator)) )) { separator = baseToString(separator); if (!separator && hasUnicode(string)) { return castSlice(stringToArray(string), 0, limit); } } return string.split(separator, limit); }
...
* Converts an ASCII `string` to an array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the converted array.
*/
function asciiToArray(string) {
return string.split('');
}
module.exports = asciiToArray;
...
function spread(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = start == null ? 0 : nativeMax(toInteger(start), 0); return baseRest(function(args) { var array = args[start], otherArgs = castSlice(args, 0, start); if (array) { arrayPush(otherArgs, array); } return apply(func, this, otherArgs); }); }
n/a
startCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
n/a
function startsWith(string, target, position) { string = toString(string); position = position == null ? 0 : baseClamp(toInteger(position), 0, string.length); target = baseToString(target); return string.slice(position, position + target.length) == target; }
n/a
function stubArray() { return []; }
n/a
function stubFalse() { return false; }
n/a
function stubObject() { return {}; }
n/a
function stubString() { return ''; }
n/a
function stubTrue() { return true; }
n/a
subtract = function (value, other) { var result; if (value === undefined && other === undefined) { return defaultValue; } if (value !== undefined) { result = value; } if (other !== undefined) { if (result === undefined) { return other; } if (typeof value == 'string' || typeof other == 'string') { value = baseToString(value); other = baseToString(other); } else { value = baseToNumber(value); other = baseToNumber(other); } result = operator(value, other); } return result; }
n/a
function sum(array) { return (array && array.length) ? baseSum(array, identity) : 0; }
n/a
function sumBy(array, iteratee) { return (array && array.length) ? baseSum(array, getIteratee(iteratee, 2)) : 0; }
n/a
function tail(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 1, length) : []; }
n/a
function take(array, n, guard) { if (!(array && array.length)) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, 0, n < 0 ? 0 : n); }
n/a
function takeRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, n < 0 ? 0 : n, length); }
n/a
function takeRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), false, true) : []; }
n/a
function takeWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3)) : []; }
n/a
function tap(value, interceptor) { interceptor(value); return value; }
...
* @category Seq
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns `value`.
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
...
function template(string, options, guard) { // Based on John Resig's `tmpl` implementation // (http://ejohn.org/blog/javascript-micro-templating/) // and Laura Doktorova's doT.js (https://github.com/olado/doT). var settings = lodash.templateSettings; if (guard && isIterateeCall(string, options, guard)) { options = undefined; } string = toString(string); options = assignInWith({}, options, settings, customDefaultsAssignIn); var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn), importsKeys = keys(imports), importsValues = baseValues(imports, importsKeys); var isEscaping, isEvaluating, index = 0, interpolate = options.interpolate || reNoMatch, source = "__p += '"; // Compile the regexp to match each delimiter. var reDelimiters = RegExp( (options.escape || reNoMatch).source + '|' + interpolate.source + '|' + (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' + (options.evaluate || reNoMatch).source + '|$' , 'g'); // Use a sourceURL for easier debugging. var sourceURL = '//# sourceURL=' + ('sourceURL' in options ? options.sourceURL : ('lodash.templateSources[' + (++templateCounter) + ']') ) + '\n'; string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) { interpolateValue || (interpolateValue = esTemplateValue); // Escape characters that can't be included in string literals. source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar); // Replace delimiters with snippets. if (escapeValue) { isEscaping = true; source += "' +\n__e(" + escapeValue + ") +\n'"; } if (evaluateValue) { isEvaluating = true; source += "';\n" + evaluateValue + ";\n__p += '"; } if (interpolateValue) { source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'"; } index = offset + match.length; // The JS engine embedded in Adobe products needs `match` returned in // order to produce the correct `offset` value. return match; }); source += "';\n"; // If `variable` is not specified wrap a with-statement around the generated // code to add the data object to the top of the scope chain. var variable = options.variable; if (!variable) { source = 'with (obj) {\n' + source + '\n}\n'; } // Cleanup code by stripping empty strings. source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source) .replace(reEmptyStringMiddle, '$1') .replace(reEmptyStringTrailing, '$1;'); // Frame code as the function body. source = 'function(' + (variable || 'obj') + ') {\n' + (variable ? '' : 'obj || (obj = {});\n' ) + "var __t, __p = ''" + (isEscaping ? ', __e = _.escape' : '' ) + (isEvaluating ? ', __j = Array.prototype.join;\n' + "function print() { __p += __j.call(arguments, '') }\n" : ';\n' ) + source + 'return __p\n}'; var result = attempt(function() { return Function(importsKeys, sourceURL + 'return ' + source) .apply(undefined, importsValues); }); // Provide the compiled function's source by its `toString` method or // the `source` property as a convenience for inlining compiled templates. result.source = source; if (isError(result)) { throw result; } return result; }
n/a
function throttle(func, wait, options) { var leading = true, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (isObject(options)) { leading = 'leading' in options ? !!options.leading : leading; trailing = 'trailing' in options ? !!options.trailing : trailing; } return debounce(func, wait, { 'leading': leading, 'maxWait': wait, 'trailing': trailing }); }
n/a
function thru(value, interceptor) { return interceptor(value); }
...
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns the result of `interceptor`.
* @example
*
* _(' abc ')
* .chain()
* .trim()
* .thru(function(value) {
* return [value];
* })
* .value();
* // => ['abc']
*/
function thru(value, interceptor) {
return interceptor(value);
...
function times(n, iteratee) { n = toInteger(n); if (n < 1 || n > MAX_SAFE_INTEGER) { return []; } var index = MAX_ARRAY_LENGTH, length = nativeMin(n, MAX_ARRAY_LENGTH); iteratee = getIteratee(iteratee); n -= MAX_ARRAY_LENGTH; var result = baseTimes(length, iteratee); while (++index < n) { iteratee(index); } return result; }
...
* @memberOf _
* @since 2.4.0
* @category Util
* @param {*} value The value to return from the new function.
* @returns {Function} Returns the new constant function.
* @example
*
* var objects = _.times(2, _.constant({ 'a': 1 }));
*
* console.log(objects);
* // => [{ 'a': 1 }, { 'a': 1 }]
*
* console.log(objects[0] === objects[1]);
* // => true
*/
...
function toArray(value) { if (!value) { return []; } if (isArrayLike(value)) { return isString(value) ? stringToArray(value) : copyArray(value); } if (symIterator && value[symIterator]) { return iteratorToArray(value[symIterator]()); } var tag = getTag(value), func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values); return func(value); }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to convert.
* @returns {Array} Returns the converted array.
* @example
*
* _.toArray({ 'a': 1, 'b': 2 });
* // => [1, 2]
*
* _.toArray('abc');
* // => ['a', 'b', 'c']
*
* _.toArray(1);
* // => []
...
function toFinite(value) { if (!value) { return value === 0 ? value : 0; } value = toNumber(value); if (value === INFINITY || value === -INFINITY) { var sign = (value < 0 ? -1 : 1); return sign * MAX_INTEGER; } return value === value ? value : 0; }
n/a
function toInteger(value) { var result = toFinite(value), remainder = result % 1; return result === result ? (remainder ? result - remainder : result) : 0; }
...
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to convert.
* @returns {number} Returns the converted integer.
* @example
*
* _.toInteger(3.2);
* // => 3
*
* _.toInteger(Number.MIN_VALUE);
* // => 0
*
* _.toInteger(Infinity);
* // => 1.7976931348623157e+308
...
function toLength(value) { return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0; }
n/a
function toLower(value) { return toString(value).toLowerCase(); }
n/a
function toNumber(value) { if (typeof value == 'number') { return value; } if (isSymbol(value)) { return NAN; } if (isObject(value)) { var other = typeof value.valueOf == 'function' ? value.valueOf() : value; value = isObject(other) ? (other + '') : other; } if (typeof value != 'string') { return value === 0 ? value : +value; } value = value.replace(reTrim, ''); var isBinary = reIsBinary.test(value); return (isBinary || reIsOctal.test(value)) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : (reIsBadHex.test(value) ? NAN : +value); }
...
* @memberOf _
* @since 4.0.0
* @category Lang
* @param {*} value The value to process.
* @returns {number} Returns the number.
* @example
*
* _.toNumber(3.2);
* // => 3.2
*
* _.toNumber(Number.MIN_VALUE);
* // => 5e-324
*
* _.toNumber(Infinity);
* // => Infinity
...
toPairs = function (object) { var tag = getTag(object); if (tag == mapTag) { return mapToArray(object); } if (tag == setTag) { return setToPairs(object); } return baseToPairs(object, keysFunc(object)); }
n/a
toPairsIn = function (object) { var tag = getTag(object); if (tag == mapTag) { return mapToArray(object); } if (tag == setTag) { return setToPairs(object); } return baseToPairs(object, keysFunc(object)); }
n/a
function toPath(value) { if (isArray(value)) { return arrayMap(value, toKey); } return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value))); }
n/a
function toPlainObject(value) { return copyObject(value, keysIn(value)); }
n/a
function toSafeInteger(value) { return value ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) : (value === 0 ? value : 0); }
n/a
function toUpper(value) { return toString(value).toUpperCase(); }
n/a
function transform(object, iteratee, accumulator) { var isArr = isArray(object), isArrLike = isArr || isBuffer(object) || isTypedArray(object); iteratee = getIteratee(iteratee, 4); if (accumulator == null) { var Ctor = object && object.constructor; if (isArrLike) { accumulator = isArr ? new Ctor : []; } else if (isObject(object)) { accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {}; } else { accumulator = {}; } } (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) { return iteratee(accumulator, value, index, object); }); return accumulator; }
n/a
function trim(string, chars, guard) { string = toString(string); if (string && (guard || chars === undefined)) { return string.replace(reTrim, ''); } if (!string || !(chars = baseToString(chars))) { return string; } var strSymbols = stringToArray(string), chrSymbols = stringToArray(chars), start = charsStartIndex(strSymbols, chrSymbols), end = charsEndIndex(strSymbols, chrSymbols) + 1; return castSlice(strSymbols, start, end).join(''); }
...
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns the result of `interceptor`.
* @example
*
* _(' abc ')
* .chain()
* .trim()
* .thru(function(value) {
* return [value];
* })
* .value();
* // => ['abc']
*/
function thru(value, interceptor) {
...
function trimEnd(string, chars, guard) { string = toString(string); if (string && (guard || chars === undefined)) { return string.replace(reTrimEnd, ''); } if (!string || !(chars = baseToString(chars))) { return string; } var strSymbols = stringToArray(string), end = charsEndIndex(strSymbols, stringToArray(chars)) + 1; return castSlice(strSymbols, 0, end).join(''); }
n/a
function trimStart(string, chars, guard) { string = toString(string); if (string && (guard || chars === undefined)) { return string.replace(reTrimStart, ''); } if (!string || !(chars = baseToString(chars))) { return string; } var strSymbols = stringToArray(string), start = charsStartIndex(strSymbols, stringToArray(chars)); return castSlice(strSymbols, start).join(''); }
n/a
function truncate(string, options) { var length = DEFAULT_TRUNC_LENGTH, omission = DEFAULT_TRUNC_OMISSION; if (isObject(options)) { var separator = 'separator' in options ? options.separator : separator; length = 'length' in options ? toInteger(options.length) : length; omission = 'omission' in options ? baseToString(options.omission) : omission; } string = toString(string); var strLength = string.length; if (hasUnicode(string)) { var strSymbols = stringToArray(string); strLength = strSymbols.length; } if (length >= strLength) { return string; } var end = length - stringSize(omission); if (end < 1) { return omission; } var result = strSymbols ? castSlice(strSymbols, 0, end).join('') : string.slice(0, end); if (separator === undefined) { return result + omission; } if (strSymbols) { end += (result.length - end); } if (isRegExp(separator)) { if (string.slice(end).search(separator)) { var match, substring = result; if (!separator.global) { separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g'); } separator.lastIndex = 0; while ((match = separator.exec(substring))) { var newEnd = match.index; } result = result.slice(0, newEnd === undefined ? end : newEnd); } } else if (string.indexOf(baseToString(separator), end) != end) { var index = result.lastIndexOf(separator); if (index > -1) { result = result.slice(0, index); } } return result + omission; }
n/a
function unary(func) { return ary(func, 1); }
n/a
function unescape(string) { string = toString(string); return (string && reHasEscapedHtml.test(string)) ? string.replace(reEscapedHtml, unescapeHtmlChar) : string; }
n/a
union = function (arrays) { return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); }
n/a
unionBy = function (arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)); }
n/a
unionWith = function (arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator); }
n/a
function uniq(array) { return (array && array.length) ? baseUniq(array) : []; }
n/a
function uniqBy(array, iteratee) { return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : []; }
n/a
function uniqWith(array, comparator) { comparator = typeof comparator == 'function' ? comparator : undefined; return (array && array.length) ? baseUniq(array, undefined, comparator) : []; }
n/a
function uniqueId(prefix) { var id = ++idCounter; return toString(prefix) + id; }
...
* @since 0.1.0
* @memberOf _
* @category Util
* @param {string} [prefix=''] The value to prefix the ID with.
* @returns {string} Returns the unique ID.
* @example
*
* _.uniqueId('contact_');
* // => 'contact_104'
*
* _.uniqueId();
* // => '105'
*/
function uniqueId(prefix) {
var id = ++idCounter;
...
function unset(object, path) { return object == null ? true : baseUnset(object, path); }
n/a
function unzip(array) { if (!(array && array.length)) { return []; } var length = 0; array = arrayFilter(array, function(group) { if (isArrayLikeObject(group)) { length = nativeMax(group.length, length); return true; } }); return baseTimes(length, function(index) { return arrayMap(array, baseProperty(index)); }); }
n/a
function unzipWith(array, iteratee) { if (!(array && array.length)) { return []; } var result = unzip(array); if (iteratee == null) { return result; } return arrayMap(result, function(group) { return apply(iteratee, undefined, group); }); }
n/a
function update(object, path, updater) { return object == null ? object : baseUpdate(object, path, castFunction(updater)); }
n/a
function updateWith(object, path, updater, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer); }
n/a
upperCase = function (string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }
n/a
upperFirst = function (string) { string = toString(string); var strSymbols = hasUnicode(string) ? stringToArray(string) : undefined; var chr = strSymbols ? strSymbols[0] : string.charAt(0); var trailing = strSymbols ? castSlice(strSymbols, 1).join('') : string.slice(1); return chr[methodName]() + trailing; }
n/a
function values(object) { return object == null ? [] : baseValues(object, keys(object)); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.values(new Foo);
* // => [1, 2] (iteration order is not guaranteed)
*
* _.values('hi');
* // => ['h', 'i']
*/
function values(object) {
return object == null ? [] : baseValues(object, keys(object));
...
function valuesIn(object) { return object == null ? [] : baseValues(object, keysIn(object)); }
n/a
without = function (array, values) { return isArrayLikeObject(array) ? baseDifference(array, values) : []; }
n/a
function words(string, pattern, guard) { string = toString(string); pattern = guard ? undefined : pattern; if (pattern === undefined) { return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string); } return string.match(pattern) || []; }
n/a
function wrap(value, wrapper) { return partial(castFunction(wrapper), value); }
...
* // => [{ 'user': 'fred', 'age': 40 }]
*
* // The `_.property` iteratee shorthand.
* _.map(users, _.iteratee('user'));
* // => ['barney', 'fred']
*
* // Create custom iteratee shorthands.
* _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
* return !_.isRegExp(func) ? iteratee(func) : function(string) {
* return func.test(string);
* };
* });
*
* _.filter(['abc', 'def'], /ef/);
* // => ['def']
...
xor = function (arrays) { return baseXor(arrayFilter(arrays, isArrayLikeObject)); }
n/a
xorBy = function (arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2)); }
n/a
xorWith = function (arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator); }
n/a
function unzip(array) { if (!(array && array.length)) { return []; } var length = 0; array = arrayFilter(array, function(group) { if (isArrayLikeObject(group)) { length = nativeMax(group.length, length); return true; } }); return baseTimes(length, function(index) { return arrayMap(array, baseProperty(index)); }); }
n/a
function zipObject(props, values) { return baseZipObject(props || [], values || [], assignValue); }
n/a
function zipObjectDeep(props, values) { return baseZipObject(props || [], values || [], baseSet); }
n/a
zipWith = function (arrays) { var length = arrays.length, iteratee = length > 1 ? arrays[length - 1] : undefined; iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined; return unzipWith(arrays, iteratee); }
n/a
all = function () {
/* [wrapped with _.curry] */
var length = arguments.length;
if (!length) {
return func();
}
var args = Array(length);
while (length--) {
args[length] = arguments[length];
}
var index = config.rearg ? 0 : (length - 1);
args[index] = transform(args[index]);
return func.apply(undefined, args);
}
n/a
convert = function (options) { var newUtil = isLib ? pristine : helpers, newFunc = isLib ? pristine[methodName] : func, newOptions = assign(assign({}, oldOptions), options); return baseConvert(newUtil, realName, newFunc, newOptions); }
n/a
function chunk(array, size, guard) { if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) { size = 1; } else { size = nativeMax(toInteger(size), 0); } var length = array == null ? 0 : array.length; if (!length || size < 1) { return []; } var index = 0, resIndex = 0, result = Array(nativeCeil(length / size)); while (index < length) { result[resIndex++] = baseSlice(array, index, (index += size)); } return result; }
...
* @category Array
* @param {Array} array The array to process.
* @param {number} [size=1] The length of each chunk
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the new array of chunks.
* @example
*
* _.chunk(['a', 'b', 'c', 'd'], 2);
* // => [['a', 'b'], ['c', 'd']]
*
* _.chunk(['a', 'b', 'c', 'd'], 3);
* // => [['a', 'b', 'c'], ['d']]
*/
function chunk(array, size, guard) {
if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
...
function compact(array) { var index = -1, length = array == null ? 0 : array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (value) { result[resIndex++] = value; } } return result; }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to compact.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.compact([0, 1, false, 2, '', 3]);
* // => [1, 2, 3]
*/
function compact(array) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
...
function concat() { var length = arguments.length; if (!length) { return []; } var args = Array(length - 1), array = arguments[0], index = length; while (index--) { args[index - 1] = arguments[index]; } return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); }
...
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* var array = [1];
* var other = _.concat(array, 2, [3], [[4]]);
*
* console.log(other);
* // => [1, 2, 3, [4]]
*
* console.log(array);
* // => [1]
*/
...
difference = function (array, values) { return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) : []; }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @returns {Array} Returns the new array of filtered values.
* @see _.without, _.xor
* @example
*
* _.difference([2, 1], [2, 3]);
* // => [1]
*/
var difference = baseRest(function(array, values) {
return isArrayLikeObject(array)
? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
: [];
});
...
differenceBy = function (array, values) { var iteratee = last(values); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), baseIteratee(iteratee, 2)) : []; }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
* // => [1.2]
*
* // The `_.property` iteratee shorthand.
* _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
* // => [{ 'x': 2 }]
*/
var differenceBy = baseRest(function(array, values) {
...
differenceWith = function (array, values) { var comparator = last(values); if (isArrayLikeObject(comparator)) { comparator = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator) : []; }
...
* @param {...Array} [values] The values to exclude.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
*
* _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
* // => [{ 'x': 2, 'y': 1 }]
*/
var differenceWith = baseRest(function(array, values) {
var comparator = last(values);
if (isArrayLikeObject(comparator)) {
comparator = undefined;
}
...
function drop(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, n < 0 ? 0 : n, length); }
...
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.drop([1, 2, 3]);
* // => [2, 3]
*
* _.drop([1, 2, 3], 2);
* // => [3]
*
* _.drop([1, 2, 3], 5);
* // => []
...
function dropRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, 0, n < 0 ? 0 : n); }
...
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.dropRight([1, 2, 3]);
* // => [1, 2]
*
* _.dropRight([1, 2, 3], 2);
* // => [1]
*
* _.dropRight([1, 2, 3], 5);
* // => []
...
function dropRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, baseIteratee(predicate, 3), true, true) : []; }
...
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.dropRightWhile(users, function(o) { return !o.active; });
* // => objects for ['barney']
*
* // The `_.matches` iteratee shorthand.
* _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
* // => objects for ['barney', 'fred']
*
* // The `_.matchesProperty` iteratee shorthand.
...
function dropWhile(array, predicate) { return (array && array.length) ? baseWhile(array, baseIteratee(predicate, 3), true) : []; }
...
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.dropWhile(users, function(o) { return !o.active; });
* // => objects for ['pebbles']
*
* // The `_.matches` iteratee shorthand.
* _.dropWhile(users, { 'user': 'barney', 'active': false });
* // => objects for ['fred', 'pebbles']
*
* // The `_.matchesProperty` iteratee shorthand.
...
function fill(array, value, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { start = 0; end = length; } return baseFill(array, value, start, end); }
...
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns `array`.
* @example
*
* var array = [1, 2, 3];
*
* _.fill(array, 'a');
* console.log(array);
* // => ['a', 'a', 'a']
*
* _.fill(Array(3), 2);
* // => [2, 2, 2]
*
* _.fill([4, 6, 8, 10], '*', 1, 3);
...
function findIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseFindIndex(array, baseIteratee(predicate, 3), index); }
...
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.findIndex(users, function(o) { return o.user == 'barney'; });
* // => 0
*
* // The `_.matches` iteratee shorthand.
* _.findIndex(users, { 'user': 'fred', 'active': false });
* // => 1
*
* // The `_.matchesProperty` iteratee shorthand.
...
function findLastIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length - 1; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = fromIndex < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return baseFindIndex(array, baseIteratee(predicate, 3), index, true); }
...
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
* // => 2
*
* // The `_.matches` iteratee shorthand.
* _.findLastIndex(users, { 'user': 'barney', 'active': true });
* // => 0
*
* // The `_.matchesProperty` iteratee shorthand.
...
function head(array) { return (array && array.length) ? array[0] : undefined; }
n/a
function flatten(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, 1) : []; }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flatten([1, [2, [3, [4]], 5]]);
* // => [1, 2, [3, [4]], 5]
*/
function flatten(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, 1) : [];
}
...
function flattenDeep(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, INFINITY) : []; }
...
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, INFINITY) : [];
}
...
function flattenDepth(array, depth) { var length = array == null ? 0 : array.length; if (!length) { return []; } depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(array, depth); }
n/a
function fromPairs(pairs) { var index = -1, length = pairs == null ? 0 : pairs.length, result = {}; while (++index < length) { var pair = pairs[index]; result[pair[0]] = pair[1]; } return result; }
n/a
function head(array) { return (array && array.length) ? array[0] : undefined; }
...
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
function chain(value) {
var result = lodash(value);
result.__chain__ = true;
return result;
...
function indexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseIndexOf(array, value, index); }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.indexOf([1, 2, 1, 2], 2);
* // => 1
*
* // Search from the `fromIndex`.
* _.indexOf([1, 2, 1, 2], 2, 2);
* // => 3
*/
function indexOf(array, value, fromIndex) {
...
function initial(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 0, -1) : []; }
n/a
intersection = function (arrays) { var mapped = arrayMap(arrays, castArrayLikeObject); return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped) : []; }
n/a
intersectionBy = function (arrays) { var iteratee = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); if (iteratee === last(mapped)) { iteratee = undefined; } else { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, baseIteratee(iteratee, 2)) : []; }
n/a
intersectionWith = function (arrays) { var comparator = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); comparator = typeof comparator == 'function' ? comparator : undefined; if (comparator) { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, undefined, comparator) : []; }
n/a
function join(array, separator) { return array == null ? '' : nativeJoin.call(array, separator); }
...
: undefined;
var chr = strSymbols
? strSymbols[0]
: string.charAt(0);
var trailing = strSymbols
? castSlice(strSymbols, 1).join('')
: string.slice(1);
return chr[methodName]() + trailing;
};
}
module.exports = createCaseFirst;
...
function last(array) { var length = array == null ? 0 : array.length; return length ? array[length - 1] : undefined; }
...
* console.log(array);
* // => [1, 2]
*
* wrapped = wrapped.commit();
* console.log(array);
* // => [1, 2, 3]
*
* wrapped.last();
* // => 3
*
* console.log(array);
* // => [1, 2, 3]
*/
function wrapperCommit() {
return new LodashWrapper(this.value(), this.__chain__);
...
function lastIndexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return value === value ? strictLastIndexOf(array, value, index) : baseFindIndex(array, baseIsNaN, index, true); }
n/a
function nth(array, n) { return (array && array.length) ? baseNth(array, toInteger(n)) : undefined; }
n/a
function pullAll(array, values) { return (array && array.length && values && values.length) ? basePullAll(array, values) : array; }
n/a
function pullAll(array, values) { return (array && array.length && values && values.length) ? basePullAll(array, values) : array; }
n/a
function pullAllBy(array, values, iteratee) { return (array && array.length && values && values.length) ? basePullAll(array, values, baseIteratee(iteratee, 2)) : array; }
n/a
function pullAllWith(array, values, comparator) { return (array && array.length && values && values.length) ? basePullAll(array, values, undefined, comparator) : array; }
n/a
pullAt = function (array, indexes) { var length = array == null ? 0 : array.length, result = baseAt(array, indexes); basePullAt(array, arrayMap(indexes, function(index) { return isIndex(index, length) ? +index : index; }).sort(compareAscending)); return result; }
n/a
function remove(array, predicate) { var result = []; if (!(array && array.length)) { return result; } var index = -1, indexes = [], length = array.length; predicate = baseIteratee(predicate, 3); while (++index < length) { var value = array[index]; if (predicate(value, index, array)) { result.push(value); indexes.push(index); } } basePullAt(array, indexes); return result; }
n/a
function reverse(array) { return array == null ? array : nativeReverse.call(array); }
...
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
function tap(value, interceptor) {
interceptor(value);
return value;
}
...
function slice(array, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (end && typeof end != 'number' && isIterateeCall(array, start, end)) { start = 0; end = length; } else { start = start == null ? 0 : toInteger(start); end = end === undefined ? length : toInteger(end); } return baseSlice(array, start, end); }
...
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
...
function sortedIndex(array, value) { return baseSortedIndex(array, value); }
n/a
function sortedIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2)); }
n/a
function sortedIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value); if (index < length && eq(array[index], value)) { return index; } } return -1; }
n/a
function sortedLastIndex(array, value) { return baseSortedIndex(array, value, true); }
n/a
function sortedLastIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2), true); }
n/a
function sortedLastIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value, true) - 1; if (eq(array[index], value)) { return index; } } return -1; }
n/a
function sortedUniq(array) { return (array && array.length) ? baseSortedUniq(array) : []; }
n/a
function sortedUniqBy(array, iteratee) { return (array && array.length) ? baseSortedUniq(array, baseIteratee(iteratee, 2)) : []; }
n/a
function tail(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 1, length) : []; }
n/a
function take(array, n, guard) { if (!(array && array.length)) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, 0, n < 0 ? 0 : n); }
n/a
function takeRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, n < 0 ? 0 : n, length); }
n/a
function takeRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, baseIteratee(predicate, 3), false, true) : []; }
n/a
function takeWhile(array, predicate) { return (array && array.length) ? baseWhile(array, baseIteratee(predicate, 3)) : []; }
n/a
union = function (arrays) { return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); }
n/a
unionBy = function (arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), baseIteratee(iteratee, 2)); }
n/a
unionWith = function (arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator); }
n/a
function uniq(array) { return (array && array.length) ? baseUniq(array) : []; }
n/a
function uniqBy(array, iteratee) { return (array && array.length) ? baseUniq(array, baseIteratee(iteratee, 2)) : []; }
n/a
function uniqWith(array, comparator) { comparator = typeof comparator == 'function' ? comparator : undefined; return (array && array.length) ? baseUniq(array, undefined, comparator) : []; }
n/a
function unzip(array) { if (!(array && array.length)) { return []; } var length = 0; array = arrayFilter(array, function(group) { if (isArrayLikeObject(group)) { length = nativeMax(group.length, length); return true; } }); return baseTimes(length, function(index) { return arrayMap(array, baseProperty(index)); }); }
n/a
function unzipWith(array, iteratee) { if (!(array && array.length)) { return []; } var result = unzip(array); if (iteratee == null) { return result; } return arrayMap(result, function(group) { return apply(iteratee, undefined, group); }); }
n/a
without = function (array, values) { return isArrayLikeObject(array) ? baseDifference(array, values) : []; }
n/a
xor = function (arrays) { return baseXor(arrayFilter(arrays, isArrayLikeObject)); }
n/a
xorBy = function (arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseXor(arrayFilter(arrays, isArrayLikeObject), baseIteratee(iteratee, 2)); }
n/a
xorWith = function (arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator); }
n/a
function unzip(array) { if (!(array && array.length)) { return []; } var length = 0; array = arrayFilter(array, function(group) { if (isArrayLikeObject(group)) { length = nativeMax(group.length, length); return true; } }); return baseTimes(length, function(index) { return arrayMap(array, baseProperty(index)); }); }
n/a
function zipObject(props, values) { return baseZipObject(props || [], values || [], assignValue); }
n/a
function zipObjectDeep(props, values) { return baseZipObject(props || [], values || [], baseSet); }
n/a
zipWith = function (arrays) { var length = arrays.length, iteratee = length > 1 ? arrays[length - 1] : undefined; iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined; return unzipWith(arrays, iteratee); }
n/a
bindKey = function (object, key, partials) { var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG; if (partials.length) { var holders = replaceHolders(partials, getHolder(bindKey)); bitmask |= WRAP_PARTIAL_FLAG; } return createWrap(key, bitmask, object, partials, holders); }
...
* var object = {
* 'user': 'fred',
* 'greet': function(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
* };
*
* var bound = _.bindKey(object, 'greet', 'hi');
* bound('!');
* // => 'hi fred!'
*
* object.greet = function(greeting, punctuation) {
* return greeting + 'ya ' + this.user + punctuation;
* };
*
...
n/a
n/a
countBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, baseIteratee(iteratee, 2), accumulator); }
...
* @since 0.5.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The iteratee to transform keys.
* @returns {Object} Returns the composed aggregate object.
* @example
*
* _.countBy([6.1, 4.2, 6.3], Math.floor);
* // => { '4': 1, '6': 2 }
*
* // The `_.property` iteratee shorthand.
* _.countBy(['one', 'two', 'three'], 'length');
* // => { '3': 2, '5': 1 }
*/
var countBy = createAggregator(function(result, value, key) {
...
function forEach(collection, iteratee) { var func = isArray(collection) ? arrayEach : baseEach; return func(collection, castFunction(iteratee)); }
n/a
function forEachRight(collection, iteratee) { var func = isArray(collection) ? arrayEachRight : baseEachRight; return func(collection, castFunction(iteratee)); }
n/a
function every(collection, predicate, guard) { var func = isArray(collection) ? arrayEvery : baseEvery; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, baseIteratee(predicate, 3)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
* @example
*
* _.every([true, 1, null, 'yes'], Boolean);
* // => false
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
...
function filter(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, baseIteratee(predicate, 3)); }
...
* @example
*
* var objects = [
* { 'a': 2, 'b': 1 },
* { 'a': 1, 'b': 2 }
* ];
*
* _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
* // => [{ 'a': 1, 'b': 2 }]
*/
function conforms(source) {
return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
}
module.exports = conforms;
...
find = function (collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = baseIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false },
* { 'user': 'pebbles', 'age': 1, 'active': true }
* ];
*
* _.find(users, function(o) { return o.age < 40; });
* // => object for 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.find(users, { 'age': 1, 'active': true });
* // => object for 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
...
findLast = function (collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = baseIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }
...
* @category Collection
* @param {Array|Object} collection The collection to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=collection.length-1] The index to search from.
* @returns {*} Returns the matched element, else `undefined`.
* @example
*
* _.findLast([1, 2, 3, 4], function(n) {
* return n % 2 == 1;
* });
* // => 3
*/
var findLast = createFind(findLastIndex);
module.exports = findLast;
...
function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1); }
n/a
function flatMapDeep(collection, iteratee) { return baseFlatten(map(collection, iteratee), INFINITY); }
n/a
function flatMapDepth(collection, iteratee, depth) { depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(map(collection, iteratee), depth); }
n/a
function forEach(collection, iteratee) { var func = isArray(collection) ? arrayEach : baseEach; return func(collection, castFunction(iteratee)); }
...
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
*/
function after(n, func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
...
function forEachRight(collection, iteratee) { var func = isArray(collection) ? arrayEachRight : baseEachRight; return func(collection, castFunction(iteratee)); }
n/a
groupBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, baseIteratee(iteratee, 2), accumulator); }
n/a
function includes(collection, value, fromIndex, guard) { collection = isArrayLike(collection) ? collection : values(collection); fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0; var length = collection.length; if (fromIndex < 0) { fromIndex = nativeMax(length + fromIndex, 0); } return isString(collection) ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1) : (!!length && baseIndexOf(collection, value, fromIndex) > -1); }
n/a
invokeMap = function (collection, path, args) { var index = -1, isFunc = typeof path == 'function', result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value) { result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args); }); return result; }
n/a
keyBy = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, baseIteratee(iteratee, 2), accumulator); }
n/a
function map(collection, iteratee) { var func = isArray(collection) ? arrayMap : baseMap; return func(collection, baseIteratee(iteratee, 3)); }
...
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
...
function orderBy(collection, iteratees, orders, guard) { if (collection == null) { return []; } if (!isArray(iteratees)) { iteratees = iteratees == null ? [] : [iteratees]; } orders = guard ? undefined : orders; if (!isArray(orders)) { orders = orders == null ? [] : [orders]; } return baseOrderBy(collection, iteratees, orders); }
n/a
partition = function (collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, baseIteratee(iteratee, 2), accumulator); }
n/a
function reduce(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduce : baseReduce, initAccum = arguments.length < 3; return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEach); }
...
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2, 3]);
*
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
...
function reduceRight(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduceRight : baseReduce, initAccum = arguments.length < 3; return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEachRight); }
n/a
function reject(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, negate(baseIteratee(predicate, 3))); }
n/a
function sample(collection) { var func = isArray(collection) ? arraySample : baseSample; return func(collection); }
n/a
function sampleSize(collection, n, guard) { if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) { n = 1; } else { n = toInteger(n); } var func = isArray(collection) ? arraySampleSize : baseSampleSize; return func(collection, n); }
n/a
function shuffle(collection) { var func = isArray(collection) ? arrayShuffle : baseShuffle; return func(collection); }
n/a
function size(collection) { if (collection == null) { return 0; } if (isArrayLike(collection)) { return isString(collection) ? stringSize(collection) : collection.length; } var tag = getTag(collection); if (tag == mapTag || tag == setTag) { return collection.size; } return baseKeys(collection).length; }
...
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @returns {number} Returns the collection size.
* @example
*
* _.size([1, 2, 3]);
* // => 3
*
* _.size({ 'a': 1, 'b': 2 });
* // => 2
*
* _.size('pebbles');
* // => 7
...
function some(collection, predicate, guard) { var func = isArray(collection) ? arraySome : baseSome; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, baseIteratee(predicate, 3)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false }
* ];
*
...
sortBy = function (collection, iteratees) { if (collection == null) { return []; } var length = iteratees.length; if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) { iteratees = []; } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) { iteratees = [iteratees[0]]; } return baseOrderBy(collection, baseFlatten(iteratees, 1), []); }
...
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
...
function lodash(value) { return value instanceof LodashWrapper ? value : new LodashWrapper(value); }
n/a
function lodash(value) { return value instanceof LodashWrapper ? value : new LodashWrapper(value); }
n/a
assignIn = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
* function Bar() {
* this.c = 3;
* }
*
* Foo.prototype.b = 2;
* Bar.prototype.d = 4;
*
* _.assignIn({ 'a': 0 }, new Foo, new Bar);
* // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
*/
var assignIn = createAssigner(function(object, source) {
copyObject(source, keysIn(source), object);
});
module.exports = assignIn;
...
function before(n, func) { var result; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n > 0) { result = func.apply(this, arguments); } if (n <= 1) { func = undefined; } return result; }; }
...
* @since 3.0.0
* @category Function
* @param {number} n The number of calls at which `func` is no longer invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* jQuery(element).on('click', _.before(5, addContactToList));
* // => Allows adding up to 4 contacts to the list.
*/
function before(n, func) {
var result;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
...
bind = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
*
* function greet(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
*
* var object = { 'user': 'fred' };
*
* var bound = _.bind(greet, object, 'hi');
* bound('!');
* // => 'hi fred!'
*
* // Bound with placeholders.
* var bound = _.bind(greet, object, _, '!');
* bound('hi');
* // => 'hi fred!'
...
function chain(value) { var result = lodash(value); result.__chain__ = true; return result; }
...
* var users = [
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
...
function clone(value) { if (!isObject(value)) { return value; } return isArray(value) ? copyArray(value) : copyObject(value, nativeKeys(value)); }
...
* @param {*} value The value to clone.
* @returns {*} Returns the cloned value.
* @see _.cloneDeep
* @example
*
* var objects = [{ 'a': 1 }, { 'b': 2 }];
*
* var shallow = _.clone(objects);
* console.log(shallow[0] === objects[0]);
* // => true
*/
function clone(value) {
return baseClone(value, CLONE_SYMBOLS_FLAG);
}
...
function compact(array) { return baseFilter(array, Boolean); }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to compact.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.compact([0, 1, false, 2, '', 3]);
* // => [1, 2, 3]
*/
function compact(array) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
...
function concat() { var length = arguments.length; if (!length) { return []; } var args = Array(length - 1), array = arguments[0], index = length; while (index--) { args[index - 1] = arguments[index]; } return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); }
...
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* var array = [1];
* var other = _.concat(array, 2, [3], [[4]]);
*
* console.log(other);
* // => [1, 2, 3, [4]]
*
* console.log(array);
* // => [1]
*/
...
function create(prototype, properties) { var result = baseCreate(prototype); return properties == null ? result : assign(result, properties); }
...
* this.y = 0;
* }
*
* function Circle() {
* Shape.call(this);
* }
*
* Circle.prototype = _.create(Shape.prototype, {
* 'constructor': Circle
* });
*
* var circle = new Circle;
* circle instanceof Circle;
* // => true
*
...
defaults = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @see _.defaultsDeep
* @example
*
* _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
var defaults = baseRest(function(object, sources) {
object = Object(object);
var index = -1;
var length = sources.length;
...
defer = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
* @since 0.1.0
* @category Function
* @param {Function} func The function to defer.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.defer(function(text) {
* console.log(text);
* }, 'deferred');
* // => Logs 'deferred' after one millisecond.
*/
var defer = baseRest(function(func, args) {
return baseDelay(func, 1, args);
});
...
delay = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
* @category Function
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.delay(function(text) {
* console.log(text);
* }, 1000, 'later');
* // => Logs 'later' after one second.
*/
var delay = baseRest(function(func, wait, args) {
return baseDelay(func, toNumber(wait) || 0, args);
});
...
function forEach(collection, iteratee) { return baseEach(collection, baseIteratee(iteratee)); }
n/a
function escape(string) { string = toString(string); return (string && reHasUnescapedHtml.test(string)) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string; }
...
* @since 0.1.0
* @memberOf _
* @category String
* @param {string} [string=''] The string to escape.
* @returns {string} Returns the escaped string.
* @example
*
* _.escape('fred, barney, & pebbles');
* // => 'fred, barney, & pebbles'
*/
function escape(string) {
string = toString(string);
return (string && reHasUnescapedHtml.test(string))
? string.replace(reUnescapedHtml, escapeHtmlChar)
: string;
...
function every(collection, predicate, guard) { predicate = guard ? undefined : predicate; return baseEvery(collection, baseIteratee(predicate)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
* @example
*
* _.every([true, 1, null, 'yes'], Boolean);
* // => false
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
...
extend = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
n/a
function filter(collection, predicate) { return baseFilter(collection, baseIteratee(predicate)); }
...
* @example
*
* var objects = [
* { 'a': 2, 'b': 1 },
* { 'a': 1, 'b': 2 }
* ];
*
* _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
* // => [{ 'a': 1, 'b': 2 }]
*/
function conforms(source) {
return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
}
module.exports = conforms;
...
find = function (collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = baseIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false },
* { 'user': 'pebbles', 'age': 1, 'active': true }
* ];
*
* _.find(users, function(o) { return o.age < 40; });
* // => object for 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.find(users, { 'age': 1, 'active': true });
* // => object for 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
...
function head(array) { return (array && array.length) ? array[0] : undefined; }
n/a
function flatten(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, 1) : []; }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flatten([1, [2, [3, [4]], 5]]);
* // => [1, 2, [3, [4]], 5]
*/
function flatten(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, 1) : [];
}
...
function flattenDeep(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, INFINITY) : []; }
...
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, INFINITY) : [];
}
...
function forEach(collection, iteratee) { return baseEach(collection, baseIteratee(iteratee)); }
...
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
*/
function after(n, func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
...
function has(object, path) { return object != null && hasOwnProperty.call(object, path); }
...
*
* @private
* @param {Object} cache The cache to query.
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function cacheHas(cache, key) {
return cache.has(key);
}
module.exports = cacheHas;
...
function head(array) { return (array && array.length) ? array[0] : undefined; }
...
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
function chain(value) {
var result = lodash(value);
result.__chain__ = true;
return result;
...
function identity(value) { return value; }
...
* @category Util
* @param {*} value Any value.
* @returns {*} Returns `value`.
* @example
*
* var object = { 'a': 1 };
*
* console.log(_.identity(object) === object);
* // => true
*/
function identity(value) {
return value;
}
/**
...
function indexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (typeof fromIndex == 'number') { fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex; } else { fromIndex = 0; } var index = (fromIndex || 0) - 1, isReflexive = value === value; while (++index < length) { var other = array[index]; if ((isReflexive ? other === value : other !== other)) { return index; } } return -1; }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.indexOf([1, 2, 1, 2], 2);
* // => 1
*
* // Search from the `fromIndex`.
* _.indexOf([1, 2, 1, 2], 2, 2);
* // => 3
*/
function indexOf(array, value, fromIndex) {
...
isArguments = function (value) { return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee'); }
...
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
...
function isArray() { [native code] }
...
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
*
* _.isArray(squares.value());
* // => true
*/
function lodash(value) {
return value instanceof LodashWrapper
...
function isBoolean(value) { return value === true || value === false || (isObjectLike(value) && baseGetTag(value) == boolTag); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
* @example
*
* _.isBoolean(false);
* // => true
*
* _.isBoolean(null);
* // => false
*/
function isBoolean(value) {
return value === true || value === false ||
...
function baseIsDate(value) { return isObjectLike(value) && baseGetTag(value) == dateTag; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a date object, else `false`.
* @example
*
* _.isDate(new Date);
* // => true
*
* _.isDate('Mon April 23 2012');
* // => false
*/
var isDate = baseIsDate;
...
function isEmpty(value) { if (isArrayLike(value) && (isArray(value) || isString(value) || isFunction(value.splice) || isArguments(value))) { return !value.length; } return !nativeKeys(value).length; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is empty, else `false`.
* @example
*
* _.isEmpty(null);
* // => true
*
* _.isEmpty(true);
* // => true
*
* _.isEmpty(1);
* // => true
...
function isEqual(value, other) { return baseIsEqual(value, other); }
...
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.isEqual(object, other);
* // => true
*
* object === other;
* // => false
*/
function isEqual(value, other) {
return baseIsEqual(value, other);
...
function isFinite(value) { return typeof value == 'number' && nativeIsFinite(value); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
* @example
*
* _.isFinite(3);
* // => true
*
* _.isFinite(Number.MIN_VALUE);
* // => true
*
* _.isFinite(Infinity);
* // => false
...
function isFunction(value) { if (!isObject(value)) { return false; } // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 9 which returns 'object' for typed arrays and other constructors. var tag = baseGetTag(value); return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject(value)) {
...
function isNaN(value) { // An `NaN` primitive is the only value that is not equal to itself. // Perform the `toStringTag` check first to avoid errors with some // ActiveX objects in IE. return isNumber(value) && value != +value; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
* @example
*
* _.isNaN(NaN);
* // => true
*
* _.isNaN(new Number(NaN));
* // => true
*
* isNaN(undefined);
* // => true
...
function isNull(value) { return value === null; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `null`, else `false`.
* @example
*
* _.isNull(null);
* // => true
*
* _.isNull(void 0);
* // => false
*/
function isNull(value) {
return value === null;
...
function isNumber(value) { return typeof value == 'number' || (isObjectLike(value) && baseGetTag(value) == numberTag); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a number, else `false`.
* @example
*
* _.isNumber(3);
* // => true
*
* _.isNumber(Number.MIN_VALUE);
* // => true
*
* _.isNumber(Infinity);
* // => true
...
function isObject(value) { var type = typeof value; return value != null && (type == 'object' || type == 'function'); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
...
function baseIsRegExp(value) { return isObjectLike(value) && baseGetTag(value) == regexpTag; }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
* @example
*
* _.isRegExp(/abc/);
* // => true
*
* _.isRegExp('/abc/');
* // => false
*/
var isRegExp = baseIsRegExp;
...
function isString(value) { return typeof value == 'string' || (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag); }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a string, else `false`.
* @example
*
* _.isString('abc');
* // => true
*
* _.isString(1);
* // => false
*/
function isString(value) {
return typeof value == 'string' ||
...
function isUndefined(value) { return value === undefined; }
...
* @param {...Object} sources The source objects.
* @param {Function} [customizer] The function to customize assigned values.
* @returns {Object} Returns `object`.
* @see _.assignWith
* @example
*
* function customizer(objValue, srcValue) {
* return _.isUndefined(objValue) ? srcValue : objValue;
* }
*
* var defaults = _.partialRight(_.assignInWith, customizer);
*
* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
...
function baseIteratee(func) { if (typeof func == 'function') { return func; } if (func == null) { return identity; } return (typeof func == 'object' ? baseMatches : baseProperty)(func); }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
* // The `_.matches` iteratee shorthand.
* _.filter(users, _.iteratee({ 'user': 'barney', 'active&apos
;: true }));
* // => [{ 'user': 'barney', 'age': 36, 'active': true }]
*
* // The `_.matchesProperty` iteratee shorthand.
* _.filter(users, _.iteratee(['user', 'fred']));
* // => [{ 'user': 'fred', 'age': 40 }]
*
* // The `_.property` iteratee shorthand.
...
keys = function (arg) { return func(transform(arg)); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keys(new Foo);
* // => ['a', 'b'] (iteration order is not guaranteed)
*
* _.keys('hi');
* // => ['0', '1']
*/
var keys = nativeKeys;
...
function last(array) { var length = array == null ? 0 : array.length; return length ? array[length - 1] : undefined; }
...
* console.log(array);
* // => [1, 2]
*
* wrapped = wrapped.commit();
* console.log(array);
* // => [1, 2, 3]
*
* wrapped.last();
* // => 3
*
* console.log(array);
* // => [1, 2, 3]
*/
function wrapperCommit() {
return new LodashWrapper(this.value(), this.__chain__);
...
function map(collection, iteratee) { return baseMap(collection, baseIteratee(iteratee)); }
...
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
...
function matches(source) { return baseMatches(assign({}, source)); }
...
* @since 4.0.0
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
*
...
function max(array) { return (array && array.length) ? baseExtremum(array, identity, baseGt) : undefined; }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the maximum value.
* @example
*
* _.max([4, 2, 8, 6]);
* // => 8
*
* _.max([]);
* // => undefined
*/
function max(array) {
return (array && array.length)
...
function min(array) { return (array && array.length) ? baseExtremum(array, identity, baseLt) : undefined; }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the minimum value.
* @example
*
* _.min([4, 2, 8, 6]);
* // => 2
*
* _.min([]);
* // => undefined
*/
function min(array) {
return (array && array.length)
...
function mixin(object, source, options) { var props = keys(source), methodNames = baseFunctions(source, props); if (options == null && !(isObject(source) && (methodNames.length || !props.length))) { options = source; source = object; object = this; methodNames = baseFunctions(source, keys(source)); } var chain = !(isObject(options) && 'chain' in options) || !!options.chain, isFunc = isFunction(object); baseEach(methodNames, function(methodName) { var func = source[methodName]; object[methodName] = func; if (isFunc) { object.prototype[methodName] = function() { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }; } }); return object; }
...
*
* function vowels(string) {
* return _.filter(string, function(v) {
* return /[aeiou]/i.test(v);
* });
* }
*
* _.mixin({ 'vowels': vowels });
* _.vowels('fred');
* // => ['e']
*
* _('fred').vowels().value();
* // => ['e']
*
* _.mixin({ 'vowels': vowels }, { 'chain': false });
...
function negate(predicate) { if (typeof predicate != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } return function() { var args = arguments; return !predicate.apply(this, args); }; }
...
* @returns {Function} Returns the new negated function.
* @example
*
* function isEven(n) {
* return n % 2 == 0;
* }
*
* _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
* // => [1, 3, 5]
*/
function negate(predicate) {
if (typeof predicate != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return function() {
...
function noConflict() { if (root._ === this) { root._ = oldDash; } return this; }
...
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @returns {Function} Returns the `lodash` function.
* @example
*
* var lodash = _.noConflict();
*/
function noConflict() {
if (root._ === this) {
root._ = oldDash;
}
return this;
}
...
function noop() { // No operation performed. }
n/a
function once(func) { return before(2, func); }
...
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var initialize = _.once(createApplication);
* initialize();
* initialize();
* // => `createApplication` is invoked once
*/
function once(func) {
return before(2, func);
}
...
pick = function () { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return func.apply(this, otherArgs); }
...
* _(users).head();
* // => { 'user': 'barney', 'age': 36 }
*
* // A sequence with explicit chaining.
* _(users)
* .chain()
* .head()
* .pick('user')
* .value();
* // => { 'user': 'barney' }
*/
function wrapperChain() {
return chain(this);
}
...
function reduce(collection, iteratee, accumulator) { return baseReduce(collection, baseIteratee(iteratee), accumulator, arguments.length < 3, baseEach); }
...
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2, 3]);
*
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
...
function result(object, path, defaultValue) { var value = object == null ? undefined : object[path]; if (value === undefined) { value = defaultValue; } return isFunction(value) ? value.call(object) : value; }
...
* @param {Array|string} path The path of the property to resolve.
* @param {*} [defaultValue] The value returned for `undefined` resolved values.
* @returns {*} Returns the resolved value.
* @example
*
* var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
*
* _.result(object, 'a[0].b.c1');
* // => 3
*
* _.result(object, 'a[0].b.c2');
* // => 4
*
* _.result(object, 'a[0].b.c3', 'default');
* // => 'default'
...
function size(collection) { if (collection == null) { return 0; } collection = isArrayLike(collection) ? collection : nativeKeys(collection); return collection.length; }
...
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @returns {number} Returns the collection size.
* @example
*
* _.size([1, 2, 3]);
* // => 3
*
* _.size({ 'a': 1, 'b': 2 });
* // => 2
*
* _.size('pebbles');
* // => 7
...
function slice(array, start, end) { var length = array == null ? 0 : array.length; start = start == null ? 0 : +start; end = end === undefined ? length : +end; return length ? baseSlice(array, start, end) : []; }
...
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
...
function some(collection, predicate, guard) { predicate = guard ? undefined : predicate; return baseSome(collection, baseIteratee(predicate)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false }
* ];
*
...
function sortBy(collection, iteratee) { var index = 0; iteratee = baseIteratee(iteratee); return baseMap(baseMap(collection, function(value, key, collection) { return { 'value': value, 'index': index++, 'criteria': iteratee(value, key, collection) }; }).sort(function(object, other) { return compareAscending(object.criteria, other.criteria) || (object.index - other.index); }), baseProperty('value')); }
...
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
...
function tap(value, interceptor) { interceptor(value); return value; }
...
* @category Seq
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns `value`.
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
...
function thru(value, interceptor) { return interceptor(value); }
...
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns the result of `interceptor`.
* @example
*
* _(' abc ')
* .chain()
* .trim()
* .thru(function(value) {
* return [value];
* })
* .value();
* // => ['abc']
*/
function thru(value, interceptor) {
return interceptor(value);
...
function toArray(value) { if (!isArrayLike(value)) { return values(value); } return value.length ? copyArray(value) : []; }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to convert.
* @returns {Array} Returns the converted array.
* @example
*
* _.toArray({ 'a': 1, 'b': 2 });
* // => [1, 2]
*
* _.toArray('abc');
* // => ['a', 'b', 'c']
*
* _.toArray(1);
* // => []
...
function uniqueId(prefix) { var id = ++idCounter; return toString(prefix) + id; }
...
* @since 0.1.0
* @memberOf _
* @category Util
* @param {string} [prefix=''] The value to prefix the ID with.
* @returns {string} Returns the unique ID.
* @example
*
* _.uniqueId('contact_');
* // => 'contact_104'
*
* _.uniqueId();
* // => '105'
*/
function uniqueId(prefix) {
var id = ++idCounter;
...
function values(object) { return object == null ? [] : baseValues(object, keys(object)); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.values(new Foo);
* // => [1, 2] (iteration order is not guaranteed)
*
* _.values('hi');
* // => ['h', 'i']
*/
function values(object) {
return object == null ? [] : baseValues(object, keys(object));
...
assignIn = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* function Bar() {
* this.c = 3;
* }
*
* Foo.prototype.b = 2;
* Bar.prototype.d = 4;
*
* _.assignIn({ 'a': 0 }, new Foo, new Bar);
* // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
*/
var assignIn = createAssigner(function(object, source) {
copyObject(source, keysIn(source), object);
});
module.exports = assignIn;
...
before = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 3.0.0
* @category Function
* @param {number} n The number of calls at which `func` is no longer invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* jQuery(element).on('click', _.before(5, addContactToList));
* // => Allows adding up to 4 contacts to the list.
*/
function before(n, func) {
var result;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
...
bind = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* function greet(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
*
* var object = { 'user': 'fred' };
*
* var bound = _.bind(greet, object, 'hi');
* bound('!');
* // => 'hi fred!'
*
* // Bound with placeholders.
* var bound = _.bind(greet, object, _, '!');
* bound('hi');
* // => 'hi fred!'
...
chain = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* var users = [
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
...
clone = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {*} value The value to clone.
* @returns {*} Returns the cloned value.
* @see _.cloneDeep
* @example
*
* var objects = [{ 'a': 1 }, { 'b': 2 }];
*
* var shallow = _.clone(objects);
* console.log(shallow[0] === objects[0]);
* // => true
*/
function clone(value) {
return baseClone(value, CLONE_SYMBOLS_FLAG);
}
...
compact = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to compact.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.compact([0, 1, false, 2, '', 3]);
* // => [1, 2, 3]
*/
function compact(array) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
...
concat = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* var array = [1];
* var other = _.concat(array, 2, [3], [[4]]);
*
* console.log(other);
* // => [1, 2, 3, [4]]
*
* console.log(array);
* // => [1]
*/
...
create = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* this.y = 0;
* }
*
* function Circle() {
* Shape.call(this);
* }
*
* Circle.prototype = _.create(Shape.prototype, {
* 'constructor': Circle
* });
*
* var circle = new Circle;
* circle instanceof Circle;
* // => true
*
...
defaults = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Object
* @param {Object} object The destination object.
* @param {...Object} [sources] The source objects.
* @returns {Object} Returns `object`.
* @see _.defaultsDeep
* @example
*
* _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
var defaults = baseRest(function(object, sources) {
object = Object(object);
var index = -1;
var length = sources.length;
...
defer = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @category Function
* @param {Function} func The function to defer.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.defer(function(text) {
* console.log(text);
* }, 'deferred');
* // => Logs 'deferred' after one millisecond.
*/
var defer = baseRest(function(func, args) {
return baseDelay(func, 1, args);
});
...
delay = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Function
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.delay(function(text) {
* console.log(text);
* }, 1000, 'later');
* // => Logs 'later' after one second.
*/
var delay = baseRest(function(func, wait, args) {
return baseDelay(func, toNumber(wait) || 0, args);
});
...
each = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
n/a
escape = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category String
* @param {string} [string=''] The string to escape.
* @returns {string} Returns the escaped string.
* @example
*
* _.escape('fred, barney, & pebbles');
* // => 'fred, barney, & pebbles'
*/
function escape(string) {
string = toString(string);
return (string && reHasUnescapedHtml.test(string))
? string.replace(reUnescapedHtml, escapeHtmlChar)
: string;
...
every = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
* @example
*
* _.every([true, 1, null, 'yes'], Boolean);
* // => false
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
...
extend = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
n/a
filter = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @example
*
* var objects = [
* { 'a': 2, 'b': 1 },
* { 'a': 1, 'b': 2 }
* ];
*
* _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
* // => [{ 'a': 1, 'b': 2 }]
*/
function conforms(source) {
return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
}
module.exports = conforms;
...
find = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false },
* { 'user': 'pebbles', 'age': 1, 'active': true }
* ];
*
* _.find(users, function(o) { return o.age < 40; });
* // => object for 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.find(users, { 'age': 1, 'active': true });
* // => object for 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
...
first = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
n/a
flatten = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flatten([1, [2, [3, [4]], 5]]);
* // => [1, 2, [3, [4]], 5]
*/
function flatten(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, 1) : [];
}
...
flattenDeep = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, INFINITY) : [];
}
...
forEach = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
*/
function after(n, func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
...
has = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* @private
* @param {Object} cache The cache to query.
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function cacheHas(cache, key) {
return cache.has(key);
}
module.exports = cacheHas;
...
head = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
function chain(value) {
var result = lodash(value);
result.__chain__ = true;
return result;
...
identity = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Util
* @param {*} value Any value.
* @returns {*} Returns `value`.
* @example
*
* var object = { 'a': 1 };
*
* console.log(_.identity(object) === object);
* // => true
*/
function identity(value) {
return value;
}
/**
...
indexOf = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.indexOf([1, 2, 1, 2], 2);
* // => 1
*
* // Search from the `fromIndex`.
* _.indexOf([1, 2, 1, 2], 2, 2);
* // => 3
*/
function indexOf(array, value, fromIndex) {
...
isArguments = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
* else `false`.
* @example
*
* _.isArguments(function() { return arguments; }());
* // => true
*
* _.isArguments([1, 2, 3]);
* // => false
*/
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
...
isArray = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
*
* _.isArray(squares.value());
* // => true
*/
function lodash(value) {
return value instanceof LodashWrapper
...
isBoolean = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
* @example
*
* _.isBoolean(false);
* // => true
*
* _.isBoolean(null);
* // => false
*/
function isBoolean(value) {
return value === true || value === false ||
...
isDate = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a date object, else `false`.
* @example
*
* _.isDate(new Date);
* // => true
*
* _.isDate('Mon April 23 2012');
* // => false
*/
var isDate = baseIsDate;
...
isEmpty = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is empty, else `false`.
* @example
*
* _.isEmpty(null);
* // => true
*
* _.isEmpty(true);
* // => true
*
* _.isEmpty(1);
* // => true
...
isEqual = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
* @example
*
* var object = { 'a': 1 };
* var other = { 'a': 1 };
*
* _.isEqual(object, other);
* // => true
*
* object === other;
* // => false
*/
function isEqual(value, other) {
return baseIsEqual(value, other);
...
isFinite = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
* @example
*
* _.isFinite(3);
* // => true
*
* _.isFinite(Number.MIN_VALUE);
* // => true
*
* _.isFinite(Infinity);
* // => false
...
isFunction = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
* @example
*
* _.isFunction(_);
* // => true
*
* _.isFunction(/abc/);
* // => false
*/
function isFunction(value) {
if (!isObject(value)) {
...
isNaN = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
* @example
*
* _.isNaN(NaN);
* // => true
*
* _.isNaN(new Number(NaN));
* // => true
*
* isNaN(undefined);
* // => true
...
isNull = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `null`, else `false`.
* @example
*
* _.isNull(null);
* // => true
*
* _.isNull(void 0);
* // => false
*/
function isNull(value) {
return value === null;
...
isNumber = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a number, else `false`.
* @example
*
* _.isNumber(3);
* // => true
*
* _.isNumber(Number.MIN_VALUE);
* // => true
*
* _.isNumber(Infinity);
* // => true
...
isObject = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an object, else `false`.
* @example
*
* _.isObject({});
* // => true
*
* _.isObject([1, 2, 3]);
* // => true
*
* _.isObject(_.noop);
* // => true
...
isRegExp = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
* @example
*
* _.isRegExp(/abc/);
* // => true
*
* _.isRegExp('/abc/');
* // => false
*/
var isRegExp = baseIsRegExp;
...
isString = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a string, else `false`.
* @example
*
* _.isString('abc');
* // => true
*
* _.isString(1);
* // => false
*/
function isString(value) {
return typeof value == 'string' ||
...
isUndefined = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {...Object} sources The source objects.
* @param {Function} [customizer] The function to customize assigned values.
* @returns {Object} Returns `object`.
* @see _.assignWith
* @example
*
* function customizer(objValue, srcValue) {
* return _.isUndefined(objValue) ? srcValue : objValue;
* }
*
* var defaults = _.partialRight(_.assignInWith, customizer);
*
* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
...
iteratee = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
* // The `_.matches` iteratee shorthand.
* _.filter(users, _.iteratee({ 'user': 'barney', 'active&apos
;: true }));
* // => [{ 'user': 'barney', 'age': 36, 'active': true }]
*
* // The `_.matchesProperty` iteratee shorthand.
* _.filter(users, _.iteratee(['user', 'fred']));
* // => [{ 'user': 'fred', 'age': 40 }]
*
* // The `_.property` iteratee shorthand.
...
join = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
: undefined;
var chr = strSymbols
? strSymbols[0]
: string.charAt(0);
var trailing = strSymbols
? castSlice(strSymbols, 1).join('')
: string.slice(1);
return chr[methodName]() + trailing;
};
}
module.exports = createCaseFirst;
...
keys = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.keys(new Foo);
* // => ['a', 'b'] (iteration order is not guaranteed)
*
* _.keys('hi');
* // => ['0', '1']
*/
var keys = nativeKeys;
...
last = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* console.log(array);
* // => [1, 2]
*
* wrapped = wrapped.commit();
* console.log(array);
* // => [1, 2, 3]
*
* wrapped.last();
* // => 3
*
* console.log(array);
* // => [1, 2, 3]
*/
function wrapperCommit() {
return new LodashWrapper(this.value(), this.__chain__);
...
map = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
...
matches = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 4.0.0
* @category Util
* @param {Array} pairs The predicate-function pairs.
* @returns {Function} Returns the new composite function.
* @example
*
* var func = _.cond([
* [_.matches({ 'a': 1 }), _.constant('matches A')],
* [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
* [_.stubTrue, _.constant('no match')]
* ]);
*
* func({ 'a': 1, 'b': 2 });
* // => 'matches A'
*
...
max = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the maximum value.
* @example
*
* _.max([4, 2, 8, 6]);
* // => 8
*
* _.max([]);
* // => undefined
*/
function max(array) {
return (array && array.length)
...
min = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category Math
* @param {Array} array The array to iterate over.
* @returns {*} Returns the minimum value.
* @example
*
* _.min([4, 2, 8, 6]);
* // => 2
*
* _.min([]);
* // => undefined
*/
function min(array) {
return (array && array.length)
...
mixin = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
*
* function vowels(string) {
* return _.filter(string, function(v) {
* return /[aeiou]/i.test(v);
* });
* }
*
* _.mixin({ 'vowels': vowels });
* _.vowels('fred');
* // => ['e']
*
* _('fred').vowels().value();
* // => ['e']
*
* _.mixin({ 'vowels': vowels }, { 'chain': false });
...
negate = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @returns {Function} Returns the new negated function.
* @example
*
* function isEven(n) {
* return n % 2 == 0;
* }
*
* _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
* // => [1, 3, 5]
*/
function negate(predicate) {
if (typeof predicate != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return function() {
...
noConflict = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @static
* @since 0.1.0
* @memberOf _
* @category Util
* @returns {Function} Returns the `lodash` function.
* @example
*
* var lodash = _.noConflict();
*/
function noConflict() {
if (root._ === this) {
root._ = oldDash;
}
return this;
}
...
noop = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
n/a
once = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var initialize = _.once(createApplication);
* initialize();
* initialize();
* // => `createApplication` is invoked once
*/
function once(func) {
return before(2, func);
}
...
pick = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* _(users).head();
* // => { 'user': 'barney', 'age': 36 }
*
* // A sequence with explicit chaining.
* _(users)
* .chain()
* .head()
* .pick('user')
* .value();
* // => { 'user': 'barney' }
*/
function wrapperChain() {
return chain(this);
}
...
pop = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
}
stack.push([object, other]);
stack.push([other, object]);
if (isSameTag && !objIsObj) {
var result = (objIsArr)
? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
: equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
stack.pop();
return result;
}
if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
if (objIsWrapped || othIsWrapped) {
...
push = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
// Node.js 0.10 has enumerable non-index properties on buffers.
(isBuff && (key == 'offset' || key == 'parent')) ||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
(isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
// Skip index properties.
isIndex(key, length)
))) {
result.push(key);
}
}
return result;
}
module.exports = arrayLikeKeys;
...
reduce = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2, 3]);
*
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
...
replace = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
...
result = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {Array|string} path The path of the property to resolve.
* @param {*} [defaultValue] The value returned for `undefined` resolved values.
* @returns {*} Returns the resolved value.
* @example
*
* var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
*
* _.result(object, 'a[0].b.c1');
* // => 3
*
* _.result(object, 'a[0].b.c2');
* // => 4
*
* _.result(object, 'a[0].b.c3', 'default');
* // => 'default'
...
reverse = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
function tap(value, interceptor) {
interceptor(value);
return value;
}
...
shift = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
n/a
size = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @returns {number} Returns the collection size.
* @example
*
* _.size([1, 2, 3]);
* // => 3
*
* _.size({ 'a': 1, 'b': 2 });
* // => 2
*
* _.size('pebbles');
* // => 7
...
slice = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
...
some = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false }
* ];
*
...
sort = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
* @param {Array} array The array to sort.
* @param {Function} comparer The function to define sort order.
* @returns {Array} Returns `array`.
*/
function baseSortBy(array, comparer) {
var length = array.length;
array.sort(comparer);
while (length--) {
array[length] = array[length].value;
}
return array;
}
module.exports = baseSortBy;
...
sortBy = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
...
splice = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
n/a
split = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
...
* Converts an ASCII `string` to an array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the converted array.
*/
function asciiToArray(string) {
return string.split('');
}
module.exports = asciiToArray;
...
tap = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @category Seq
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns `value`.
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
...
thru = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns the result of `interceptor`.
* @example
*
* _(' abc ')
* .chain()
* .trim()
* .thru(function(value) {
* return [value];
* })
* .value();
* // => ['abc']
*/
function thru(value, interceptor) {
return interceptor(value);
...
toArray = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category Lang
* @param {*} value The value to convert.
* @returns {Array} Returns the converted array.
* @example
*
* _.toArray({ 'a': 1, 'b': 2 });
* // => [1, 2]
*
* _.toArray('abc');
* // => ['a', 'b', 'c']
*
* _.toArray(1);
* // => []
...
function wrapperValue() { return baseWrapperValue(this.__wrapped__, this.__actions__); }
n/a
uniqueId = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* @since 0.1.0
* @memberOf _
* @category Util
* @param {string} [prefix=''] The value to prefix the ID with.
* @returns {string} Returns the unique ID.
* @example
*
* _.uniqueId('contact_');
* // => 'contact_104'
*
* _.uniqueId();
* // => '105'
*/
function uniqueId(prefix) {
var id = ++idCounter;
...
unshift = function () { var args = arguments; if (retUnwrapped && !this.__chain__) { var value = this.value(); return func.apply(isArray(value) ? value : [], args); } return this[chainName](function(value) { return func.apply(isArray(value) ? value : [], args); }); }
n/a
function wrapperValue() { return baseWrapperValue(this.__wrapped__, this.__actions__); }
...
: equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
}
if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
if (objIsWrapped || othIsWrapped) {
var objUnwrapped = objIsWrapped ? object.value() : object,
othUnwrapped = othIsWrapped ? other.value() : other;
stack || (stack = new Stack);
return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
}
}
if (!isSameTag) {
...
function wrapperValue() { return baseWrapperValue(this.__wrapped__, this.__actions__); }
n/a
values = function () { var chainAll = this.__chain__; if (chain || chainAll) { var result = object(this.__wrapped__), actions = result.__actions__ = copyArray(this.__actions__); actions.push({ 'func': func, 'args': arguments, 'thisArg': object }); result.__chain__ = chainAll; return result; } return func.apply(object, arrayPush([this.value()], arguments)); }
...
* function Foo() {
* this.a = 1;
* this.b = 2;
* }
*
* Foo.prototype.c = 3;
*
* _.values(new Foo);
* // => [1, 2] (iteration order is not guaranteed)
*
* _.values('hi');
* // => ['h', 'i']
*/
function values(object) {
return object == null ? [] : baseValues(object, keys(object));
...
function curry(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curry.placeholder; return result; }
...
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curry(abc);
*
* curried(1)(2)(3);
* // => [1, 2, 3]
*
* curried(1, 2)(3);
* // => [1, 2, 3]
*
...
n/a
n/a
function curryRight(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curryRight.placeholder; return result; }
...
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curryRight(abc);
*
* curried(3)(2)(1);
* // => [1, 2, 3]
*
* curried(2, 3)(1);
* // => [1, 2, 3]
*
...
n/a
n/a
now = function () { return root.Date.now(); }
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function memoize(func, resolver) { if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) { throw new TypeError(FUNC_ERROR_TEXT); } var memoized = function() { var args = arguments, key = resolver ? resolver.apply(this, args) : args[0], cache = memoized.cache; if (cache.has(key)) { return cache.get(key); } var result = func.apply(this, args); memoized.cache = cache.set(key, result) || cache; return result; }; memoized.cache = new (memoize.Cache || MapCache); return memoized; }
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function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } }
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function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } }
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function mapCacheClear() { this.size = 0; this.__data__ = { 'hash': new Hash, 'map': new (Map || ListCache), 'string': new Hash }; }
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function mapCacheDelete(key) { var result = getMapData(this, key)['delete'](key); this.size -= result ? 1 : 0; return result; }
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function mapCacheGet(key) { return getMapData(this, key).get(key); }
...
return object ? value : {};
}
result = initCloneByTag(value, tag, isDeep);
}
}
// Check for circular references and return its corresponding clone.
stack || (stack = new Stack);
var stacked = stack.get(value);
if (stacked) {
return stacked;
}
stack.set(value, result);
if (isSet(value)) {
value.forEach(function(subValue) {
...
function mapCacheHas(key) { return getMapData(this, key).has(key); }
...
*
* @private
* @param {Object} cache The cache to query.
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function cacheHas(cache, key) {
return cache.has(key);
}
module.exports = cacheHas;
...
function mapCacheSet(key, value) { var data = getMapData(this, key), size = data.size; data.set(key, value); this.size += data.size == size ? 0 : 1; return this; }
...
}
// Check for circular references and return its corresponding clone.
stack || (stack = new Stack);
var stacked = stack.get(value);
if (stacked) {
return stacked;
}
stack.set(value, result);
if (isSet(value)) {
value.forEach(function(subValue) {
result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
});
return result;
...
partial = function (func, partials) { var holders = replaceHolders(partials, getHolder(partial)); return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders); }
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partialRight = function (func, partials) { var holders = replaceHolders(partials, getHolder(partialRight)); return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders); }
...
* @see _.assignWith
* @example
*
* function customizer(objValue, srcValue) {
* return _.isUndefined(objValue) ? srcValue : objValue;
* }
*
* var defaults = _.partialRight(_.assignInWith, customizer);
*
* defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
* // => { 'a': 1, 'b': 2 }
*/
var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
copyObject(source, keysIn(source), object, customizer);
});
...
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