1. module progress-bar-webpack-plugin
   1. function progress-bar-webpack-plugin (options)

module progress-bar-webpack-plugin

function progress-bar-webpack-plugin (options)

• description and source-code

  function ProgressBarPlugin(options) {
    options = options || {};
  
    var stream = options.stream || process.stderr;
    var enabled = stream && stream.isTTY;
  
    if (!enabled) {
      return function () {};
    }
  
    var barLeft = chalk.bold('[');
    var barRight = chalk.bold(']');
    var preamble = chalk.cyan.bold('  build ') + barLeft;
    var barFormat = options.format || preamble + ':bar' + barRight + chalk.green.bold(' :percent');
    var summary = options.summary !== false;
    var summaryContent = options.summaryContent;
    var customSummary = options.customSummary;
  
    delete options.format;
    delete options.total;
    delete options.summary;
    delete options.summaryContent;
    delete options.customSummary;
  
    var barOptions = Object.assign({
      complete: '=',
      incomplete: ' ',
      width: 20,
      total: 100,
      clear: true
    }, options);
  
    var bar = new ProgressBar(barFormat, barOptions);
  
    var running = false;
    var startTime = 0;
    var lastPercent = 0;
  
    return new webpack.ProgressPlugin(function (percent, msg) {
      if (!running && lastPercent !== 0 && !customSummary) {
        stream.write('\n');
      }
  
      var newPercent = Math.ceil(percent * barOptions.width);
  
      if (lastPercent !== newPercent) {
        bar.update(percent, {
          msg: msg
        });
        lastPercent = newPercent;
      }
  
      if (!running) {
        running = true;
        startTime = new Date;
        lastPercent = 0;
      } else if (percent === 1) {
        var now = new Date;
        var buildTime = (now - startTime) / 1000 + 's';
  
        bar.terminate();
  
        if (summary) {
          stream.write(chalk.green.bold('Build completed in ' + buildTime + '\n\n'));
        } else if (summaryContent) {
          stream.write(summaryContent + '(' + buildTime + ')\n\n');
        }
  
        if (customSummary) {
          customSummary(buildTime);
        }
  
        running = false;
      }
    });
  }

• example usage

  n/a