angularjs-spa-cli/utils/buildDll.js

var rimraf = require('rimraf');

var printErrors = require('./printErrors');
var setupCompiler = require('./setupCompiler');
var dllVersion = require('./dllVersion');
var WebpackDllConfig = require('../config/webpack.config.dll');

function prebuild(config, index, callback) {
  if (!config.chunks[index]) {
    if (typeof callback === 'function') {
      callback();
    }
  } else if (!dllVersion.isExpired(config.output.dll, config.chunks[index])) {
    prebuild(config, index + 1, callback);
  } else {
    var webpackConfig = WebpackDllConfig(config, index);
    rimraf(webpackConfig.output.path, function () {
      var webpackCompiler = setupCompiler(webpackConfig);
      console.log();
      console.log('> ' + config.chunks[index].name + ' building...');
      console.log();
      webpackCompiler.run((err, stats) => {
        if (err) {
          printErrors('Failed to compile.', [err]);
          process.exit(1);
        }

        if (stats.compilation.errors.length) {
          printErrors('Failed to compile.', stats.compilation.errors);
          process.exit(1);
        }

        if (process.env.CI && stats.compilation.warnings.length) {
          printErrors('Failed to compile.', stats.compilation.warnings);
          process.exit(1);
        }

        dllVersion.record(config.output.dll, config.chunks[index]);
        prebuild(config, index + 1, callback);
      });
    });
  }
}

module.exports = function (config, callback) {
  prebuild(config, 0, callback);
};