Example custom lodash initialization loader

lodash-init-loader.js

// web_loaders/lodash-init-loader.js
// example way to create a custom loader to modify
module.exports = function(source) {
  return source + [
    '',
    'module.exports = (',
    'this.options.lodashInit.toString().split('\n'),',
    ')(_);',
  ].join('\n');
};

webpack.config.js

module.exports = {
  // ...
  module: {
    loaders: [
      {
        test: /lodash/,
        loaders: ['lodash-init', 'exports?_']
      }
    ],
  },
  lodashInit: function(_) {
    _.templateSettings = {
      evaluate: /\{\{(.+?)\}\}/g,
      escape: /\{\{=(.+?)\}\}/g,
      interpolate: /\{\{-(.+?)\}\}/g
    };
    return _;
  },
  // ...
};