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webpack-strip-code

v1.0.3

Published

Webpack plugin to remove code from chunks

Downloads

22

Readme

Webpack Strip Code

Webpack loader to remove portion of code enclosed by the comment tags. It can be used to remove any code that you don't want in your production chunks / bundle. You can also pass mutliple markers in the loader based on some conditional logic.

Example:

In your client js source files:


var makeFoo(bar, baz) {
    // The code enclosed within the comment blocks would be removed
    /* REMOVE-INSTANCE-CHECKS-START */
    if (bar instanceof Bar !== true) {
        throw new Error('makeFoo: bar param is required and must be instance of Bar');
    }
    /* REMOVE-INSTANCE-CHECKS-END */

    // The code outside the comment blocks would remain as such
    return new Foo(bar, baz);
}

In your webpack config, specify the loader and custom comment tags to mark the start and end of the block to be removed from your code; you can add the options like this:

module.exports = {
  rules: [
    {
      test: /\.js$/,
      enforce: 'pre',
      exclude: /(node_modules|bower_components|\.spec\.js)/,
      use: [
        {
          loader: 'webpack-strip-code',
          options: {
            choiceArray: [
              {
                start: 'REMOVE-INSTANCE-CHECKS-START',
                end: 'REMOVE-INSTANCE-CHECKS-START'
              },
              {
                start: 'ANOTHER-CUSTOM-COMMENT-START',
                end: 'ANOTHER-CUSTOM-COMMENT-END'
              }
            ]
          }
        }
      ]
    }
  ]
};