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      • CC 4.0 License

      The content of this section is derived from the content of the following links and is subject to the CC BY 4.0 license.

      The following contents can be assumed to be the result of modifications and deletions based on the original contents if not specifically stated.

      EvalSourceMapDevToolPlugin

      This plugin enables more fine grained control of source map generation. It is also enabled automatically by certain settings of the devtool configuration option.

      new webpack.EvalSourceMapDevToolPlugin(options);

      Options

      append

      • Type: string | function

      Appends the given value to the original asset. Usually the #sourceMappingURL comment. [url] is replaced with a URL to the source map file. false disables the appending.

      module

      • Type: boolean

      Indicates whether loaders should generate source maps (defaults to true).

      columns

      • Type: boolean

      Indicates whether column mappings should be used (defaults to true).

      Examples

      Basic use case

      You can use the following code to replace the configuration option devtool: eval-source-map with an equivalent custom plugin configuration:

      rspack.config.mjs
      import { rspack } from '@rspack/core';

export default {
  // ...
  devtool: false,
  plugins: [new rspack.EvalSourceMapDevToolPlugin({})],
};

      Exclude vendor maps

      The following code would exclude source maps for any modules in the vendor.js bundle:

      new rspack.EvalSourceMapDevToolPlugin({
  exclude: ['vendor.js'],
});