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    Sourcemap Loader

    Extracts source maps from existing source files (from their sourceMappingURL).

    Install

    npm i -D source-map-loader

    Usage

    Documentation: Using loaders

    Example webpack config

    module.exports = {
      module: {
        rules: [
          {
            test: /\.js$/,
            use: ["source-map-loader"],
            enforce: "pre"
          }
        ]
      }
    };

    source-map-loader extracts existing source maps from all JavaScript entries. This includes both inline source maps as well as those linked via URL. All source map data is passed to webpack for processing as per a chosen source map style specified by the devtool option in webpack.config.js.

    This loader is especially useful when using 3rd-party libraries having their own source maps. If not extracted and processed into the souce map of the webpack bundle, browsers may misinterpret source map data. source-map-loader allows webpack to maintain source map data continuity across libraries so ease of debugging is preserved.

    source-map-loader will extract from any JavaScript file, including those in the node_modules directory. Be mindful in setting include and exclude rule conditions to maximize bundling performance.

    Maintainers


    Juho Vepsäläinen

    Joshua Wiens

    Kees Kluskens

    Sean Larkin

    Keywords

    none

    install

    npm i source-map-loader

    Downloadslast 7 days

    330,541

    version

    0.2.3

    license

    none

    repository

    github.com

    last publish

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