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WebPack: problem when compiling JS files in html

I am having a problem while working with Webpack. I'm using a JS file to call an API, but this API should be called only in escudos.html, but when I do the Webpack build, the JS file calls the API int both (index.html, escudos.html). I only want that the ./src/js/teams.js call API when I am in the escudos.html, not in in both (index.html, escudos.html) HTML.

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: {
    index: './src/js/index.js',
    teams: './src/js/teams.js',
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'js/[name].bundle.js',
  },
  plugins: [
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: './src/index.html',
    }),
    new HtmlWebpackPlugin({
      filename: 'escudos.html',
      template: './src/escudos.html',
    }),
  ],
  devServer: {
    static: './dist',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: { loader: 'babel-loader' },
      },
    ],
  },
};

for some reason my webpacked file index.html has the teams.js too

about 1 month ago ·

Juan Pablo Isaza

1 answers

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Accepted Answer · 2022-07-09T03:38:08.974Z

The problem (and the solution) is in HtmlWebpackPlugin. HtmlWebpackPlugin injects all entries in every page by default.
There exists three solutions I can think of:

inject: false: This disables auto injection of <script> tags into the templete. You have to manually write <script>tag(s) with the proper src. (Psss: don't)

chunks: specifiy which entries you want to be included for this template. E.G: (Solves the OP problem, what you will need/use in most cases)

new HtmlWebpackPlugin({
    template: "./src/index.html",
    chunks: ["index"]
}),
new HtmlWebpackPlugin({
    template: "./src/escudos.html",
    chunks: ["teams"]
})

exclude: inject all entries except the ones specified in this array. E.G

new HtmlWebpackPlugin({
    template: "./src/test.html",
    exclude: ["index"]
})