SingleRuntimeChunkPlugin

README.md

Usage: new SingleRuntimeChunkPlugin({name: chunkName})

const SingleRuntimeChunkPlugin = require('./SingleRuntimeChunkPlugin.js');

module.exports = {
  plugins: [new SingleRuntimeChunkPlugin({name: 'webpack-runtime'})]
};

SingleRuntimeChunkPlugin.js

module.exports = class SingleRuntimeChunkPlugin {
	constructor(options) {
		this.name = options.name || 'runtime';
		this.runtimeChunk = null;
	}

	apply(compiler) {
		compiler.hooks.thisCompilation.tap('SingleRuntimeChunkPlugin', compilation => {
			compilation.hooks.optimizeChunksAdvanced.tap('SingleRuntimeChunkPlugin', () => {
				for(const entrypoint of compilation.entrypoints.values()) {
					const chunk = entrypoint.getRuntimeChunk();
					if(chunk.getNumberOfModules() > 0) {
						if (!this.runtimeChunk) {
							this.runtimeChunk = compilation.addChunk(this.name);
						}
						entrypoint.unshiftChunk(this.runtimeChunk);
						this.runtimeChunk.addGroup(entrypoint);
						entrypoint.setRuntimeChunk(this.runtimeChunk);
					}
				}
			});
		});
	}
};