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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
module.exports = class RuntimeChunkPlugin {
constructor(options) {
this.options = Object.assign(
{
name: entrypoint => `runtime~${entrypoint.name}`
},
options
);
}
apply(compiler) {
compiler.hooks.thisCompilation.tap("RuntimeChunkPlugin", compilation => {
compilation.hooks.optimizeChunksAdvanced.tap("RuntimeChunkPlugin", () => {
for (const entrypoint of compilation.entrypoints.values()) {
const chunk = entrypoint.getRuntimeChunk();
let name = this.options.name;
if (typeof name === "function") {
name = name(entrypoint);
}
if (
chunk.getNumberOfModules() > 0 ||
!chunk.preventIntegration ||
chunk.name !== name
) {
const newChunk = compilation.addChunk(name);
newChunk.preventIntegration = true;
entrypoint.unshiftChunk(newChunk);
newChunk.addGroup(entrypoint);
entrypoint.setRuntimeChunk(newChunk);
}
}
});
});
}
};
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