You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.3 KiB
58 lines
1.3 KiB
3 years ago
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const { STAGE_BASIC, STAGE_ADVANCED } = require("../OptimizationStages");
|
||
|
|
|
||
|
|
/** @typedef {import("../Chunk")} Chunk */
|
||
|
|
/** @typedef {import("../Compiler")} Compiler */
|
||
|
|
|
||
|
|
class RemoveEmptyChunksPlugin {
|
||
|
|
/**
|
||
|
|
* Apply the plugin
|
||
|
|
* @param {Compiler} compiler the compiler instance
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(compiler) {
|
||
|
|
compiler.hooks.compilation.tap("RemoveEmptyChunksPlugin", compilation => {
|
||
|
|
/**
|
||
|
|
* @param {Iterable<Chunk>} chunks the chunks array
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
const handler = chunks => {
|
||
|
|
const chunkGraph = compilation.chunkGraph;
|
||
|
|
for (const chunk of chunks) {
|
||
|
|
if (
|
||
|
|
chunkGraph.getNumberOfChunkModules(chunk) === 0 &&
|
||
|
|
!chunk.hasRuntime() &&
|
||
|
|
chunkGraph.getNumberOfEntryModules(chunk) === 0
|
||
|
|
) {
|
||
|
|
compilation.chunkGraph.disconnectChunk(chunk);
|
||
|
|
compilation.chunks.delete(chunk);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// TODO do it once
|
||
|
|
compilation.hooks.optimizeChunks.tap(
|
||
|
|
{
|
||
|
|
name: "RemoveEmptyChunksPlugin",
|
||
|
|
stage: STAGE_BASIC
|
||
|
|
},
|
||
|
|
handler
|
||
|
|
);
|
||
|
|
compilation.hooks.optimizeChunks.tap(
|
||
|
|
{
|
||
|
|
name: "RemoveEmptyChunksPlugin",
|
||
|
|
stage: STAGE_ADVANCED
|
||
|
|
},
|
||
|
|
handler
|
||
|
|
);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
module.exports = RemoveEmptyChunksPlugin;
|