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ArrayPushCallbackChunkFormatPlugin.js
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Mon, Feb 10, 10:29

ArrayPushCallbackChunkFormatPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const HotUpdateChunk = require("../HotUpdateChunk");
const Template = require("../Template");
const { getEntryInfo } = require("../web/JsonpHelpers");
const {
chunkHasJs,
getCompilationHooks
} = require("./JavascriptModulesPlugin");
/** @typedef {import("../Compiler")} Compiler */
class ArrayPushCallbackChunkFormatPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap(
"ArrayPushCallbackChunkFormatPlugin",
compilation => {
const hooks = getCompilationHooks(compilation);
hooks.renderChunk.tap(
"ArrayPushCallbackChunkFormatPlugin",
(modules, renderContext) => {
const { chunk, chunkGraph, runtimeTemplate } = renderContext;
const hotUpdateChunk =
chunk instanceof HotUpdateChunk ? chunk : null;
const globalObject = runtimeTemplate.outputOptions.globalObject;
const source = new ConcatSource();
const runtimeModules = chunkGraph.getChunkRuntimeModulesInOrder(
chunk
);
const runtimePart =
runtimeModules.length > 0 &&
Template.renderChunkRuntimeModules(runtimeModules, renderContext);
if (hotUpdateChunk) {
const hotUpdateGlobal =
runtimeTemplate.outputOptions.hotUpdateGlobal;
source.add(
`${globalObject}[${JSON.stringify(hotUpdateGlobal)}](`
);
source.add(`${JSON.stringify(chunk.id)},`);
source.add(modules);
if (runtimePart) {
source.add(",\n");
source.add(runtimePart);
}
source.add(")");
} else {
const chunkLoadingGlobal =
runtimeTemplate.outputOptions.chunkLoadingGlobal;
source.add(
`(${globalObject}[${JSON.stringify(
chunkLoadingGlobal
)}] = ${globalObject}[${JSON.stringify(
chunkLoadingGlobal
)}] || []).push([`
);
source.add(`${JSON.stringify(chunk.ids)},`);
source.add(modules);
const entries = getEntryInfo(chunkGraph, chunk, c =>
chunkHasJs(c, chunkGraph)
);
const entriesPart =
entries.length > 0 && `,${JSON.stringify(entries)}`;
if (runtimePart || entriesPart) {
source.add(",\n");
source.add(runtimePart || "0");
}
if (entriesPart) {
source.add(entriesPart);
}
source.add("])");
}
return source;
}
);
hooks.chunkHash.tap(
"ArrayPushCallbackChunkFormatPlugin",
(chunk, hash, { chunkGraph, runtimeTemplate }) => {
if (chunk.hasRuntime()) return;
hash.update("ArrayPushCallbackChunkFormatPlugin");
hash.update("1");
hash.update(
JSON.stringify(
getEntryInfo(chunkGraph, chunk, c => chunkHasJs(c, chunkGraph))
)
);
hash.update(`${runtimeTemplate.outputOptions.chunkLoadingGlobal}`);
hash.update(`${runtimeTemplate.outputOptions.hotUpdateGlobal}`);
hash.update(`${runtimeTemplate.outputOptions.globalObject}`);
}
);
}
);
}
}
module.exports = ArrayPushCallbackChunkFormatPlugin;

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