/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { ConcatSource, PrefixSource, RawSource } = require("webpack-sources");
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const { RuntimeGlobals } = require("..");
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const HotUpdateChunk = require("../HotUpdateChunk");
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const Template = require("../Template");
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const { getCompilationHooks } = require("./JavascriptModulesPlugin");
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const {
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generateEntryStartup,
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updateHashForEntryStartup
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} = require("./StartupHelpers");
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../ChunkGraph").EntryModuleWithChunkGroup} EntryModuleWithChunkGroup */
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/** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
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const PLUGIN_NAME = "ArrayPushCallbackChunkFormatPlugin";
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class ArrayPushCallbackChunkFormatPlugin {
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
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compilation.hooks.additionalChunkRuntimeRequirements.tap(
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PLUGIN_NAME,
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(chunk, set, { chunkGraph }) => {
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if (chunk.hasRuntime()) return;
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if (chunkGraph.getNumberOfEntryModules(chunk) > 0) {
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set.add(RuntimeGlobals.onChunksLoaded);
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set.add(RuntimeGlobals.exports);
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set.add(RuntimeGlobals.require);
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}
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set.add(RuntimeGlobals.chunkCallback);
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}
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);
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const hooks = getCompilationHooks(compilation);
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hooks.renderChunk.tap(PLUGIN_NAME, (modules, renderContext) => {
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const { chunk, chunkGraph, runtimeTemplate } = renderContext;
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const hotUpdateChunk = chunk instanceof HotUpdateChunk ? chunk : null;
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const globalObject = runtimeTemplate.globalObject;
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const source = new ConcatSource();
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const runtimeModules = chunkGraph.getChunkRuntimeModulesInOrder(chunk);
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if (hotUpdateChunk) {
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const hotUpdateGlobal = runtimeTemplate.outputOptions.hotUpdateGlobal;
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source.add(`${globalObject}[${JSON.stringify(hotUpdateGlobal)}](`);
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source.add(`${JSON.stringify(chunk.id)},`);
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source.add(modules);
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if (runtimeModules.length > 0) {
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source.add(",\n");
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const runtimePart = Template.renderChunkRuntimeModules(
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runtimeModules,
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renderContext
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);
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source.add(runtimePart);
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}
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source.add(")");
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} else {
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const chunkLoadingGlobal =
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runtimeTemplate.outputOptions.chunkLoadingGlobal;
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source.add(
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`(${globalObject}[${JSON.stringify(
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chunkLoadingGlobal
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)}] = ${globalObject}[${JSON.stringify(
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chunkLoadingGlobal
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)}] || []).push([`
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);
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source.add(`${JSON.stringify(chunk.ids)},`);
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source.add(modules);
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/** @type {EntryModuleWithChunkGroup[]} */
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const entries = [
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...chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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];
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if (runtimeModules.length > 0 || entries.length > 0) {
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const runtime = new ConcatSource(
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`${
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runtimeTemplate.supportsArrowFunction()
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? `${RuntimeGlobals.require} =>`
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: `function(${RuntimeGlobals.require})`
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} { // webpackRuntimeModules\n`
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);
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if (runtimeModules.length > 0) {
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runtime.add(
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Template.renderRuntimeModules(runtimeModules, {
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...renderContext,
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codeGenerationResults:
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/** @type {CodeGenerationResults} */
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(compilation.codeGenerationResults)
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})
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);
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}
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if (entries.length > 0) {
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const startupSource = new RawSource(
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generateEntryStartup(
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chunkGraph,
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runtimeTemplate,
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entries,
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chunk,
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true
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)
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);
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runtime.add(
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hooks.renderStartup.call(
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startupSource,
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entries[entries.length - 1][0],
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{
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...renderContext,
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inlined: false
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}
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)
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);
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if (
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chunkGraph
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.getChunkRuntimeRequirements(chunk)
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.has(RuntimeGlobals.returnExportsFromRuntime)
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) {
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runtime.add(`return ${RuntimeGlobals.exports};\n`);
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}
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}
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runtime.add("}\n");
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source.add(",\n");
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source.add(new PrefixSource("/******/ ", runtime));
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}
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source.add("])");
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}
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return source;
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});
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hooks.chunkHash.tap(
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PLUGIN_NAME,
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(chunk, hash, { chunkGraph, runtimeTemplate }) => {
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if (chunk.hasRuntime()) return;
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hash.update(
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`${PLUGIN_NAME}1${runtimeTemplate.outputOptions.chunkLoadingGlobal}${runtimeTemplate.outputOptions.hotUpdateGlobal}${runtimeTemplate.globalObject}`
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);
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/** @type {EntryModuleWithChunkGroup[]} */
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const entries = [
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...chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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];
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updateHashForEntryStartup(hash, chunkGraph, entries, chunk);
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}
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);
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});
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}
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}
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module.exports = ArrayPushCallbackChunkFormatPlugin;
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