[6a3a178] | 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 |
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| 6 | "use strict";
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| 7 |
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| 8 | const { ConcatSource, RawSource } = require("webpack-sources");
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| 9 | const RuntimeGlobals = require("../RuntimeGlobals");
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| 10 | const Template = require("../Template");
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| 11 | const {
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| 12 | getChunkFilenameTemplate,
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| 13 | getCompilationHooks
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| 14 | } = require("./JavascriptModulesPlugin");
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| 15 | const {
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| 16 | generateEntryStartup,
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| 17 | updateHashForEntryStartup
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| 18 | } = require("./StartupHelpers");
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| 19 |
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| 20 | /** @typedef {import("../Compiler")} Compiler */
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| 21 |
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| 22 | class CommonJsChunkFormatPlugin {
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| 23 | /**
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| 24 | * Apply the plugin
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| 25 | * @param {Compiler} compiler the compiler instance
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| 26 | * @returns {void}
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| 27 | */
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| 28 | apply(compiler) {
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| 29 | compiler.hooks.thisCompilation.tap(
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| 30 | "CommonJsChunkFormatPlugin",
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| 31 | compilation => {
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| 32 | compilation.hooks.additionalChunkRuntimeRequirements.tap(
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| 33 | "CommonJsChunkLoadingPlugin",
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| 34 | (chunk, set, { chunkGraph }) => {
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| 35 | if (chunk.hasRuntime()) return;
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| 36 | if (chunkGraph.getNumberOfEntryModules(chunk) > 0) {
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| 37 | set.add(RuntimeGlobals.require);
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| 38 | set.add(RuntimeGlobals.startupEntrypoint);
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| 39 | set.add(RuntimeGlobals.externalInstallChunk);
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| 40 | }
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| 41 | }
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| 42 | );
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| 43 | const hooks = getCompilationHooks(compilation);
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| 44 | hooks.renderChunk.tap(
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| 45 | "CommonJsChunkFormatPlugin",
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| 46 | (modules, renderContext) => {
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| 47 | const { chunk, chunkGraph, runtimeTemplate } = renderContext;
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| 48 | const source = new ConcatSource();
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| 49 | source.add(`exports.id = ${JSON.stringify(chunk.id)};\n`);
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| 50 | source.add(`exports.ids = ${JSON.stringify(chunk.ids)};\n`);
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| 51 | source.add(`exports.modules = `);
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| 52 | source.add(modules);
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| 53 | source.add(";\n");
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| 54 | const runtimeModules =
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| 55 | chunkGraph.getChunkRuntimeModulesInOrder(chunk);
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| 56 | if (runtimeModules.length > 0) {
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| 57 | source.add("exports.runtime =\n");
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| 58 | source.add(
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| 59 | Template.renderChunkRuntimeModules(
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| 60 | runtimeModules,
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| 61 | renderContext
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| 62 | )
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| 63 | );
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| 64 | }
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| 65 | const entries = Array.from(
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| 66 | chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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| 67 | );
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| 68 | if (entries.length > 0) {
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| 69 | const runtimeChunk = entries[0][1].getRuntimeChunk();
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| 70 | const currentOutputName = compilation
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| 71 | .getPath(
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| 72 | getChunkFilenameTemplate(chunk, compilation.outputOptions),
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| 73 | {
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| 74 | chunk,
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| 75 | contentHashType: "javascript"
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| 76 | }
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| 77 | )
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| 78 | .split("/");
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| 79 | const runtimeOutputName = compilation
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| 80 | .getPath(
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| 81 | getChunkFilenameTemplate(
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| 82 | runtimeChunk,
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| 83 | compilation.outputOptions
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| 84 | ),
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| 85 | {
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| 86 | chunk: runtimeChunk,
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| 87 | contentHashType: "javascript"
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| 88 | }
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| 89 | )
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| 90 | .split("/");
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| 91 |
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| 92 | // remove filename, we only need the directory
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| 93 | currentOutputName.pop();
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| 94 |
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| 95 | // remove common parts
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| 96 | while (
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| 97 | currentOutputName.length > 0 &&
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| 98 | runtimeOutputName.length > 0 &&
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| 99 | currentOutputName[0] === runtimeOutputName[0]
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| 100 | ) {
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| 101 | currentOutputName.shift();
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| 102 | runtimeOutputName.shift();
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| 103 | }
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| 104 |
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| 105 | // create final path
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| 106 | const runtimePath =
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| 107 | (currentOutputName.length > 0
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| 108 | ? "../".repeat(currentOutputName.length)
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| 109 | : "./") + runtimeOutputName.join("/");
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| 110 |
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| 111 | const entrySource = new ConcatSource();
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| 112 | entrySource.add(
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| 113 | `(${
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| 114 | runtimeTemplate.supportsArrowFunction()
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| 115 | ? "() => "
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| 116 | : "function() "
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| 117 | }{\n`
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| 118 | );
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| 119 | entrySource.add("var exports = {};\n");
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| 120 | entrySource.add(source);
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| 121 | entrySource.add(";\n\n// load runtime\n");
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| 122 | entrySource.add(
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| 123 | `var __webpack_require__ = require(${JSON.stringify(
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| 124 | runtimePath
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| 125 | )});\n`
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| 126 | );
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| 127 | entrySource.add(
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| 128 | `${RuntimeGlobals.externalInstallChunk}(exports);\n`
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| 129 | );
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| 130 | const startupSource = new RawSource(
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| 131 | generateEntryStartup(
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| 132 | chunkGraph,
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| 133 | runtimeTemplate,
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| 134 | entries,
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| 135 | chunk,
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| 136 | false
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| 137 | )
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| 138 | );
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| 139 | entrySource.add(
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| 140 | hooks.renderStartup.call(
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| 141 | startupSource,
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| 142 | entries[entries.length - 1][0],
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| 143 | {
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| 144 | ...renderContext,
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| 145 | inlined: false
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| 146 | }
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| 147 | )
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| 148 | );
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| 149 | entrySource.add("\n})()");
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| 150 | return entrySource;
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| 151 | }
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| 152 | return source;
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| 153 | }
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| 154 | );
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| 155 | hooks.chunkHash.tap(
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| 156 | "CommonJsChunkFormatPlugin",
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| 157 | (chunk, hash, { chunkGraph }) => {
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| 158 | if (chunk.hasRuntime()) return;
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| 159 | hash.update("CommonJsChunkFormatPlugin");
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| 160 | hash.update("1");
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| 161 | const entries = Array.from(
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| 162 | chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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| 163 | );
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| 164 | updateHashForEntryStartup(hash, chunkGraph, entries, chunk);
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| 165 | }
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| 166 | );
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| 167 | }
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| 168 | );
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| 169 | }
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| 170 | }
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| 171 |
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| 172 | module.exports = CommonJsChunkFormatPlugin;
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