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rOACCT/node_modules/webpack/lib/javascript/CommonJsChunkFormatPlugin.js
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CommonJsChunkFormatPlugin.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 RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
const { getEntryInfo } = require("../web/JsonpHelpers");
const {
getChunkFilenameTemplate,
chunkHasJs,
getCompilationHooks
} = require("./JavascriptModulesPlugin");
/** @typedef {import("../Compiler")} Compiler */
class CommonJsChunkFormatPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap(
"CommonJsChunkFormatPlugin",
compilation => {
const hooks = getCompilationHooks(compilation);
hooks.renderChunk.tap(
"CommonJsChunkFormatPlugin",
(modules, renderContext) => {
const { chunk, chunkGraph, runtimeTemplate } = renderContext;
const source = new ConcatSource();
source.add(`exports.id = ${JSON.stringify(chunk.id)};\n`);
source.add(`exports.ids = ${JSON.stringify(chunk.ids)};\n`);
source.add(`exports.modules = `);
source.add(modules);
source.add(";\n");
const runtimeModules = chunkGraph.getChunkRuntimeModulesInOrder(
chunk
);
if (runtimeModules.length > 0) {
source.add("exports.runtime =\n");
source.add(
Template.renderChunkRuntimeModules(
runtimeModules,
renderContext
)
);
}
const entries = Array.from(
chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
);
if (entries.length > 0) {
const runtimeChunk = entries[0][1].getRuntimeChunk();
const currentOutputName = compilation
.getPath(
getChunkFilenameTemplate(chunk, compilation.outputOptions),
{
chunk,
contentHashType: "javascript"
}
)
.split("/");
const runtimeOutputName = compilation
.getPath(
getChunkFilenameTemplate(
runtimeChunk,
compilation.outputOptions
),
{
chunk: runtimeChunk,
contentHashType: "javascript"
}
)
.split("/");
// remove filename, we only need the directory
currentOutputName.pop();
// remove common parts
while (
currentOutputName.length > 0 &&
runtimeOutputName.length > 0 &&
currentOutputName[0] === runtimeOutputName[0]
) {
currentOutputName.shift();
runtimeOutputName.shift();
}
// create final path
const runtimePath =
(currentOutputName.length > 0
? "../".repeat(currentOutputName.length)
: "./") + runtimeOutputName.join("/");
const entrySource = new ConcatSource();
entrySource.add(
`(${
runtimeTemplate.supportsArrowFunction()
? "() => "
: "function() "
}{\n`
);
entrySource.add("var exports = {};\n");
entrySource.add(source);
entrySource.add(";\n\n// load runtime\n");
entrySource.add(
`var __webpack_require__ = require(${JSON.stringify(
runtimePath
)});\n`
);
entrySource.add(
`${RuntimeGlobals.externalInstallChunk}(exports);\n`
);
for (let i = 0; i < entries.length; i++) {
const [module, entrypoint] = entries[i];
entrySource.add(
`${i === entries.length - 1 ? "return " : ""}${
RuntimeGlobals.startupEntrypoint
}(${JSON.stringify(
entrypoint.chunks
.filter(c => c !== chunk && c !== runtimeChunk)
.map(c => c.id)
)}, ${JSON.stringify(chunkGraph.getModuleId(module))});\n`
);
}
entrySource.add("})()");
return entrySource;
}
return source;
}
);
hooks.chunkHash.tap(
"CommonJsChunkFormatPlugin",
(chunk, hash, { chunkGraph }) => {
if (chunk.hasRuntime()) return;
hash.update("CommonJsChunkFormatPlugin");
hash.update("1");
hash.update(
JSON.stringify(
getEntryInfo(chunkGraph, chunk, c => chunkHasJs(c, chunkGraph))
)
);
}
);
}
);
}
}
module.exports = CommonJsChunkFormatPlugin;
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