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RuntimePlugin.js
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Sun, Feb 16, 10:52

RuntimePlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("./RuntimeGlobals");
const RuntimeRequirementsDependency = require("./dependencies/RuntimeRequirementsDependency");
const JavascriptModulesPlugin = require("./javascript/JavascriptModulesPlugin");
const AutoPublicPathRuntimeModule = require("./runtime/AutoPublicPathRuntimeModule");
const CompatGetDefaultExportRuntimeModule = require("./runtime/CompatGetDefaultExportRuntimeModule");
const CompatRuntimeModule = require("./runtime/CompatRuntimeModule");
const CreateFakeNamespaceObjectRuntimeModule = require("./runtime/CreateFakeNamespaceObjectRuntimeModule");
const DefinePropertyGettersRuntimeModule = require("./runtime/DefinePropertyGettersRuntimeModule");
const EnsureChunkRuntimeModule = require("./runtime/EnsureChunkRuntimeModule");
const GetChunkFilenameRuntimeModule = require("./runtime/GetChunkFilenameRuntimeModule");
const GetMainFilenameRuntimeModule = require("./runtime/GetMainFilenameRuntimeModule");
const GlobalRuntimeModule = require("./runtime/GlobalRuntimeModule");
const HasOwnPropertyRuntimeModule = require("./runtime/HasOwnPropertyRuntimeModule");
const LoadScriptRuntimeModule = require("./runtime/LoadScriptRuntimeModule");
const MakeNamespaceObjectRuntimeModule = require("./runtime/MakeNamespaceObjectRuntimeModule");
const PublicPathRuntimeModule = require("./runtime/PublicPathRuntimeModule");
const RuntimeIdRuntimeModule = require("./runtime/RuntimeIdRuntimeModule");
const SystemContextRuntimeModule = require("./runtime/SystemContextRuntimeModule");
const ShareRuntimeModule = require("./sharing/ShareRuntimeModule");
const StringXor = require("./util/StringXor");
/** @typedef {import("./Chunk")} Chunk */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./Module")} Module */
const GLOBALS_ON_REQUIRE = [
RuntimeGlobals.chunkName,
RuntimeGlobals.runtimeId,
RuntimeGlobals.compatGetDefaultExport,
RuntimeGlobals.createFakeNamespaceObject,
RuntimeGlobals.definePropertyGetters,
RuntimeGlobals.ensureChunk,
RuntimeGlobals.entryModuleId,
RuntimeGlobals.getFullHash,
RuntimeGlobals.global,
RuntimeGlobals.makeNamespaceObject,
RuntimeGlobals.moduleCache,
RuntimeGlobals.moduleFactories,
RuntimeGlobals.moduleFactoriesAddOnly,
RuntimeGlobals.interceptModuleExecution,
RuntimeGlobals.publicPath,
RuntimeGlobals.scriptNonce,
RuntimeGlobals.uncaughtErrorHandler,
RuntimeGlobals.wasmInstances,
RuntimeGlobals.instantiateWasm,
RuntimeGlobals.shareScopeMap,
RuntimeGlobals.initializeSharing,
RuntimeGlobals.loadScript
];
const MODULE_DEPENDENCIES = {
[RuntimeGlobals.moduleLoaded]: [RuntimeGlobals.module],
[RuntimeGlobals.moduleId]: [RuntimeGlobals.module]
};
const TREE_DEPENDENCIES = {
[RuntimeGlobals.definePropertyGetters]: [RuntimeGlobals.hasOwnProperty],
[RuntimeGlobals.compatGetDefaultExport]: [
RuntimeGlobals.definePropertyGetters
],
[RuntimeGlobals.createFakeNamespaceObject]: [
RuntimeGlobals.definePropertyGetters,
RuntimeGlobals.makeNamespaceObject,
RuntimeGlobals.require
],
[RuntimeGlobals.initializeSharing]: [RuntimeGlobals.shareScopeMap],
[RuntimeGlobals.shareScopeMap]: [RuntimeGlobals.hasOwnProperty]
};
class RuntimePlugin {
/**
* @param {Compiler} compiler the Compiler
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap("RuntimePlugin", compilation => {
compilation.dependencyTemplates.set(
RuntimeRequirementsDependency,
new RuntimeRequirementsDependency.Template()
);
for (const req of GLOBALS_ON_REQUIRE) {
compilation.hooks.runtimeRequirementInModule
.for(req)
.tap("RuntimePlugin", (module, set) => {
set.add(RuntimeGlobals.requireScope);
});
compilation.hooks.runtimeRequirementInTree
.for(req)
.tap("RuntimePlugin", (module, set) => {
set.add(RuntimeGlobals.requireScope);
});
}
for (const req of Object.keys(TREE_DEPENDENCIES)) {
const deps = TREE_DEPENDENCIES[req];
compilation.hooks.runtimeRequirementInTree
.for(req)
.tap("RuntimePlugin", (chunk, set) => {
for (const dep of deps) set.add(dep);
});
}
for (const req of Object.keys(MODULE_DEPENDENCIES)) {
const deps = MODULE_DEPENDENCIES[req];
compilation.hooks.runtimeRequirementInModule
.for(req)
.tap("RuntimePlugin", (chunk, set) => {
for (const dep of deps) set.add(dep);
});
}
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.definePropertyGetters)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new DefinePropertyGettersRuntimeModule()
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.makeNamespaceObject)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new MakeNamespaceObjectRuntimeModule()
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.createFakeNamespaceObject)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new CreateFakeNamespaceObjectRuntimeModule()
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hasOwnProperty)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new HasOwnPropertyRuntimeModule()
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.compatGetDefaultExport)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(
chunk,
new CompatGetDefaultExportRuntimeModule()
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.runtimeId)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(chunk, new RuntimeIdRuntimeModule());
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.publicPath)
.tap("RuntimePlugin", (chunk, set) => {
const { outputOptions } = compilation;
const { publicPath, scriptType } = outputOptions;
if (publicPath === "auto") {
const module = new AutoPublicPathRuntimeModule();
if (scriptType !== "module") set.add(RuntimeGlobals.global);
compilation.addRuntimeModule(chunk, module);
} else {
const module = new PublicPathRuntimeModule();
if (
typeof publicPath !== "string" ||
/\[(full)?hash\]/.test(publicPath)
) {
module.fullHash = true;
}
compilation.addRuntimeModule(chunk, module);
}
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.global)
.tap("RuntimePlugin", chunk => {
compilation.addRuntimeModule(chunk, new GlobalRuntimeModule());
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.systemContext)
.tap("RuntimePlugin", chunk => {
if (compilation.outputOptions.library.type === "system") {
compilation.addRuntimeModule(
chunk,
new SystemContextRuntimeModule()
);
}
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.getChunkScriptFilename)
.tap("RuntimePlugin", (chunk, set) => {
if (
typeof compilation.outputOptions.chunkFilename === "string" &&
/\[(full)?hash(:\d+)?\]/.test(
compilation.outputOptions.chunkFilename
)
) {
set.add(RuntimeGlobals.getFullHash);
}
compilation.addRuntimeModule(
chunk,
new GetChunkFilenameRuntimeModule(
"javascript",
"javascript",
RuntimeGlobals.getChunkScriptFilename,
chunk =>
chunk.filenameTemplate ||
(chunk.canBeInitial()
? compilation.outputOptions.filename
: compilation.outputOptions.chunkFilename),
false
)
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.getChunkUpdateScriptFilename)
.tap("RuntimePlugin", (chunk, set) => {
if (
/\[(full)?hash(:\d+)?\]/.test(
compilation.outputOptions.hotUpdateChunkFilename
)
)
set.add(RuntimeGlobals.getFullHash);
compilation.addRuntimeModule(
chunk,
new GetChunkFilenameRuntimeModule(
"javascript",
"javascript update",
RuntimeGlobals.getChunkUpdateScriptFilename,
c => compilation.outputOptions.hotUpdateChunkFilename,
true
)
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.getUpdateManifestFilename)
.tap("RuntimePlugin", (chunk, set) => {
if (
/\[(full)?hash(:\d+)?\]/.test(
compilation.outputOptions.hotUpdateMainFilename
)
) {
set.add(RuntimeGlobals.getFullHash);
}
compilation.addRuntimeModule(
chunk,
new GetMainFilenameRuntimeModule(
"update manifest",
RuntimeGlobals.getUpdateManifestFilename,
compilation.outputOptions.hotUpdateMainFilename
)
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunk)
.tap("RuntimePlugin", (chunk, set) => {
const hasAsyncChunks = chunk.hasAsyncChunks();
if (hasAsyncChunks) {
set.add(RuntimeGlobals.ensureChunkHandlers);
}
compilation.addRuntimeModule(
chunk,
new EnsureChunkRuntimeModule(set)
);
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkIncludeEntries)
.tap("RuntimePlugin", (chunk, set) => {
set.add(RuntimeGlobals.ensureChunkHandlers);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.shareScopeMap)
.tap("RuntimePlugin", (chunk, set) => {
compilation.addRuntimeModule(chunk, new ShareRuntimeModule());
return true;
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.loadScript)
.tap("RuntimePlugin", (chunk, set) => {
compilation.addRuntimeModule(chunk, new LoadScriptRuntimeModule());
return true;
});
// TODO webpack 6: remove CompatRuntimeModule
compilation.hooks.additionalTreeRuntimeRequirements.tap(
"RuntimePlugin",
(chunk, set) => {
const { mainTemplate } = compilation;
if (
mainTemplate.hooks.bootstrap.isUsed() ||
mainTemplate.hooks.localVars.isUsed() ||
mainTemplate.hooks.requireEnsure.isUsed() ||
mainTemplate.hooks.requireExtensions.isUsed()
) {
compilation.addRuntimeModule(chunk, new CompatRuntimeModule());
}
}
);
JavascriptModulesPlugin.getCompilationHooks(compilation).chunkHash.tap(
"RuntimePlugin",
(chunk, hash, { chunkGraph }) => {
const xor = new StringXor();
for (const m of chunkGraph.getChunkRuntimeModulesIterable(chunk)) {
xor.add(chunkGraph.getModuleHash(m, chunk.runtime));
}
xor.updateHash(hash);
}
);
});
}
}
module.exports = RuntimePlugin;

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