webpack
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Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
327 lines (316 loc) • 10.8 kB
JavaScript
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
;
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 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.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.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;