diff options
Diffstat (limited to 'node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js')
| -rw-r--r-- | node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js b/node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js deleted file mode 100644 index c29f0f50..00000000 --- a/node_modules/webpack/lib/esm/ModuleChunkLoadingRuntimeModule.js +++ /dev/null @@ -1,249 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php -*/ - -"use strict"; - -const { SyncWaterfallHook } = require("tapable"); -const Compilation = require("../Compilation"); -const RuntimeGlobals = require("../RuntimeGlobals"); -const RuntimeModule = require("../RuntimeModule"); -const Template = require("../Template"); -const { - getChunkFilenameTemplate, - chunkHasJs -} = require("../javascript/JavascriptModulesPlugin"); -const { getInitialChunkIds } = require("../javascript/StartupHelpers"); -const compileBooleanMatcher = require("../util/compileBooleanMatcher"); -const { getUndoPath } = require("../util/identifier"); - -/** @typedef {import("../Chunk")} Chunk */ -/** @typedef {import("../ChunkGraph")} ChunkGraph */ - -/** - * @typedef {Object} JsonpCompilationPluginHooks - * @property {SyncWaterfallHook<[string, Chunk]>} linkPreload - * @property {SyncWaterfallHook<[string, Chunk]>} linkPrefetch - */ - -/** @type {WeakMap<Compilation, JsonpCompilationPluginHooks>} */ -const compilationHooksMap = new WeakMap(); - -class ModuleChunkLoadingRuntimeModule extends RuntimeModule { - /** - * @param {Compilation} compilation the compilation - * @returns {JsonpCompilationPluginHooks} hooks - */ - static getCompilationHooks(compilation) { - if (!(compilation instanceof Compilation)) { - throw new TypeError( - "The 'compilation' argument must be an instance of Compilation" - ); - } - let hooks = compilationHooksMap.get(compilation); - if (hooks === undefined) { - hooks = { - linkPreload: new SyncWaterfallHook(["source", "chunk"]), - linkPrefetch: new SyncWaterfallHook(["source", "chunk"]) - }; - compilationHooksMap.set(compilation, hooks); - } - return hooks; - } - - /** - * @param {ReadonlySet<string>} runtimeRequirements runtime requirements - */ - constructor(runtimeRequirements) { - super("import chunk loading", RuntimeModule.STAGE_ATTACH); - this._runtimeRequirements = runtimeRequirements; - } - - /** - * @private - * @param {Chunk} chunk chunk - * @param {string} rootOutputDir root output directory - * @returns {string} generated code - */ - _generateBaseUri(chunk, rootOutputDir) { - const options = chunk.getEntryOptions(); - if (options && options.baseUri) { - return `${RuntimeGlobals.baseURI} = ${JSON.stringify(options.baseUri)};`; - } - const compilation = /** @type {Compilation} */ (this.compilation); - const { - outputOptions: { importMetaName } - } = compilation; - return `${RuntimeGlobals.baseURI} = new URL(${JSON.stringify( - rootOutputDir - )}, ${importMetaName}.url);`; - } - - /** - * @returns {string | null} runtime code - */ - generate() { - const compilation = /** @type {Compilation} */ (this.compilation); - const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph); - const chunk = /** @type {Chunk} */ (this.chunk); - const { - runtimeTemplate, - outputOptions: { importFunctionName } - } = compilation; - const fn = RuntimeGlobals.ensureChunkHandlers; - const withBaseURI = this._runtimeRequirements.has(RuntimeGlobals.baseURI); - const withExternalInstallChunk = this._runtimeRequirements.has( - RuntimeGlobals.externalInstallChunk - ); - const withLoading = this._runtimeRequirements.has( - RuntimeGlobals.ensureChunkHandlers - ); - const withOnChunkLoad = this._runtimeRequirements.has( - RuntimeGlobals.onChunksLoaded - ); - const withHmr = this._runtimeRequirements.has( - RuntimeGlobals.hmrDownloadUpdateHandlers - ); - const conditionMap = chunkGraph.getChunkConditionMap(chunk, chunkHasJs); - const hasJsMatcher = compileBooleanMatcher(conditionMap); - const initialChunkIds = getInitialChunkIds(chunk, chunkGraph, chunkHasJs); - - const outputName = compilation.getPath( - getChunkFilenameTemplate(chunk, compilation.outputOptions), - { - chunk, - contentHashType: "javascript" - } - ); - const rootOutputDir = getUndoPath( - outputName, - /** @type {string} */ (compilation.outputOptions.path), - true - ); - - const stateExpression = withHmr - ? `${RuntimeGlobals.hmrRuntimeStatePrefix}_module` - : undefined; - - return Template.asString([ - withBaseURI - ? this._generateBaseUri(chunk, rootOutputDir) - : "// no baseURI", - "", - "// object to store loaded and loading chunks", - "// undefined = chunk not loaded, null = chunk preloaded/prefetched", - "// [resolve, Promise] = chunk loading, 0 = chunk loaded", - `var installedChunks = ${ - stateExpression ? `${stateExpression} = ${stateExpression} || ` : "" - }{`, - Template.indent( - Array.from(initialChunkIds, id => `${JSON.stringify(id)}: 0`).join( - ",\n" - ) - ), - "};", - "", - withLoading || withExternalInstallChunk - ? `var installChunk = ${runtimeTemplate.basicFunction("data", [ - runtimeTemplate.destructureObject( - ["ids", "modules", "runtime"], - "data" - ), - '// add "modules" to the modules object,', - '// then flag all "ids" as loaded and fire callback', - "var moduleId, chunkId, i = 0;", - "for(moduleId in modules) {", - Template.indent([ - `if(${RuntimeGlobals.hasOwnProperty}(modules, moduleId)) {`, - Template.indent( - `${RuntimeGlobals.moduleFactories}[moduleId] = modules[moduleId];` - ), - "}" - ]), - "}", - `if(runtime) runtime(${RuntimeGlobals.require});`, - "for(;i < ids.length; i++) {", - Template.indent([ - "chunkId = ids[i];", - `if(${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId) && installedChunks[chunkId]) {`, - Template.indent("installedChunks[chunkId][0]();"), - "}", - "installedChunks[ids[i]] = 0;" - ]), - "}", - withOnChunkLoad ? `${RuntimeGlobals.onChunksLoaded}();` : "" - ])}` - : "// no install chunk", - "", - withLoading - ? Template.asString([ - `${fn}.j = ${runtimeTemplate.basicFunction( - "chunkId, promises", - hasJsMatcher !== false - ? Template.indent([ - "// import() chunk loading for javascript", - `var installedChunkData = ${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId) ? installedChunks[chunkId] : undefined;`, - 'if(installedChunkData !== 0) { // 0 means "already installed".', - Template.indent([ - "", - '// a Promise means "currently loading".', - "if(installedChunkData) {", - Template.indent([ - "promises.push(installedChunkData[1]);" - ]), - "} else {", - Template.indent([ - hasJsMatcher === true - ? "if(true) { // all chunks have JS" - : `if(${hasJsMatcher("chunkId")}) {`, - Template.indent([ - "// setup Promise in chunk cache", - `var promise = ${importFunctionName}(${JSON.stringify( - rootOutputDir - )} + ${ - RuntimeGlobals.getChunkScriptFilename - }(chunkId)).then(installChunk, ${runtimeTemplate.basicFunction( - "e", - [ - "if(installedChunks[chunkId] !== 0) installedChunks[chunkId] = undefined;", - "throw e;" - ] - )});`, - `var promise = Promise.race([promise, new Promise(${runtimeTemplate.expressionFunction( - `installedChunkData = installedChunks[chunkId] = [resolve]`, - "resolve" - )})])`, - `promises.push(installedChunkData[1] = promise);` - ]), - hasJsMatcher === true - ? "}" - : "} else installedChunks[chunkId] = 0;" - ]), - "}" - ]), - "}" - ]) - : Template.indent(["installedChunks[chunkId] = 0;"]) - )};` - ]) - : "// no chunk on demand loading", - "", - withExternalInstallChunk - ? Template.asString([ - `${RuntimeGlobals.externalInstallChunk} = installChunk;` - ]) - : "// no external install chunk", - "", - withOnChunkLoad - ? `${ - RuntimeGlobals.onChunksLoaded - }.j = ${runtimeTemplate.returningFunction( - "installedChunks[chunkId] === 0", - "chunkId" - )};` - : "// no on chunks loaded" - ]); - } -} - -module.exports = ModuleChunkLoadingRuntimeModule; |