343 lines
12 KiB
JavaScript
343 lines
12 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const RuntimeModule = require("../RuntimeModule");
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const Template = require("../Template");
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const {
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parseVersionRuntimeCode,
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versionLtRuntimeCode,
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rangeToStringRuntimeCode,
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satisfyRuntimeCode
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} = require("../util/semver");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("./ConsumeSharedModule")} ConsumeSharedModule */
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class ConsumeSharedRuntimeModule extends RuntimeModule {
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constructor(runtimeRequirements) {
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super("consumes", RuntimeModule.STAGE_ATTACH);
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this._runtimeRequirements = runtimeRequirements;
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}
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/**
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* @returns {string} runtime code
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*/
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generate() {
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const {
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runtimeTemplate,
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chunkGraph,
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codeGenerationResults
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} = this.compilation;
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const chunkToModuleMapping = {};
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/** @type {Map<string | number, Source>} */
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const moduleIdToSourceMapping = new Map();
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const initialConsumes = [];
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/**
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*
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* @param {Iterable<Module>} modules modules
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* @param {Chunk} chunk the chunk
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* @param {(string | number)[]} list list of ids
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*/
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const addModules = (modules, chunk, list) => {
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for (const m of modules) {
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const module = /** @type {ConsumeSharedModule} */ (m);
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const id = chunkGraph.getModuleId(module);
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list.push(id);
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moduleIdToSourceMapping.set(
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id,
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codeGenerationResults.getSource(
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module,
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chunk.runtime,
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"consume-shared"
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)
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);
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}
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};
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for (const chunk of this.chunk.getAllAsyncChunks()) {
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const modules = chunkGraph.getChunkModulesIterableBySourceType(
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chunk,
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"consume-shared"
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);
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if (!modules) continue;
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addModules(modules, chunk, (chunkToModuleMapping[chunk.id] = []));
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}
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for (const chunk of this.chunk.getAllInitialChunks()) {
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const modules = chunkGraph.getChunkModulesIterableBySourceType(
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chunk,
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"consume-shared"
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);
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if (!modules) continue;
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addModules(modules, chunk, initialConsumes);
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}
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if (moduleIdToSourceMapping.size === 0) return null;
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return Template.asString([
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parseVersionRuntimeCode(runtimeTemplate),
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versionLtRuntimeCode(runtimeTemplate),
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rangeToStringRuntimeCode(runtimeTemplate),
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satisfyRuntimeCode(runtimeTemplate),
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`var ensureExistence = ${runtimeTemplate.basicFunction("scopeName, key", [
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`var scope = ${RuntimeGlobals.shareScopeMap}[scopeName];`,
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`if(!scope || !${RuntimeGlobals.hasOwnProperty}(scope, key)) throw new Error("Shared module " + key + " doesn't exist in shared scope " + scopeName);`,
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"return scope;"
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])};`,
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`var findVersion = ${runtimeTemplate.basicFunction("scope, key", [
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"var versions = scope[key];",
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`var key = Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
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"a, b",
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["return !a || versionLt(a, b) ? b : a;"]
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)}, 0);`,
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"return key && versions[key]"
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])};`,
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`var findSingletonVersionKey = ${runtimeTemplate.basicFunction(
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"scope, key",
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[
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"var versions = scope[key];",
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`return Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
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"a, b",
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["return !a || (!versions[a].loaded && versionLt(a, b)) ? b : a;"]
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)}, 0);`
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]
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)};`,
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`var getInvalidSingletonVersionMessage = ${runtimeTemplate.basicFunction(
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"key, version, requiredVersion",
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[
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`return "Unsatisfied version " + version + " of shared singleton module " + key + " (required " + rangeToString(requiredVersion) + ")"`
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]
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)};`,
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`var getSingletonVersion = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion",
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[
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"var version = findSingletonVersionKey(scope, key);",
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"if (!satisfy(requiredVersion, version)) " +
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'typeof console !== "undefined" && console.warn && console.warn(getInvalidSingletonVersionMessage(key, version, requiredVersion));',
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"return get(scope[key][version]);"
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]
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)};`,
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`var getStrictSingletonVersion = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion",
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[
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"var version = findSingletonVersionKey(scope, key);",
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"if (!satisfy(requiredVersion, version)) " +
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"throw new Error(getInvalidSingletonVersionMessage(key, version, requiredVersion));",
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"return get(scope[key][version]);"
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]
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)};`,
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`var findValidVersion = ${runtimeTemplate.basicFunction(
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"scope, key, requiredVersion",
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[
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"var versions = scope[key];",
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`var key = Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
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"a, b",
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[
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"if (!satisfy(requiredVersion, b)) return a;",
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"return !a || versionLt(a, b) ? b : a;"
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]
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)}, 0);`,
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"return key && versions[key]"
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]
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)};`,
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`var getInvalidVersionMessage = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion",
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[
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"var versions = scope[key];",
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'return "No satisfying version (" + rangeToString(requiredVersion) + ") of shared module " + key + " found in shared scope " + scopeName + ".\\n" +',
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`\t"Available versions: " + Object.keys(versions).map(${runtimeTemplate.basicFunction(
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"key",
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['return key + " from " + versions[key].from;']
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)}).join(", ");`
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]
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)};`,
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`var getValidVersion = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion",
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[
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"var entry = findValidVersion(scope, key, requiredVersion);",
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"if(entry) return get(entry);",
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"throw new Error(getInvalidVersionMessage(scope, scopeName, key, requiredVersion));"
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]
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)};`,
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`var warnInvalidVersion = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion",
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[
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'typeof console !== "undefined" && console.warn && console.warn(getInvalidVersionMessage(scope, scopeName, key, requiredVersion));'
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]
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)};`,
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`var get = ${runtimeTemplate.basicFunction("entry", [
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"entry.loaded = 1;",
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"return entry.get()"
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])};`,
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`var init = ${runtimeTemplate.returningFunction(
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Template.asString([
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"function(scopeName, a, b, c) {",
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Template.indent([
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`var promise = ${RuntimeGlobals.initializeSharing}(scopeName);`,
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`if (promise && promise.then) return promise.then(fn.bind(fn, scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], a, b, c));`,
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`return fn(scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], a, b, c);`
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]),
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"}"
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]),
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"fn"
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)};`,
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"",
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`var load = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key",
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[
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"ensureExistence(scopeName, key);",
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"return get(findVersion(scope, key));"
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]
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)});`,
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`var loadFallback = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, fallback",
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[
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`return scope && ${RuntimeGlobals.hasOwnProperty}(scope, key) ? get(findVersion(scope, key)) : fallback();`
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]
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)});`,
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`var loadVersionCheck = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version",
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[
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"ensureExistence(scopeName, key);",
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"return get(findValidVersion(scope, key, version) || warnInvalidVersion(scope, scopeName, key, version) || findVersion(scope, key));"
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]
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)});`,
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`var loadSingletonVersionCheck = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version",
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[
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"ensureExistence(scopeName, key);",
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"return getSingletonVersion(scope, scopeName, key, version);"
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]
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)});`,
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`var loadStrictVersionCheck = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version",
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[
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"ensureExistence(scopeName, key);",
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"return getValidVersion(scope, scopeName, key, version);"
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]
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)});`,
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`var loadStrictSingletonVersionCheck = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version",
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[
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"ensureExistence(scopeName, key);",
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"return getStrictSingletonVersion(scope, scopeName, key, version);"
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]
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)});`,
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`var loadVersionCheckFallback = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version, fallback",
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[
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`if(!scope || !${RuntimeGlobals.hasOwnProperty}(scope, key)) return fallback();`,
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"return get(findValidVersion(scope, key, version) || warnInvalidVersion(scope, scopeName, key, version) || findVersion(scope, key));"
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]
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)});`,
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`var loadSingletonVersionCheckFallback = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version, fallback",
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[
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`if(!scope || !${RuntimeGlobals.hasOwnProperty}(scope, key)) return fallback();`,
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"return getSingletonVersion(scope, scopeName, key, version);"
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]
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)});`,
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`var loadStrictVersionCheckFallback = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version, fallback",
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[
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`var entry = scope && ${RuntimeGlobals.hasOwnProperty}(scope, key) && findValidVersion(scope, key, version);`,
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`return entry ? get(entry) : fallback();`
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]
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)});`,
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`var loadStrictSingletonVersionCheckFallback = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, version, fallback",
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[
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`if(!scope || !${RuntimeGlobals.hasOwnProperty}(scope, key)) return fallback();`,
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"return getStrictSingletonVersion(scope, scopeName, key, version);"
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]
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)});`,
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"var installedModules = {};",
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"var moduleToHandlerMapping = {",
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Template.indent(
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Array.from(
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moduleIdToSourceMapping,
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([key, source]) => `${JSON.stringify(key)}: ${source.source()}`
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).join(",\n")
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),
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"};",
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initialConsumes.length > 0
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? Template.asString([
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`var initialConsumes = ${JSON.stringify(initialConsumes)};`,
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`initialConsumes.forEach(${runtimeTemplate.basicFunction("id", [
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`${
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RuntimeGlobals.moduleFactories
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}[id] = ${runtimeTemplate.basicFunction("module", [
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"// Handle case when module is used sync",
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"installedModules[id] = 0;",
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`delete ${RuntimeGlobals.moduleCache}[id];`,
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"var factory = moduleToHandlerMapping[id]();",
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'if(typeof factory !== "function") throw new Error("Shared module is not available for eager consumption: " + id);',
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`module.exports = factory();`
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])}`
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])});`
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])
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: "// no consumes in initial chunks",
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this._runtimeRequirements.has(RuntimeGlobals.ensureChunkHandlers)
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? Template.asString([
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`var chunkMapping = ${JSON.stringify(
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chunkToModuleMapping,
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null,
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"\t"
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)};`,
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`${
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RuntimeGlobals.ensureChunkHandlers
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}.consumes = ${runtimeTemplate.basicFunction("chunkId, promises", [
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`if(${RuntimeGlobals.hasOwnProperty}(chunkMapping, chunkId)) {`,
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Template.indent([
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`chunkMapping[chunkId].forEach(${runtimeTemplate.basicFunction(
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"id",
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[
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`if(${RuntimeGlobals.hasOwnProperty}(installedModules, id)) return promises.push(installedModules[id]);`,
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`var onFactory = ${runtimeTemplate.basicFunction(
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"factory",
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[
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"installedModules[id] = 0;",
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`${
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RuntimeGlobals.moduleFactories
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}[id] = ${runtimeTemplate.basicFunction("module", [
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`delete ${RuntimeGlobals.moduleCache}[id];`,
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"module.exports = factory();"
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])}`
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]
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)};`,
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`var onError = ${runtimeTemplate.basicFunction("error", [
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"delete installedModules[id];",
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`${
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RuntimeGlobals.moduleFactories
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}[id] = ${runtimeTemplate.basicFunction("module", [
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`delete ${RuntimeGlobals.moduleCache}[id];`,
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"throw error;"
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])}`
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])};`,
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"try {",
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Template.indent([
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"var promise = moduleToHandlerMapping[id]();",
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"if(promise.then) {",
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Template.indent(
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`promises.push(installedModules[id] = promise.then(onFactory).catch(onError));`
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),
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"} else onFactory(promise);"
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]),
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"} catch(e) { onError(e); }"
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]
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)});`
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]),
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"}"
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])}`
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])
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: "// no chunk loading of consumes"
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]);
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}
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}
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module.exports = ConsumeSharedRuntimeModule;
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