354 lines
13 KiB
JavaScript
354 lines
13 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("../Chunk").ChunkId} ChunkId */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../ChunkGraph").ModuleId} ModuleId */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
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/** @typedef {import("./ConsumeSharedModule")} ConsumeSharedModule */
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class ConsumeSharedRuntimeModule extends RuntimeModule {
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/**
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* @param {ReadOnlyRuntimeRequirements} runtimeRequirements runtime requirements
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*/
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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 | null} runtime code
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*/
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generate() {
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const compilation = /** @type {Compilation} */ (this.compilation);
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const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph);
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const { runtimeTemplate, codeGenerationResults } = compilation;
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/** @type {Record<ChunkId, (string | number)[]>} */
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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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/** @type {(string | number)[]} */
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const initialConsumes = [];
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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 = m;
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const id = /** @type {ModuleId} */ (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 /** @type {Chunk} */ (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(
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modules,
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chunk,
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(chunkToModuleMapping[/** @type {ChunkId} */ (chunk.id)] = [])
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);
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}
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for (const chunk of /** @type {Chunk} */ (
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this.chunk
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).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 exists = ${runtimeTemplate.basicFunction("scope, key", [
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`return scope && ${RuntimeGlobals.hasOwnProperty}(scope, key);`
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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 eagerOnly = ${runtimeTemplate.basicFunction("versions", [
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`return Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
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"filtered, version",
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Template.indent([
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"if (versions[version].eager) {",
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Template.indent(["filtered[version] = versions[version];"]),
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"}",
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"return filtered;"
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])
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)}, {});`
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])};`,
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`var findLatestVersion = ${runtimeTemplate.basicFunction(
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"scope, key, eager",
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[
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"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
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`var key = Object.keys(versions).reduce(${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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)};`,
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`var findSatisfyingVersion = ${runtimeTemplate.basicFunction(
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"scope, key, requiredVersion, eager",
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[
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"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
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`var key = Object.keys(versions).reduce(${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 findSingletonVersionKey = ${runtimeTemplate.basicFunction(
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"scope, key, eager",
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[
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"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
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`return Object.keys(versions).reduce(${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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"scope, key, version, requiredVersion",
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[
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'return "Unsatisfied version " + version + " from " + (version && scope[key][version].from) + " of shared singleton module " + key + " (required " + rangeToString(requiredVersion) + ")"'
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]
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)};`,
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`var getInvalidVersionMessage = ${runtimeTemplate.basicFunction(
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"scope, scopeName, key, requiredVersion, eager",
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[
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"var versions = scope[key];",
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'return "No satisfying version (" + rangeToString(requiredVersion) + ")" + (eager ? " for eager consumption" : "") + " of shared module " + key + " found in shared scope " + scopeName + ".\\n" +',
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`\t"Available versions: " + Object.keys(versions).map(${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 fail = ${runtimeTemplate.basicFunction("msg", [
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"throw new Error(msg);"
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])}`,
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`var failAsNotExist = ${runtimeTemplate.basicFunction("scopeName, key", [
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'return fail("Shared module " + key + " doesn\'t exist in shared scope " + scopeName);'
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])}`,
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`var warn = /*#__PURE__*/ ${
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compilation.outputOptions.ignoreBrowserWarnings
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? runtimeTemplate.basicFunction("", "")
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: runtimeTemplate.basicFunction("msg", [
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'if (typeof console !== "undefined" && console.warn) console.warn(msg);'
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])
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};`,
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`var init = ${runtimeTemplate.returningFunction(
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Template.asString([
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"function(scopeName, key, eager, c, d) {",
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Template.indent([
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`var promise = ${RuntimeGlobals.initializeSharing}(scopeName);`,
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// if we require eager shared, we expect it to be already loaded before it requested, no need to wait the whole scope loaded.
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"if (promise && promise.then && !eager) { ",
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Template.indent([
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`return promise.then(fn.bind(fn, scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], key, false, c, d));`
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]),
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"}",
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`return fn(scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], key, eager, c, d);`
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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 useFallback = ${runtimeTemplate.basicFunction(
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"scopeName, key, fallback",
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["return fallback ? fallback() : failAsNotExist(scopeName, key);"]
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)}`,
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`var load = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"return get(findLatestVersion(scope, key, eager));"
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]
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)});`,
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`var loadVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, requiredVersion, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"var satisfyingVersion = findSatisfyingVersion(scope, key, requiredVersion, eager);",
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"if (satisfyingVersion) return get(satisfyingVersion);",
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"warn(getInvalidVersionMessage(scope, scopeName, key, requiredVersion, eager))",
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"return get(findLatestVersion(scope, key, eager));"
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]
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)});`,
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`var loadStrictVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, requiredVersion, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"var satisfyingVersion = findSatisfyingVersion(scope, key, requiredVersion, eager);",
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"if (satisfyingVersion) return get(satisfyingVersion);",
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"if (fallback) return fallback();",
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"fail(getInvalidVersionMessage(scope, scopeName, key, requiredVersion, eager));"
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]
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)});`,
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`var loadSingleton = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"var version = findSingletonVersionKey(scope, key, eager);",
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"return get(scope[key][version]);"
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]
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)});`,
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`var loadSingletonVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, requiredVersion, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"var version = findSingletonVersionKey(scope, key, eager);",
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"if (!satisfy(requiredVersion, version)) {",
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Template.indent([
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"warn(getInvalidSingletonVersionMessage(scope, key, version, requiredVersion));"
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]),
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"}",
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"return get(scope[key][version]);"
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]
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)});`,
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`var loadStrictSingletonVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
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"scopeName, scope, key, eager, requiredVersion, fallback",
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[
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"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
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"var version = findSingletonVersionKey(scope, key, eager);",
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"if (!satisfy(requiredVersion, version)) {",
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Template.indent([
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"fail(getInvalidSingletonVersionMessage(scope, key, version, requiredVersion));"
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]),
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"}",
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"return get(scope[key][version]);"
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]
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)});`,
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"var installedModules = {};",
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"var moduleToHandlerMapping = {",
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Template.indent(
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Array.from(
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moduleIdToSourceMapping,
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([key, source]) => `${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 = ${JSON.stringify(
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chunkToModuleMapping,
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null,
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"\t"
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)};`,
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"var startedInstallModules = {};",
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`${
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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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"if(!startedInstallModules[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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"startedInstallModules[id] = true;",
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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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])
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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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