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parttimejob/node_modules/webpack/lib/sharing/ConsumeSharedRuntimeModule.js

354 lines
13 KiB

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const RuntimeModule = require("../RuntimeModule");
const Template = require("../Template");
const {
parseVersionRuntimeCode,
versionLtRuntimeCode,
rangeToStringRuntimeCode,
satisfyRuntimeCode
} = require("../util/semver");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../Chunk").ChunkId} ChunkId */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../ChunkGraph").ModuleId} ModuleId */
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
/** @typedef {import("./ConsumeSharedModule")} ConsumeSharedModule */
class ConsumeSharedRuntimeModule extends RuntimeModule {
/**
* @param {ReadOnlyRuntimeRequirements} runtimeRequirements runtime requirements
*/
constructor(runtimeRequirements) {
super("consumes", RuntimeModule.STAGE_ATTACH);
this._runtimeRequirements = runtimeRequirements;
}
/**
* @returns {string | null} runtime code
*/
generate() {
const compilation = /** @type {Compilation} */ (this.compilation);
const chunkGraph = /** @type {ChunkGraph} */ (this.chunkGraph);
const { runtimeTemplate, codeGenerationResults } = compilation;
/** @type {Record<ChunkId, (string | number)[]>} */
const chunkToModuleMapping = {};
/** @type {Map<string | number, Source>} */
const moduleIdToSourceMapping = new Map();
/** @type {(string | number)[]} */
const initialConsumes = [];
/**
* @param {Iterable<Module>} modules modules
* @param {Chunk} chunk the chunk
* @param {(string | number)[]} list list of ids
*/
const addModules = (modules, chunk, list) => {
for (const m of modules) {
const module = m;
const id = /** @type {ModuleId} */ (chunkGraph.getModuleId(module));
list.push(id);
moduleIdToSourceMapping.set(
id,
codeGenerationResults.getSource(
module,
chunk.runtime,
"consume-shared"
)
);
}
};
for (const chunk of /** @type {Chunk} */ (this.chunk).getAllAsyncChunks()) {
const modules = chunkGraph.getChunkModulesIterableBySourceType(
chunk,
"consume-shared"
);
if (!modules) continue;
addModules(
modules,
chunk,
(chunkToModuleMapping[/** @type {ChunkId} */ (chunk.id)] = [])
);
}
for (const chunk of /** @type {Chunk} */ (
this.chunk
).getAllInitialChunks()) {
const modules = chunkGraph.getChunkModulesIterableBySourceType(
chunk,
"consume-shared"
);
if (!modules) continue;
addModules(modules, chunk, initialConsumes);
}
if (moduleIdToSourceMapping.size === 0) return null;
return Template.asString([
parseVersionRuntimeCode(runtimeTemplate),
versionLtRuntimeCode(runtimeTemplate),
rangeToStringRuntimeCode(runtimeTemplate),
satisfyRuntimeCode(runtimeTemplate),
`var exists = ${runtimeTemplate.basicFunction("scope, key", [
`return scope && ${RuntimeGlobals.hasOwnProperty}(scope, key);`
])}`,
`var get = ${runtimeTemplate.basicFunction("entry", [
"entry.loaded = 1;",
"return entry.get()"
])};`,
`var eagerOnly = ${runtimeTemplate.basicFunction("versions", [
`return Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
"filtered, version",
Template.indent([
"if (versions[version].eager) {",
Template.indent(["filtered[version] = versions[version];"]),
"}",
"return filtered;"
])
)}, {});`
])};`,
`var findLatestVersion = ${runtimeTemplate.basicFunction(
"scope, key, eager",
[
"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
`var key = Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
"a, b",
["return !a || versionLt(a, b) ? b : a;"]
)}, 0);`,
"return key && versions[key];"
]
)};`,
`var findSatisfyingVersion = ${runtimeTemplate.basicFunction(
"scope, key, requiredVersion, eager",
[
"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
`var key = Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
"a, b",
[
"if (!satisfy(requiredVersion, b)) return a;",
"return !a || versionLt(a, b) ? b : a;"
]
)}, 0);`,
"return key && versions[key]"
]
)};`,
`var findSingletonVersionKey = ${runtimeTemplate.basicFunction(
"scope, key, eager",
[
"var versions = eager ? eagerOnly(scope[key]) : scope[key];",
`return Object.keys(versions).reduce(${runtimeTemplate.basicFunction(
"a, b",
["return !a || (!versions[a].loaded && versionLt(a, b)) ? b : a;"]
)}, 0);`
]
)};`,
`var getInvalidSingletonVersionMessage = ${runtimeTemplate.basicFunction(
"scope, key, version, requiredVersion",
[
'return "Unsatisfied version " + version + " from " + (version && scope[key][version].from) + " of shared singleton module " + key + " (required " + rangeToString(requiredVersion) + ")"'
]
)};`,
`var getInvalidVersionMessage = ${runtimeTemplate.basicFunction(
"scope, scopeName, key, requiredVersion, eager",
[
"var versions = scope[key];",
'return "No satisfying version (" + rangeToString(requiredVersion) + ")" + (eager ? " for eager consumption" : "") + " of shared module " + key + " found in shared scope " + scopeName + ".\\n" +',
`\t"Available versions: " + Object.keys(versions).map(${runtimeTemplate.basicFunction(
"key",
['return key + " from " + versions[key].from;']
)}).join(", ");`
]
)};`,
`var fail = ${runtimeTemplate.basicFunction("msg", [
"throw new Error(msg);"
])}`,
`var failAsNotExist = ${runtimeTemplate.basicFunction("scopeName, key", [
'return fail("Shared module " + key + " doesn\'t exist in shared scope " + scopeName);'
])}`,
`var warn = /*#__PURE__*/ ${
compilation.outputOptions.ignoreBrowserWarnings
? runtimeTemplate.basicFunction("", "")
: runtimeTemplate.basicFunction("msg", [
'if (typeof console !== "undefined" && console.warn) console.warn(msg);'
])
};`,
`var init = ${runtimeTemplate.returningFunction(
Template.asString([
"function(scopeName, key, eager, c, d) {",
Template.indent([
`var promise = ${RuntimeGlobals.initializeSharing}(scopeName);`,
// if we require eager shared, we expect it to be already loaded before it requested, no need to wait the whole scope loaded.
"if (promise && promise.then && !eager) { ",
Template.indent([
`return promise.then(fn.bind(fn, scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], key, false, c, d));`
]),
"}",
`return fn(scopeName, ${RuntimeGlobals.shareScopeMap}[scopeName], key, eager, c, d);`
]),
"}"
]),
"fn"
)};`,
"",
`var useFallback = ${runtimeTemplate.basicFunction(
"scopeName, key, fallback",
["return fallback ? fallback() : failAsNotExist(scopeName, key);"]
)}`,
`var load = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"return get(findLatestVersion(scope, key, eager));"
]
)});`,
`var loadVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, requiredVersion, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"var satisfyingVersion = findSatisfyingVersion(scope, key, requiredVersion, eager);",
"if (satisfyingVersion) return get(satisfyingVersion);",
"warn(getInvalidVersionMessage(scope, scopeName, key, requiredVersion, eager))",
"return get(findLatestVersion(scope, key, eager));"
]
)});`,
`var loadStrictVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, requiredVersion, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"var satisfyingVersion = findSatisfyingVersion(scope, key, requiredVersion, eager);",
"if (satisfyingVersion) return get(satisfyingVersion);",
"if (fallback) return fallback();",
"fail(getInvalidVersionMessage(scope, scopeName, key, requiredVersion, eager));"
]
)});`,
`var loadSingleton = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"var version = findSingletonVersionKey(scope, key, eager);",
"return get(scope[key][version]);"
]
)});`,
`var loadSingletonVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, requiredVersion, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"var version = findSingletonVersionKey(scope, key, eager);",
"if (!satisfy(requiredVersion, version)) {",
Template.indent([
"warn(getInvalidSingletonVersionMessage(scope, key, version, requiredVersion));"
]),
"}",
"return get(scope[key][version]);"
]
)});`,
`var loadStrictSingletonVersion = /*#__PURE__*/ init(${runtimeTemplate.basicFunction(
"scopeName, scope, key, eager, requiredVersion, fallback",
[
"if (!exists(scope, key)) return useFallback(scopeName, key, fallback);",
"var version = findSingletonVersionKey(scope, key, eager);",
"if (!satisfy(requiredVersion, version)) {",
Template.indent([
"fail(getInvalidSingletonVersionMessage(scope, key, version, requiredVersion));"
]),
"}",
"return get(scope[key][version]);"
]
)});`,
"var installedModules = {};",
"var moduleToHandlerMapping = {",
Template.indent(
Array.from(
moduleIdToSourceMapping,
([key, source]) => `${JSON.stringify(key)}: ${source.source()}`
).join(",\n")
),
"};",
initialConsumes.length > 0
? Template.asString([
`var initialConsumes = ${JSON.stringify(initialConsumes)};`,
`initialConsumes.forEach(${runtimeTemplate.basicFunction("id", [
`${
RuntimeGlobals.moduleFactories
}[id] = ${runtimeTemplate.basicFunction("module", [
"// Handle case when module is used sync",
"installedModules[id] = 0;",
`delete ${RuntimeGlobals.moduleCache}[id];`,
"var factory = moduleToHandlerMapping[id]();",
'if(typeof factory !== "function") throw new Error("Shared module is not available for eager consumption: " + id);',
"module.exports = factory();"
])}`
])});`
])
: "// no consumes in initial chunks",
this._runtimeRequirements.has(RuntimeGlobals.ensureChunkHandlers)
? Template.asString([
`var chunkMapping = ${JSON.stringify(
chunkToModuleMapping,
null,
"\t"
)};`,
"var startedInstallModules = {};",
`${
RuntimeGlobals.ensureChunkHandlers
}.consumes = ${runtimeTemplate.basicFunction("chunkId, promises", [
`if(${RuntimeGlobals.hasOwnProperty}(chunkMapping, chunkId)) {`,
Template.indent([
`chunkMapping[chunkId].forEach(${runtimeTemplate.basicFunction(
"id",
[
`if(${RuntimeGlobals.hasOwnProperty}(installedModules, id)) return promises.push(installedModules[id]);`,
"if(!startedInstallModules[id]) {",
`var onFactory = ${runtimeTemplate.basicFunction(
"factory",
[
"installedModules[id] = 0;",
`${
RuntimeGlobals.moduleFactories
}[id] = ${runtimeTemplate.basicFunction("module", [
`delete ${RuntimeGlobals.moduleCache}[id];`,
"module.exports = factory();"
])}`
]
)};`,
"startedInstallModules[id] = true;",
`var onError = ${runtimeTemplate.basicFunction("error", [
"delete installedModules[id];",
`${
RuntimeGlobals.moduleFactories
}[id] = ${runtimeTemplate.basicFunction("module", [
`delete ${RuntimeGlobals.moduleCache}[id];`,
"throw error;"
])}`
])};`,
"try {",
Template.indent([
"var promise = moduleToHandlerMapping[id]();",
"if(promise.then) {",
Template.indent(
"promises.push(installedModules[id] = promise.then(onFactory)['catch'](onError));"
),
"} else onFactory(promise);"
]),
"} catch(e) { onError(e); }",
"}"
]
)});`
]),
"}"
])}`
])
: "// no chunk loading of consumes"
]);
}
}
module.exports = ConsumeSharedRuntimeModule;