diff options
Diffstat (limited to 'node_modules/webpack/lib/dependencies/HarmonyImportDependency.js')
| -rw-r--r-- | node_modules/webpack/lib/dependencies/HarmonyImportDependency.js | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js b/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js deleted file mode 100644 index b4a65530..00000000 --- a/node_modules/webpack/lib/dependencies/HarmonyImportDependency.js +++ /dev/null @@ -1,368 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const ConditionalInitFragment = require("../ConditionalInitFragment"); -const Dependency = require("../Dependency"); -const HarmonyLinkingError = require("../HarmonyLinkingError"); -const InitFragment = require("../InitFragment"); -const Template = require("../Template"); -const AwaitDependenciesInitFragment = require("../async-modules/AwaitDependenciesInitFragment"); -const { filterRuntime, mergeRuntime } = require("../util/runtime"); -const ModuleDependency = require("./ModuleDependency"); - -/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */ -/** @typedef {import("webpack-sources").Source} Source */ -/** @typedef {import("../ChunkGraph")} ChunkGraph */ -/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */ -/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */ -/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */ -/** @typedef {import("../Module")} Module */ -/** @typedef {import("../ModuleGraph")} ModuleGraph */ -/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */ -/** @typedef {import("../WebpackError")} WebpackError */ -/** @typedef {import("../javascript/JavascriptParser").Assertions} Assertions */ -/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */ -/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */ -/** @typedef {import("../util/Hash")} Hash */ -/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */ - -const ExportPresenceModes = { - NONE: /** @type {0} */ (0), - WARN: /** @type {1} */ (1), - AUTO: /** @type {2} */ (2), - ERROR: /** @type {3} */ (3), - fromUserOption(str) { - switch (str) { - case "error": - return ExportPresenceModes.ERROR; - case "warn": - return ExportPresenceModes.WARN; - case "auto": - return ExportPresenceModes.AUTO; - case false: - return ExportPresenceModes.NONE; - default: - throw new Error(`Invalid export presence value ${str}`); - } - } -}; - -class HarmonyImportDependency extends ModuleDependency { - /** - * - * @param {string} request request string - * @param {number} sourceOrder source order - * @param {Assertions=} assertions import assertions - */ - constructor(request, sourceOrder, assertions) { - super(request); - this.sourceOrder = sourceOrder; - this.assertions = assertions; - } - - get category() { - return "esm"; - } - - /** - * Returns list of exports referenced by this dependency - * @param {ModuleGraph} moduleGraph module graph - * @param {RuntimeSpec} runtime the runtime for which the module is analysed - * @returns {(string[] | ReferencedExport)[]} referenced exports - */ - getReferencedExports(moduleGraph, runtime) { - return Dependency.NO_EXPORTS_REFERENCED; - } - - /** - * @param {ModuleGraph} moduleGraph the module graph - * @returns {string} name of the variable for the import - */ - getImportVar(moduleGraph) { - const module = moduleGraph.getParentModule(this); - const meta = moduleGraph.getMeta(module); - let importVarMap = meta.importVarMap; - if (!importVarMap) meta.importVarMap = importVarMap = new Map(); - let importVar = importVarMap.get(moduleGraph.getModule(this)); - if (importVar) return importVar; - importVar = `${Template.toIdentifier( - `${this.userRequest}` - )}__WEBPACK_IMPORTED_MODULE_${importVarMap.size}__`; - importVarMap.set(moduleGraph.getModule(this), importVar); - return importVar; - } - - /** - * @param {boolean} update create new variables or update existing one - * @param {DependencyTemplateContext} templateContext the template context - * @returns {[string, string]} the import statement and the compat statement - */ - getImportStatement( - update, - { runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements } - ) { - return runtimeTemplate.importStatement({ - update, - module: moduleGraph.getModule(this), - chunkGraph, - importVar: this.getImportVar(moduleGraph), - request: this.request, - originModule: module, - runtimeRequirements - }); - } - - /** - * @param {ModuleGraph} moduleGraph module graph - * @param {string[]} ids imported ids - * @param {string} additionalMessage extra info included in the error message - * @returns {WebpackError[] | undefined} errors - */ - getLinkingErrors(moduleGraph, ids, additionalMessage) { - const importedModule = moduleGraph.getModule(this); - // ignore errors for missing or failed modules - if (!importedModule || importedModule.getNumberOfErrors() > 0) { - return; - } - - const parentModule = moduleGraph.getParentModule(this); - const exportsType = importedModule.getExportsType( - moduleGraph, - parentModule.buildMeta.strictHarmonyModule - ); - if (exportsType === "namespace" || exportsType === "default-with-named") { - if (ids.length === 0) { - return; - } - - if ( - (exportsType !== "default-with-named" || ids[0] !== "default") && - moduleGraph.isExportProvided(importedModule, ids) === false - ) { - // We are sure that it's not provided - - // Try to provide detailed info in the error message - let pos = 0; - let exportsInfo = moduleGraph.getExportsInfo(importedModule); - while (pos < ids.length && exportsInfo) { - const id = ids[pos++]; - const exportInfo = exportsInfo.getReadOnlyExportInfo(id); - if (exportInfo.provided === false) { - // We are sure that it's not provided - const providedExports = exportsInfo.getProvidedExports(); - const moreInfo = !Array.isArray(providedExports) - ? " (possible exports unknown)" - : providedExports.length === 0 - ? " (module has no exports)" - : ` (possible exports: ${providedExports.join(", ")})`; - return [ - new HarmonyLinkingError( - `export ${ids - .slice(0, pos) - .map(id => `'${id}'`) - .join(".")} ${additionalMessage} was not found in '${ - this.userRequest - }'${moreInfo}` - ) - ]; - } - exportsInfo = exportInfo.getNestedExportsInfo(); - } - - // General error message - return [ - new HarmonyLinkingError( - `export ${ids - .map(id => `'${id}'`) - .join(".")} ${additionalMessage} was not found in '${ - this.userRequest - }'` - ) - ]; - } - } - switch (exportsType) { - case "default-only": - // It's has only a default export - if (ids.length > 0 && ids[0] !== "default") { - // In strict harmony modules we only support the default export - return [ - new HarmonyLinkingError( - `Can't import the named export ${ids - .map(id => `'${id}'`) - .join( - "." - )} ${additionalMessage} from default-exporting module (only default export is available)` - ) - ]; - } - break; - case "default-with-named": - // It has a default export and named properties redirect - // In some cases we still want to warn here - if ( - ids.length > 0 && - ids[0] !== "default" && - importedModule.buildMeta.defaultObject === "redirect-warn" - ) { - // For these modules only the default export is supported - return [ - new HarmonyLinkingError( - `Should not import the named export ${ids - .map(id => `'${id}'`) - .join( - "." - )} ${additionalMessage} from default-exporting module (only default export is available soon)` - ) - ]; - } - break; - } - } - - /** - * @param {ObjectSerializerContext} context context - */ - serialize(context) { - const { write } = context; - write(this.sourceOrder); - write(this.assertions); - super.serialize(context); - } - - /** - * @param {ObjectDeserializerContext} context context - */ - deserialize(context) { - const { read } = context; - this.sourceOrder = read(); - this.assertions = read(); - super.deserialize(context); - } -} - -module.exports = HarmonyImportDependency; - -/** @type {WeakMap<Module, WeakMap<Module, RuntimeSpec | boolean>>} */ -const importEmittedMap = new WeakMap(); - -HarmonyImportDependency.Template = class HarmonyImportDependencyTemplate extends ( - ModuleDependency.Template -) { - /** - * @param {Dependency} dependency the dependency for which the template should be applied - * @param {ReplaceSource} source the current replace source which can be modified - * @param {DependencyTemplateContext} templateContext the context object - * @returns {void} - */ - apply(dependency, source, templateContext) { - const dep = /** @type {HarmonyImportDependency} */ (dependency); - const { module, chunkGraph, moduleGraph, runtime } = templateContext; - - const connection = moduleGraph.getConnection(dep); - if (connection && !connection.isTargetActive(runtime)) return; - - const referencedModule = connection && connection.module; - - if ( - connection && - connection.weak && - referencedModule && - chunkGraph.getModuleId(referencedModule) === null - ) { - // in weak references, module might not be in any chunk - // but that's ok, we don't need that logic in this case - return; - } - - const moduleKey = referencedModule - ? referencedModule.identifier() - : dep.request; - const key = `harmony import ${moduleKey}`; - - const runtimeCondition = dep.weak - ? false - : connection - ? filterRuntime(runtime, r => connection.isTargetActive(r)) - : true; - - if (module && referencedModule) { - let emittedModules = importEmittedMap.get(module); - if (emittedModules === undefined) { - emittedModules = new WeakMap(); - importEmittedMap.set(module, emittedModules); - } - let mergedRuntimeCondition = runtimeCondition; - const oldRuntimeCondition = emittedModules.get(referencedModule) || false; - if (oldRuntimeCondition !== false && mergedRuntimeCondition !== true) { - if (mergedRuntimeCondition === false || oldRuntimeCondition === true) { - mergedRuntimeCondition = oldRuntimeCondition; - } else { - mergedRuntimeCondition = mergeRuntime( - oldRuntimeCondition, - mergedRuntimeCondition - ); - } - } - emittedModules.set(referencedModule, mergedRuntimeCondition); - } - - const importStatement = dep.getImportStatement(false, templateContext); - if ( - referencedModule && - templateContext.moduleGraph.isAsync(referencedModule) - ) { - templateContext.initFragments.push( - new ConditionalInitFragment( - importStatement[0], - InitFragment.STAGE_HARMONY_IMPORTS, - dep.sourceOrder, - key, - runtimeCondition - ) - ); - templateContext.initFragments.push( - new AwaitDependenciesInitFragment( - new Set([dep.getImportVar(templateContext.moduleGraph)]) - ) - ); - templateContext.initFragments.push( - new ConditionalInitFragment( - importStatement[1], - InitFragment.STAGE_ASYNC_HARMONY_IMPORTS, - dep.sourceOrder, - key + " compat", - runtimeCondition - ) - ); - } else { - templateContext.initFragments.push( - new ConditionalInitFragment( - importStatement[0] + importStatement[1], - InitFragment.STAGE_HARMONY_IMPORTS, - dep.sourceOrder, - key, - runtimeCondition - ) - ); - } - } - - /** - * - * @param {Module} module the module - * @param {Module} referencedModule the referenced module - * @returns {RuntimeSpec | boolean} runtimeCondition in which this import has been emitted - */ - static getImportEmittedRuntime(module, referencedModule) { - const emittedModules = importEmittedMap.get(module); - if (emittedModules === undefined) return false; - return emittedModules.get(referencedModule) || false; - } -}; - -module.exports.ExportPresenceModes = ExportPresenceModes; |