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Diffstat (limited to 'node_modules/webpack/lib/RuntimeTemplate.js')
| -rw-r--r-- | node_modules/webpack/lib/RuntimeTemplate.js | 1059 |
1 files changed, 0 insertions, 1059 deletions
diff --git a/node_modules/webpack/lib/RuntimeTemplate.js b/node_modules/webpack/lib/RuntimeTemplate.js deleted file mode 100644 index e4b6a141..00000000 --- a/node_modules/webpack/lib/RuntimeTemplate.js +++ /dev/null @@ -1,1059 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const InitFragment = require("./InitFragment"); -const RuntimeGlobals = require("./RuntimeGlobals"); -const Template = require("./Template"); -const { equals } = require("./util/ArrayHelpers"); -const compileBooleanMatcher = require("./util/compileBooleanMatcher"); -const propertyAccess = require("./util/propertyAccess"); -const { forEachRuntime, subtractRuntime } = require("./util/runtime"); - -/** @typedef {import("../declarations/WebpackOptions").OutputNormalized} OutputOptions */ -/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */ -/** @typedef {import("./ChunkGraph")} ChunkGraph */ -/** @typedef {import("./CodeGenerationResults")} CodeGenerationResults */ -/** @typedef {import("./Compilation")} Compilation */ -/** @typedef {import("./Dependency")} Dependency */ -/** @typedef {import("./Module")} Module */ -/** @typedef {import("./ModuleGraph")} ModuleGraph */ -/** @typedef {import("./RequestShortener")} RequestShortener */ -/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */ - -/** - * @param {Module} module the module - * @param {ChunkGraph} chunkGraph the chunk graph - * @returns {string} error message - */ -const noModuleIdErrorMessage = (module, chunkGraph) => { - return `Module ${module.identifier()} has no id assigned. -This should not happen. -It's in these chunks: ${ - Array.from( - chunkGraph.getModuleChunksIterable(module), - c => c.name || c.id || c.debugId - ).join(", ") || "none" - } (If module is in no chunk this indicates a bug in some chunk/module optimization logic) -Module has these incoming connections: ${Array.from( - chunkGraph.moduleGraph.getIncomingConnections(module), - connection => - `\n - ${ - connection.originModule && connection.originModule.identifier() - } ${connection.dependency && connection.dependency.type} ${ - (connection.explanations && - Array.from(connection.explanations).join(", ")) || - "" - }` - ).join("")}`; -}; - -/** - * @param {string|undefined} definition global object definition - * @returns {string} save to use global object - */ -function getGlobalObject(definition) { - if (!definition) return definition; - const trimmed = definition.trim(); - - if ( - // identifier, we do not need real identifier regarding ECMAScript/Unicode - trimmed.match(/^[_\p{L}][_0-9\p{L}]*$/iu) || - // iife - // call expression - // expression in parentheses - trimmed.match(/^([_\p{L}][_0-9\p{L}]*)?\(.*\)$/iu) - ) - return trimmed; - - return `Object(${trimmed})`; -} - -class RuntimeTemplate { - /** - * @param {Compilation} compilation the compilation - * @param {OutputOptions} outputOptions the compilation output options - * @param {RequestShortener} requestShortener the request shortener - */ - constructor(compilation, outputOptions, requestShortener) { - this.compilation = compilation; - this.outputOptions = outputOptions || {}; - this.requestShortener = requestShortener; - this.globalObject = getGlobalObject(outputOptions.globalObject); - this.contentHashReplacement = "X".repeat(outputOptions.hashDigestLength); - } - - isIIFE() { - return this.outputOptions.iife; - } - - isModule() { - return this.outputOptions.module; - } - - supportsConst() { - return this.outputOptions.environment.const; - } - - supportsArrowFunction() { - return this.outputOptions.environment.arrowFunction; - } - - supportsOptionalChaining() { - return this.outputOptions.environment.optionalChaining; - } - - supportsForOf() { - return this.outputOptions.environment.forOf; - } - - supportsDestructuring() { - return this.outputOptions.environment.destructuring; - } - - supportsBigIntLiteral() { - return this.outputOptions.environment.bigIntLiteral; - } - - supportsDynamicImport() { - return this.outputOptions.environment.dynamicImport; - } - - supportsEcmaScriptModuleSyntax() { - return this.outputOptions.environment.module; - } - - supportTemplateLiteral() { - return this.outputOptions.environment.templateLiteral; - } - - returningFunction(returnValue, args = "") { - return this.supportsArrowFunction() - ? `(${args}) => (${returnValue})` - : `function(${args}) { return ${returnValue}; }`; - } - - basicFunction(args, body) { - return this.supportsArrowFunction() - ? `(${args}) => {\n${Template.indent(body)}\n}` - : `function(${args}) {\n${Template.indent(body)}\n}`; - } - - /** - * @param {Array<string|{expr: string}>} args args - * @returns {string} result expression - */ - concatenation(...args) { - const len = args.length; - - if (len === 2) return this._es5Concatenation(args); - if (len === 0) return '""'; - if (len === 1) { - return typeof args[0] === "string" - ? JSON.stringify(args[0]) - : `"" + ${args[0].expr}`; - } - if (!this.supportTemplateLiteral()) return this._es5Concatenation(args); - - // cost comparison between template literal and concatenation: - // both need equal surroundings: `xxx` vs "xxx" - // template literal has constant cost of 3 chars for each expression - // es5 concatenation has cost of 3 + n chars for n expressions in row - // when a es5 concatenation ends with an expression it reduces cost by 3 - // when a es5 concatenation starts with an single expression it reduces cost by 3 - // e. g. `${a}${b}${c}` (3*3 = 9) is longer than ""+a+b+c ((3+3)-3 = 3) - // e. g. `x${a}x${b}x${c}x` (3*3 = 9) is shorter than "x"+a+"x"+b+"x"+c+"x" (4+4+4 = 12) - - let templateCost = 0; - let concatenationCost = 0; - - let lastWasExpr = false; - for (const arg of args) { - const isExpr = typeof arg !== "string"; - if (isExpr) { - templateCost += 3; - concatenationCost += lastWasExpr ? 1 : 4; - } - lastWasExpr = isExpr; - } - if (lastWasExpr) concatenationCost -= 3; - if (typeof args[0] !== "string" && typeof args[1] === "string") - concatenationCost -= 3; - - if (concatenationCost <= templateCost) return this._es5Concatenation(args); - - return `\`${args - .map(arg => (typeof arg === "string" ? arg : `\${${arg.expr}}`)) - .join("")}\``; - } - - /** - * @param {Array<string|{expr: string}>} args args (len >= 2) - * @returns {string} result expression - * @private - */ - _es5Concatenation(args) { - const str = args - .map(arg => (typeof arg === "string" ? JSON.stringify(arg) : arg.expr)) - .join(" + "); - - // when the first two args are expression, we need to prepend "" + to force string - // concatenation instead of number addition. - return typeof args[0] !== "string" && typeof args[1] !== "string" - ? `"" + ${str}` - : str; - } - - expressionFunction(expression, args = "") { - return this.supportsArrowFunction() - ? `(${args}) => (${expression})` - : `function(${args}) { ${expression}; }`; - } - - emptyFunction() { - return this.supportsArrowFunction() ? "x => {}" : "function() {}"; - } - - destructureArray(items, value) { - return this.supportsDestructuring() - ? `var [${items.join(", ")}] = ${value};` - : Template.asString( - items.map((item, i) => `var ${item} = ${value}[${i}];`) - ); - } - - destructureObject(items, value) { - return this.supportsDestructuring() - ? `var {${items.join(", ")}} = ${value};` - : Template.asString( - items.map(item => `var ${item} = ${value}${propertyAccess([item])};`) - ); - } - - iife(args, body) { - return `(${this.basicFunction(args, body)})()`; - } - - forEach(variable, array, body) { - return this.supportsForOf() - ? `for(const ${variable} of ${array}) {\n${Template.indent(body)}\n}` - : `${array}.forEach(function(${variable}) {\n${Template.indent( - body - )}\n});`; - } - - /** - * Add a comment - * @param {object} options Information content of the comment - * @param {string=} options.request request string used originally - * @param {string=} options.chunkName name of the chunk referenced - * @param {string=} options.chunkReason reason information of the chunk - * @param {string=} options.message additional message - * @param {string=} options.exportName name of the export - * @returns {string} comment - */ - comment({ request, chunkName, chunkReason, message, exportName }) { - let content; - if (this.outputOptions.pathinfo) { - content = [message, request, chunkName, chunkReason] - .filter(Boolean) - .map(item => this.requestShortener.shorten(item)) - .join(" | "); - } else { - content = [message, chunkName, chunkReason] - .filter(Boolean) - .map(item => this.requestShortener.shorten(item)) - .join(" | "); - } - if (!content) return ""; - if (this.outputOptions.pathinfo) { - return Template.toComment(content) + " "; - } else { - return Template.toNormalComment(content) + " "; - } - } - - /** - * @param {object} options generation options - * @param {string=} options.request request string used originally - * @returns {string} generated error block - */ - throwMissingModuleErrorBlock({ request }) { - const err = `Cannot find module '${request}'`; - return `var e = new Error(${JSON.stringify( - err - )}); e.code = 'MODULE_NOT_FOUND'; throw e;`; - } - - /** - * @param {object} options generation options - * @param {string=} options.request request string used originally - * @returns {string} generated error function - */ - throwMissingModuleErrorFunction({ request }) { - return `function webpackMissingModule() { ${this.throwMissingModuleErrorBlock( - { request } - )} }`; - } - - /** - * @param {object} options generation options - * @param {string=} options.request request string used originally - * @returns {string} generated error IIFE - */ - missingModule({ request }) { - return `Object(${this.throwMissingModuleErrorFunction({ request })}())`; - } - - /** - * @param {object} options generation options - * @param {string=} options.request request string used originally - * @returns {string} generated error statement - */ - missingModuleStatement({ request }) { - return `${this.missingModule({ request })};\n`; - } - - /** - * @param {object} options generation options - * @param {string=} options.request request string used originally - * @returns {string} generated error code - */ - missingModulePromise({ request }) { - return `Promise.resolve().then(${this.throwMissingModuleErrorFunction({ - request - })})`; - } - - /** - * @param {Object} options options object - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {Module} options.module the module - * @param {string} options.request the request that should be printed as comment - * @param {string=} options.idExpr expression to use as id expression - * @param {"expression" | "promise" | "statements"} options.type which kind of code should be returned - * @returns {string} the code - */ - weakError({ module, chunkGraph, request, idExpr, type }) { - const moduleId = chunkGraph.getModuleId(module); - const errorMessage = - moduleId === null - ? JSON.stringify("Module is not available (weak dependency)") - : idExpr - ? `"Module '" + ${idExpr} + "' is not available (weak dependency)"` - : JSON.stringify( - `Module '${moduleId}' is not available (weak dependency)` - ); - const comment = request ? Template.toNormalComment(request) + " " : ""; - const errorStatements = - `var e = new Error(${errorMessage}); ` + - comment + - "e.code = 'MODULE_NOT_FOUND'; throw e;"; - switch (type) { - case "statements": - return errorStatements; - case "promise": - return `Promise.resolve().then(${this.basicFunction( - "", - errorStatements - )})`; - case "expression": - return this.iife("", errorStatements); - } - } - - /** - * @param {Object} options options object - * @param {Module} options.module the module - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {string} options.request the request that should be printed as comment - * @param {boolean=} options.weak if the dependency is weak (will create a nice error message) - * @returns {string} the expression - */ - moduleId({ module, chunkGraph, request, weak }) { - if (!module) { - return this.missingModule({ - request - }); - } - const moduleId = chunkGraph.getModuleId(module); - if (moduleId === null) { - if (weak) { - return "null /* weak dependency, without id */"; - } - throw new Error( - `RuntimeTemplate.moduleId(): ${noModuleIdErrorMessage( - module, - chunkGraph - )}` - ); - } - return `${this.comment({ request })}${JSON.stringify(moduleId)}`; - } - - /** - * @param {Object} options options object - * @param {Module | null} options.module the module - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {string} options.request the request that should be printed as comment - * @param {boolean=} options.weak if the dependency is weak (will create a nice error message) - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} the expression - */ - moduleRaw({ module, chunkGraph, request, weak, runtimeRequirements }) { - if (!module) { - return this.missingModule({ - request - }); - } - const moduleId = chunkGraph.getModuleId(module); - if (moduleId === null) { - if (weak) { - // only weak referenced modules don't get an id - // we can always emit an error emitting code here - return this.weakError({ - module, - chunkGraph, - request, - type: "expression" - }); - } - throw new Error( - `RuntimeTemplate.moduleId(): ${noModuleIdErrorMessage( - module, - chunkGraph - )}` - ); - } - runtimeRequirements.add(RuntimeGlobals.require); - return `${RuntimeGlobals.require}(${this.moduleId({ - module, - chunkGraph, - request, - weak - })})`; - } - - /** - * @param {Object} options options object - * @param {Module | null} options.module the module - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {string} options.request the request that should be printed as comment - * @param {boolean=} options.weak if the dependency is weak (will create a nice error message) - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} the expression - */ - moduleExports({ module, chunkGraph, request, weak, runtimeRequirements }) { - return this.moduleRaw({ - module, - chunkGraph, - request, - weak, - runtimeRequirements - }); - } - - /** - * @param {Object} options options object - * @param {Module} options.module the module - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {string} options.request the request that should be printed as comment - * @param {boolean=} options.strict if the current module is in strict esm mode - * @param {boolean=} options.weak if the dependency is weak (will create a nice error message) - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} the expression - */ - moduleNamespace({ - module, - chunkGraph, - request, - strict, - weak, - runtimeRequirements - }) { - if (!module) { - return this.missingModule({ - request - }); - } - if (chunkGraph.getModuleId(module) === null) { - if (weak) { - // only weak referenced modules don't get an id - // we can always emit an error emitting code here - return this.weakError({ - module, - chunkGraph, - request, - type: "expression" - }); - } - throw new Error( - `RuntimeTemplate.moduleNamespace(): ${noModuleIdErrorMessage( - module, - chunkGraph - )}` - ); - } - const moduleId = this.moduleId({ - module, - chunkGraph, - request, - weak - }); - const exportsType = module.getExportsType(chunkGraph.moduleGraph, strict); - switch (exportsType) { - case "namespace": - return this.moduleRaw({ - module, - chunkGraph, - request, - weak, - runtimeRequirements - }); - case "default-with-named": - runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject); - return `${RuntimeGlobals.createFakeNamespaceObject}(${moduleId}, 3)`; - case "default-only": - runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject); - return `${RuntimeGlobals.createFakeNamespaceObject}(${moduleId}, 1)`; - case "dynamic": - runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject); - return `${RuntimeGlobals.createFakeNamespaceObject}(${moduleId}, 7)`; - } - } - - /** - * @param {Object} options options object - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {AsyncDependenciesBlock=} options.block the current dependencies block - * @param {Module} options.module the module - * @param {string} options.request the request that should be printed as comment - * @param {string} options.message a message for the comment - * @param {boolean=} options.strict if the current module is in strict esm mode - * @param {boolean=} options.weak if the dependency is weak (will create a nice error message) - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} the promise expression - */ - moduleNamespacePromise({ - chunkGraph, - block, - module, - request, - message, - strict, - weak, - runtimeRequirements - }) { - if (!module) { - return this.missingModulePromise({ - request - }); - } - const moduleId = chunkGraph.getModuleId(module); - if (moduleId === null) { - if (weak) { - // only weak referenced modules don't get an id - // we can always emit an error emitting code here - return this.weakError({ - module, - chunkGraph, - request, - type: "promise" - }); - } - throw new Error( - `RuntimeTemplate.moduleNamespacePromise(): ${noModuleIdErrorMessage( - module, - chunkGraph - )}` - ); - } - const promise = this.blockPromise({ - chunkGraph, - block, - message, - runtimeRequirements - }); - - let appending; - let idExpr = JSON.stringify(chunkGraph.getModuleId(module)); - const comment = this.comment({ - request - }); - let header = ""; - if (weak) { - if (idExpr.length > 8) { - // 'var x="nnnnnn";x,"+x+",x' vs '"nnnnnn",nnnnnn,"nnnnnn"' - header += `var id = ${idExpr}; `; - idExpr = "id"; - } - runtimeRequirements.add(RuntimeGlobals.moduleFactories); - header += `if(!${ - RuntimeGlobals.moduleFactories - }[${idExpr}]) { ${this.weakError({ - module, - chunkGraph, - request, - idExpr, - type: "statements" - })} } `; - } - const moduleIdExpr = this.moduleId({ - module, - chunkGraph, - request, - weak - }); - const exportsType = module.getExportsType(chunkGraph.moduleGraph, strict); - let fakeType = 16; - switch (exportsType) { - case "namespace": - if (header) { - const rawModule = this.moduleRaw({ - module, - chunkGraph, - request, - weak, - runtimeRequirements - }); - appending = `.then(${this.basicFunction( - "", - `${header}return ${rawModule};` - )})`; - } else { - runtimeRequirements.add(RuntimeGlobals.require); - appending = `.then(${RuntimeGlobals.require}.bind(${RuntimeGlobals.require}, ${comment}${idExpr}))`; - } - break; - case "dynamic": - fakeType |= 4; - /* fall through */ - case "default-with-named": - fakeType |= 2; - /* fall through */ - case "default-only": - runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject); - if (chunkGraph.moduleGraph.isAsync(module)) { - if (header) { - const rawModule = this.moduleRaw({ - module, - chunkGraph, - request, - weak, - runtimeRequirements - }); - appending = `.then(${this.basicFunction( - "", - `${header}return ${rawModule};` - )})`; - } else { - runtimeRequirements.add(RuntimeGlobals.require); - appending = `.then(${RuntimeGlobals.require}.bind(${RuntimeGlobals.require}, ${comment}${idExpr}))`; - } - appending += `.then(${this.returningFunction( - `${RuntimeGlobals.createFakeNamespaceObject}(m, ${fakeType})`, - "m" - )})`; - } else { - fakeType |= 1; - if (header) { - const returnExpression = `${RuntimeGlobals.createFakeNamespaceObject}(${moduleIdExpr}, ${fakeType})`; - appending = `.then(${this.basicFunction( - "", - `${header}return ${returnExpression};` - )})`; - } else { - appending = `.then(${RuntimeGlobals.createFakeNamespaceObject}.bind(${RuntimeGlobals.require}, ${comment}${idExpr}, ${fakeType}))`; - } - } - break; - } - - return `${promise || "Promise.resolve()"}${appending}`; - } - - /** - * @param {Object} options options object - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {RuntimeSpec=} options.runtime runtime for which this code will be generated - * @param {RuntimeSpec | boolean=} options.runtimeCondition only execute the statement in some runtimes - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} expression - */ - runtimeConditionExpression({ - chunkGraph, - runtimeCondition, - runtime, - runtimeRequirements - }) { - if (runtimeCondition === undefined) return "true"; - if (typeof runtimeCondition === "boolean") return `${runtimeCondition}`; - /** @type {Set<string>} */ - const positiveRuntimeIds = new Set(); - forEachRuntime(runtimeCondition, runtime => - positiveRuntimeIds.add(`${chunkGraph.getRuntimeId(runtime)}`) - ); - /** @type {Set<string>} */ - const negativeRuntimeIds = new Set(); - forEachRuntime(subtractRuntime(runtime, runtimeCondition), runtime => - negativeRuntimeIds.add(`${chunkGraph.getRuntimeId(runtime)}`) - ); - runtimeRequirements.add(RuntimeGlobals.runtimeId); - return compileBooleanMatcher.fromLists( - Array.from(positiveRuntimeIds), - Array.from(negativeRuntimeIds) - )(RuntimeGlobals.runtimeId); - } - - /** - * - * @param {Object} options options object - * @param {boolean=} options.update whether a new variable should be created or the existing one updated - * @param {Module} options.module the module - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {string} options.request the request that should be printed as comment - * @param {string} options.importVar name of the import variable - * @param {Module} options.originModule module in which the statement is emitted - * @param {boolean=} options.weak true, if this is a weak dependency - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {[string, string]} the import statement and the compat statement - */ - importStatement({ - update, - module, - chunkGraph, - request, - importVar, - originModule, - weak, - runtimeRequirements - }) { - if (!module) { - return [ - this.missingModuleStatement({ - request - }), - "" - ]; - } - if (chunkGraph.getModuleId(module) === null) { - if (weak) { - // only weak referenced modules don't get an id - // we can always emit an error emitting code here - return [ - this.weakError({ - module, - chunkGraph, - request, - type: "statements" - }), - "" - ]; - } - throw new Error( - `RuntimeTemplate.importStatement(): ${noModuleIdErrorMessage( - module, - chunkGraph - )}` - ); - } - const moduleId = this.moduleId({ - module, - chunkGraph, - request, - weak - }); - const optDeclaration = update ? "" : "var "; - - const exportsType = module.getExportsType( - chunkGraph.moduleGraph, - originModule.buildMeta.strictHarmonyModule - ); - runtimeRequirements.add(RuntimeGlobals.require); - const importContent = `/* harmony import */ ${optDeclaration}${importVar} = ${RuntimeGlobals.require}(${moduleId});\n`; - - if (exportsType === "dynamic") { - runtimeRequirements.add(RuntimeGlobals.compatGetDefaultExport); - return [ - importContent, - `/* harmony import */ ${optDeclaration}${importVar}_default = /*#__PURE__*/${RuntimeGlobals.compatGetDefaultExport}(${importVar});\n` - ]; - } - return [importContent, ""]; - } - - /** - * @param {Object} options options - * @param {ModuleGraph} options.moduleGraph the module graph - * @param {Module} options.module the module - * @param {string} options.request the request - * @param {string | string[]} options.exportName the export name - * @param {Module} options.originModule the origin module - * @param {boolean|undefined} options.asiSafe true, if location is safe for ASI, a bracket can be emitted - * @param {boolean} options.isCall true, if expression will be called - * @param {boolean | null} options.callContext when false, call context will not be preserved - * @param {boolean} options.defaultInterop when true and accessing the default exports, interop code will be generated - * @param {string} options.importVar the identifier name of the import variable - * @param {InitFragment<TODO>[]} options.initFragments init fragments will be added here - * @param {RuntimeSpec} options.runtime runtime for which this code will be generated - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} expression - */ - exportFromImport({ - moduleGraph, - module, - request, - exportName, - originModule, - asiSafe, - isCall, - callContext, - defaultInterop, - importVar, - initFragments, - runtime, - runtimeRequirements - }) { - if (!module) { - return this.missingModule({ - request - }); - } - if (!Array.isArray(exportName)) { - exportName = exportName ? [exportName] : []; - } - const exportsType = module.getExportsType( - moduleGraph, - originModule.buildMeta.strictHarmonyModule - ); - - if (defaultInterop) { - if (exportName.length > 0 && exportName[0] === "default") { - switch (exportsType) { - case "dynamic": - if (isCall) { - return `${importVar}_default()${propertyAccess(exportName, 1)}`; - } else { - return asiSafe - ? `(${importVar}_default()${propertyAccess(exportName, 1)})` - : asiSafe === false - ? `;(${importVar}_default()${propertyAccess(exportName, 1)})` - : `${importVar}_default.a${propertyAccess(exportName, 1)}`; - } - case "default-only": - case "default-with-named": - exportName = exportName.slice(1); - break; - } - } else if (exportName.length > 0) { - if (exportsType === "default-only") { - return ( - "/* non-default import from non-esm module */undefined" + - propertyAccess(exportName, 1) - ); - } else if ( - exportsType !== "namespace" && - exportName[0] === "__esModule" - ) { - return "/* __esModule */true"; - } - } else if ( - exportsType === "default-only" || - exportsType === "default-with-named" - ) { - runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject); - initFragments.push( - new InitFragment( - `var ${importVar}_namespace_cache;\n`, - InitFragment.STAGE_CONSTANTS, - -1, - `${importVar}_namespace_cache` - ) - ); - return `/*#__PURE__*/ ${ - asiSafe ? "" : asiSafe === false ? ";" : "Object" - }(${importVar}_namespace_cache || (${importVar}_namespace_cache = ${ - RuntimeGlobals.createFakeNamespaceObject - }(${importVar}${exportsType === "default-only" ? "" : ", 2"})))`; - } - } - - if (exportName.length > 0) { - const exportsInfo = moduleGraph.getExportsInfo(module); - const used = exportsInfo.getUsedName(exportName, runtime); - if (!used) { - const comment = Template.toNormalComment( - `unused export ${propertyAccess(exportName)}` - ); - return `${comment} undefined`; - } - const comment = equals(used, exportName) - ? "" - : Template.toNormalComment(propertyAccess(exportName)) + " "; - const access = `${importVar}${comment}${propertyAccess(used)}`; - if (isCall && callContext === false) { - return asiSafe - ? `(0,${access})` - : asiSafe === false - ? `;(0,${access})` - : `/*#__PURE__*/Object(${access})`; - } - return access; - } else { - return importVar; - } - } - - /** - * @param {Object} options options - * @param {AsyncDependenciesBlock} options.block the async block - * @param {string} options.message the message - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} expression - */ - blockPromise({ block, message, chunkGraph, runtimeRequirements }) { - if (!block) { - const comment = this.comment({ - message - }); - return `Promise.resolve(${comment.trim()})`; - } - const chunkGroup = chunkGraph.getBlockChunkGroup(block); - if (!chunkGroup || chunkGroup.chunks.length === 0) { - const comment = this.comment({ - message - }); - return `Promise.resolve(${comment.trim()})`; - } - const chunks = chunkGroup.chunks.filter( - chunk => !chunk.hasRuntime() && chunk.id !== null - ); - const comment = this.comment({ - message, - chunkName: block.chunkName - }); - if (chunks.length === 1) { - const chunkId = JSON.stringify(chunks[0].id); - runtimeRequirements.add(RuntimeGlobals.ensureChunk); - - const fetchPriority = chunkGroup.options.fetchPriority; - - if (fetchPriority) { - runtimeRequirements.add(RuntimeGlobals.hasFetchPriority); - } - - return `${RuntimeGlobals.ensureChunk}(${comment}${chunkId}${ - fetchPriority ? `, ${JSON.stringify(fetchPriority)}` : "" - })`; - } else if (chunks.length > 0) { - runtimeRequirements.add(RuntimeGlobals.ensureChunk); - - const fetchPriority = chunkGroup.options.fetchPriority; - - if (fetchPriority) { - runtimeRequirements.add(RuntimeGlobals.hasFetchPriority); - } - - const requireChunkId = chunk => - `${RuntimeGlobals.ensureChunk}(${JSON.stringify(chunk.id)}${ - fetchPriority ? `, ${JSON.stringify(fetchPriority)}` : "" - })`; - return `Promise.all(${comment.trim()}[${chunks - .map(requireChunkId) - .join(", ")}])`; - } else { - return `Promise.resolve(${comment.trim()})`; - } - } - - /** - * @param {Object} options options - * @param {AsyncDependenciesBlock} options.block the async block - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @param {string=} options.request request string used originally - * @returns {string} expression - */ - asyncModuleFactory({ block, chunkGraph, runtimeRequirements, request }) { - const dep = block.dependencies[0]; - const module = chunkGraph.moduleGraph.getModule(dep); - const ensureChunk = this.blockPromise({ - block, - message: "", - chunkGraph, - runtimeRequirements - }); - const factory = this.returningFunction( - this.moduleRaw({ - module, - chunkGraph, - request, - runtimeRequirements - }) - ); - return this.returningFunction( - ensureChunk.startsWith("Promise.resolve(") - ? `${factory}` - : `${ensureChunk}.then(${this.returningFunction(factory)})` - ); - } - - /** - * @param {Object} options options - * @param {Dependency} options.dependency the dependency - * @param {ChunkGraph} options.chunkGraph the chunk graph - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @param {string=} options.request request string used originally - * @returns {string} expression - */ - syncModuleFactory({ dependency, chunkGraph, runtimeRequirements, request }) { - const module = chunkGraph.moduleGraph.getModule(dependency); - const factory = this.returningFunction( - this.moduleRaw({ - module, - chunkGraph, - request, - runtimeRequirements - }) - ); - return this.returningFunction(factory); - } - - /** - * @param {Object} options options - * @param {string} options.exportsArgument the name of the exports object - * @param {Set<string>} options.runtimeRequirements if set, will be filled with runtime requirements - * @returns {string} statement - */ - defineEsModuleFlagStatement({ exportsArgument, runtimeRequirements }) { - runtimeRequirements.add(RuntimeGlobals.makeNamespaceObject); - runtimeRequirements.add(RuntimeGlobals.exports); - return `${RuntimeGlobals.makeNamespaceObject}(${exportsArgument});\n`; - } - - /** - * @param {Object} options options object - * @param {Module} options.module the module - * @param {string} options.publicPath the public path - * @param {RuntimeSpec=} options.runtime runtime - * @param {CodeGenerationResults} options.codeGenerationResults the code generation results - * @returns {string} the url of the asset - */ - assetUrl({ publicPath, runtime, module, codeGenerationResults }) { - if (!module) { - return "data:,"; - } - const codeGen = codeGenerationResults.get(module, runtime); - const { data } = codeGen; - const url = data.get("url"); - if (url) return url.toString(); - const filename = data.get("filename"); - return publicPath + filename; - } -} - -module.exports = RuntimeTemplate; |