941 lines
28 KiB
JavaScript
941 lines
28 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { OriginalSource, RawSource } = require("webpack-sources");
|
|
const ConcatenationScope = require("./ConcatenationScope");
|
|
const EnvironmentNotSupportAsyncWarning = require("./EnvironmentNotSupportAsyncWarning");
|
|
const { UsageState } = require("./ExportsInfo");
|
|
const InitFragment = require("./InitFragment");
|
|
const Module = require("./Module");
|
|
const { JAVASCRIPT_MODULE_TYPE_DYNAMIC } = require("./ModuleTypeConstants");
|
|
const RuntimeGlobals = require("./RuntimeGlobals");
|
|
const Template = require("./Template");
|
|
const StaticExportsDependency = require("./dependencies/StaticExportsDependency");
|
|
const createHash = require("./util/createHash");
|
|
const extractUrlAndGlobal = require("./util/extractUrlAndGlobal");
|
|
const makeSerializable = require("./util/makeSerializable");
|
|
const propertyAccess = require("./util/propertyAccess");
|
|
const { register } = require("./util/serialization");
|
|
|
|
/** @typedef {import("webpack-sources").Source} Source */
|
|
/** @typedef {import("../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
|
|
/** @typedef {import("./Chunk")} Chunk */
|
|
/** @typedef {import("./ChunkGraph")} ChunkGraph */
|
|
/** @typedef {import("./Compilation")} Compilation */
|
|
/** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
|
|
/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
|
|
/** @typedef {import("./ExportsInfo")} ExportsInfo */
|
|
/** @typedef {import("./Generator").GenerateContext} GenerateContext */
|
|
/** @typedef {import("./Module").BuildInfo} BuildInfo */
|
|
/** @typedef {import("./Module").CodeGenerationContext} CodeGenerationContext */
|
|
/** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
|
|
/** @typedef {import("./Module").ConcatenationBailoutReasonContext} ConcatenationBailoutReasonContext */
|
|
/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
|
|
/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
|
|
/** @typedef {import("./Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
|
|
/** @typedef {import("./Module").SourceTypes} SourceTypes */
|
|
/** @typedef {import("./ModuleGraph")} ModuleGraph */
|
|
/** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
|
|
/** @typedef {import("./RequestShortener")} RequestShortener */
|
|
/** @typedef {import("./ResolverFactory").ResolverWithOptions} ResolverWithOptions */
|
|
/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
|
|
/** @typedef {import("./WebpackError")} WebpackError */
|
|
/** @typedef {import("./javascript/JavascriptModulesPlugin").ChunkRenderContext} ChunkRenderContext */
|
|
/** @typedef {import("./javascript/JavascriptParser").ImportAttributes} ImportAttributes */
|
|
/** @typedef {import("./serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
|
|
/** @typedef {import("./serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
|
|
/** @typedef {import("./util/Hash")} Hash */
|
|
/** @typedef {typeof import("./util/Hash")} HashConstructor */
|
|
/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
|
|
/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
|
|
|
|
/** @typedef {{ attributes?: ImportAttributes }} ImportDependencyMeta */
|
|
/** @typedef {{ layer?: string, supports?: string, media?: string }} CssImportDependencyMeta */
|
|
|
|
/** @typedef {ImportDependencyMeta | CssImportDependencyMeta} DependencyMeta */
|
|
|
|
/**
|
|
* @typedef {object} SourceData
|
|
* @property {boolean=} iife
|
|
* @property {string=} init
|
|
* @property {string} expression
|
|
* @property {InitFragment<ChunkRenderContext>[]=} chunkInitFragments
|
|
* @property {ReadOnlyRuntimeRequirements=} runtimeRequirements
|
|
*/
|
|
|
|
const TYPES = new Set(["javascript"]);
|
|
const CSS_TYPES = new Set(["css-import"]);
|
|
const RUNTIME_REQUIREMENTS = new Set([RuntimeGlobals.module]);
|
|
const RUNTIME_REQUIREMENTS_FOR_SCRIPT = new Set([RuntimeGlobals.loadScript]);
|
|
const RUNTIME_REQUIREMENTS_FOR_MODULE = new Set([
|
|
RuntimeGlobals.definePropertyGetters
|
|
]);
|
|
const EMPTY_RUNTIME_REQUIREMENTS = new Set([]);
|
|
|
|
/**
|
|
* @param {string|string[]} variableName the variable name or path
|
|
* @param {string} type the module system
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForGlobalVariableExternal = (variableName, type) => {
|
|
if (!Array.isArray(variableName)) {
|
|
// make it an array as the look up works the same basically
|
|
variableName = [variableName];
|
|
}
|
|
|
|
// needed for e.g. window["some"]["thing"]
|
|
const objectLookup = variableName.map(r => `[${JSON.stringify(r)}]`).join("");
|
|
return {
|
|
iife: type === "this",
|
|
expression: `${type}${objectLookup}`
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string|string[]} moduleAndSpecifiers the module request
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForCommonJsExternal = moduleAndSpecifiers => {
|
|
if (!Array.isArray(moduleAndSpecifiers)) {
|
|
return {
|
|
expression: `require(${JSON.stringify(moduleAndSpecifiers)})`
|
|
};
|
|
}
|
|
const moduleName = moduleAndSpecifiers[0];
|
|
return {
|
|
expression: `require(${JSON.stringify(moduleName)})${propertyAccess(
|
|
moduleAndSpecifiers,
|
|
1
|
|
)}`
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string|string[]} moduleAndSpecifiers the module request
|
|
* @param {string} importMetaName import.meta name
|
|
* @param {boolean} needPrefix need to use `node:` prefix for `module` import
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForCommonJsExternalInNodeModule = (
|
|
moduleAndSpecifiers,
|
|
importMetaName,
|
|
needPrefix
|
|
) => {
|
|
const chunkInitFragments = [
|
|
new InitFragment(
|
|
`import { createRequire as __WEBPACK_EXTERNAL_createRequire } from "${
|
|
needPrefix ? "node:" : ""
|
|
}module";\n`,
|
|
InitFragment.STAGE_HARMONY_IMPORTS,
|
|
0,
|
|
"external module node-commonjs"
|
|
)
|
|
];
|
|
if (!Array.isArray(moduleAndSpecifiers)) {
|
|
return {
|
|
chunkInitFragments,
|
|
expression: `__WEBPACK_EXTERNAL_createRequire(${importMetaName}.url)(${JSON.stringify(
|
|
moduleAndSpecifiers
|
|
)})`
|
|
};
|
|
}
|
|
const moduleName = moduleAndSpecifiers[0];
|
|
return {
|
|
chunkInitFragments,
|
|
expression: `__WEBPACK_EXTERNAL_createRequire(${importMetaName}.url)(${JSON.stringify(
|
|
moduleName
|
|
)})${propertyAccess(moduleAndSpecifiers, 1)}`
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string|string[]} moduleAndSpecifiers the module request
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @param {ImportDependencyMeta=} dependencyMeta the dependency meta
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForImportExternal = (
|
|
moduleAndSpecifiers,
|
|
runtimeTemplate,
|
|
dependencyMeta
|
|
) => {
|
|
const importName = runtimeTemplate.outputOptions.importFunctionName;
|
|
if (!runtimeTemplate.supportsDynamicImport() && importName === "import") {
|
|
throw new Error(
|
|
"The target environment doesn't support 'import()' so it's not possible to use external type 'import'"
|
|
);
|
|
}
|
|
const attributes =
|
|
dependencyMeta && dependencyMeta.attributes
|
|
? dependencyMeta.attributes._isLegacyAssert
|
|
? `, { assert: ${JSON.stringify(
|
|
dependencyMeta.attributes,
|
|
importAssertionReplacer
|
|
)} }`
|
|
: `, { with: ${JSON.stringify(dependencyMeta.attributes)} }`
|
|
: "";
|
|
if (!Array.isArray(moduleAndSpecifiers)) {
|
|
return {
|
|
expression: `${importName}(${JSON.stringify(
|
|
moduleAndSpecifiers
|
|
)}${attributes});`
|
|
};
|
|
}
|
|
if (moduleAndSpecifiers.length === 1) {
|
|
return {
|
|
expression: `${importName}(${JSON.stringify(
|
|
moduleAndSpecifiers[0]
|
|
)}${attributes});`
|
|
};
|
|
}
|
|
const moduleName = moduleAndSpecifiers[0];
|
|
return {
|
|
expression: `${importName}(${JSON.stringify(
|
|
moduleName
|
|
)}${attributes}).then(${runtimeTemplate.returningFunction(
|
|
`module${propertyAccess(moduleAndSpecifiers, 1)}`,
|
|
"module"
|
|
)});`
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string} key key
|
|
* @param {any | undefined} value value
|
|
* @returns {undefined | string} replaced value
|
|
*/
|
|
const importAssertionReplacer = (key, value) => {
|
|
if (key === "_isLegacyAssert") {
|
|
return undefined;
|
|
}
|
|
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* @extends {InitFragment<ChunkRenderContext>}
|
|
*/
|
|
class ModuleExternalInitFragment extends InitFragment {
|
|
/**
|
|
* @param {string} request import source
|
|
* @param {string=} ident recomputed ident
|
|
* @param {ImportDependencyMeta=} dependencyMeta the dependency meta
|
|
* @param {string | HashConstructor=} hashFunction the hash function to use
|
|
*/
|
|
constructor(request, ident, dependencyMeta, hashFunction = "md4") {
|
|
if (ident === undefined) {
|
|
ident = Template.toIdentifier(request);
|
|
if (ident !== request) {
|
|
ident += `_${createHash(hashFunction)
|
|
.update(request)
|
|
.digest("hex")
|
|
.slice(0, 8)}`;
|
|
}
|
|
}
|
|
const identifier = `__WEBPACK_EXTERNAL_MODULE_${ident}__`;
|
|
super(
|
|
`import * as ${identifier} from ${JSON.stringify(request)}${
|
|
dependencyMeta && dependencyMeta.attributes
|
|
? dependencyMeta.attributes._isLegacyAssert
|
|
? ` assert ${JSON.stringify(
|
|
dependencyMeta.attributes,
|
|
importAssertionReplacer
|
|
)}`
|
|
: ` with ${JSON.stringify(dependencyMeta.attributes)}`
|
|
: ""
|
|
};\n`,
|
|
InitFragment.STAGE_HARMONY_IMPORTS,
|
|
0,
|
|
`external module import ${ident}`
|
|
);
|
|
this._ident = ident;
|
|
this._request = request;
|
|
this._dependencyMeta = request;
|
|
this._identifier = identifier;
|
|
}
|
|
|
|
getNamespaceIdentifier() {
|
|
return this._identifier;
|
|
}
|
|
}
|
|
|
|
register(
|
|
ModuleExternalInitFragment,
|
|
"webpack/lib/ExternalModule",
|
|
"ModuleExternalInitFragment",
|
|
{
|
|
serialize(obj, { write }) {
|
|
write(obj._request);
|
|
write(obj._ident);
|
|
write(obj._dependencyMeta);
|
|
},
|
|
deserialize({ read }) {
|
|
return new ModuleExternalInitFragment(read(), read(), read());
|
|
}
|
|
}
|
|
);
|
|
|
|
/**
|
|
* @param {string} input input
|
|
* @param {ExportsInfo} exportsInfo the exports info
|
|
* @param {RuntimeSpec=} runtime the runtime
|
|
* @param {RuntimeTemplate=} runtimeTemplate the runtime template
|
|
* @returns {string | undefined} the module remapping
|
|
*/
|
|
const generateModuleRemapping = (
|
|
input,
|
|
exportsInfo,
|
|
runtime,
|
|
runtimeTemplate
|
|
) => {
|
|
if (exportsInfo.otherExportsInfo.getUsed(runtime) === UsageState.Unused) {
|
|
const properties = [];
|
|
for (const exportInfo of exportsInfo.orderedExports) {
|
|
const used = exportInfo.getUsedName(exportInfo.name, runtime);
|
|
if (!used) continue;
|
|
const nestedInfo = exportInfo.getNestedExportsInfo();
|
|
if (nestedInfo) {
|
|
const nestedExpr = generateModuleRemapping(
|
|
`${input}${propertyAccess([exportInfo.name])}`,
|
|
nestedInfo
|
|
);
|
|
if (nestedExpr) {
|
|
properties.push(`[${JSON.stringify(used)}]: y(${nestedExpr})`);
|
|
continue;
|
|
}
|
|
}
|
|
properties.push(
|
|
`[${JSON.stringify(used)}]: ${
|
|
/** @type {RuntimeTemplate} */ (runtimeTemplate).returningFunction(
|
|
`${input}${propertyAccess([exportInfo.name])}`
|
|
)
|
|
}`
|
|
);
|
|
}
|
|
return `x({ ${properties.join(", ")} })`;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {string|string[]} moduleAndSpecifiers the module request
|
|
* @param {ExportsInfo} exportsInfo exports info of this module
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @param {ImportDependencyMeta} dependencyMeta the dependency meta
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForModuleExternal = (
|
|
moduleAndSpecifiers,
|
|
exportsInfo,
|
|
runtime,
|
|
runtimeTemplate,
|
|
dependencyMeta
|
|
) => {
|
|
if (!Array.isArray(moduleAndSpecifiers))
|
|
moduleAndSpecifiers = [moduleAndSpecifiers];
|
|
const initFragment = new ModuleExternalInitFragment(
|
|
moduleAndSpecifiers[0],
|
|
undefined,
|
|
dependencyMeta,
|
|
runtimeTemplate.outputOptions.hashFunction
|
|
);
|
|
const baseAccess = `${initFragment.getNamespaceIdentifier()}${propertyAccess(
|
|
moduleAndSpecifiers,
|
|
1
|
|
)}`;
|
|
const moduleRemapping = generateModuleRemapping(
|
|
baseAccess,
|
|
exportsInfo,
|
|
runtime,
|
|
runtimeTemplate
|
|
);
|
|
let expression = moduleRemapping || baseAccess;
|
|
return {
|
|
expression,
|
|
init: moduleRemapping
|
|
? `var x = ${runtimeTemplate.basicFunction(
|
|
"y",
|
|
`var x = {}; ${RuntimeGlobals.definePropertyGetters}(x, y); return x`
|
|
)} \nvar y = ${runtimeTemplate.returningFunction(
|
|
runtimeTemplate.returningFunction("x"),
|
|
"x"
|
|
)}`
|
|
: undefined,
|
|
runtimeRequirements: moduleRemapping
|
|
? RUNTIME_REQUIREMENTS_FOR_MODULE
|
|
: undefined,
|
|
chunkInitFragments: [initFragment]
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string|string[]} urlAndGlobal the script request
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForScriptExternal = (urlAndGlobal, runtimeTemplate) => {
|
|
if (typeof urlAndGlobal === "string") {
|
|
urlAndGlobal = extractUrlAndGlobal(urlAndGlobal);
|
|
}
|
|
const url = urlAndGlobal[0];
|
|
const globalName = urlAndGlobal[1];
|
|
return {
|
|
init: "var __webpack_error__ = new Error();",
|
|
expression: `new Promise(${runtimeTemplate.basicFunction(
|
|
"resolve, reject",
|
|
[
|
|
`if(typeof ${globalName} !== "undefined") return resolve();`,
|
|
`${RuntimeGlobals.loadScript}(${JSON.stringify(
|
|
url
|
|
)}, ${runtimeTemplate.basicFunction("event", [
|
|
`if(typeof ${globalName} !== "undefined") return resolve();`,
|
|
"var errorType = event && (event.type === 'load' ? 'missing' : event.type);",
|
|
"var realSrc = event && event.target && event.target.src;",
|
|
"__webpack_error__.message = 'Loading script failed.\\n(' + errorType + ': ' + realSrc + ')';",
|
|
"__webpack_error__.name = 'ScriptExternalLoadError';",
|
|
"__webpack_error__.type = errorType;",
|
|
"__webpack_error__.request = realSrc;",
|
|
"reject(__webpack_error__);"
|
|
])}, ${JSON.stringify(globalName)});`
|
|
]
|
|
)}).then(${runtimeTemplate.returningFunction(
|
|
`${globalName}${propertyAccess(urlAndGlobal, 2)}`
|
|
)})`,
|
|
runtimeRequirements: RUNTIME_REQUIREMENTS_FOR_SCRIPT
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {string} variableName the variable name to check
|
|
* @param {string} request the request path
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @returns {string} the generated source
|
|
*/
|
|
const checkExternalVariable = (variableName, request, runtimeTemplate) => {
|
|
return `if(typeof ${variableName} === 'undefined') { ${runtimeTemplate.throwMissingModuleErrorBlock(
|
|
{ request }
|
|
)} }\n`;
|
|
};
|
|
|
|
/**
|
|
* @param {string|number} id the module id
|
|
* @param {boolean} optional true, if the module is optional
|
|
* @param {string|string[]} request the request path
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForAmdOrUmdExternal = (
|
|
id,
|
|
optional,
|
|
request,
|
|
runtimeTemplate
|
|
) => {
|
|
const externalVariable = `__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(
|
|
`${id}`
|
|
)}__`;
|
|
return {
|
|
init: optional
|
|
? checkExternalVariable(
|
|
externalVariable,
|
|
Array.isArray(request) ? request.join(".") : request,
|
|
runtimeTemplate
|
|
)
|
|
: undefined,
|
|
expression: externalVariable
|
|
};
|
|
};
|
|
|
|
/**
|
|
* @param {boolean} optional true, if the module is optional
|
|
* @param {string|string[]} request the request path
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @returns {SourceData} the generated source
|
|
*/
|
|
const getSourceForDefaultCase = (optional, request, runtimeTemplate) => {
|
|
if (!Array.isArray(request)) {
|
|
// make it an array as the look up works the same basically
|
|
request = [request];
|
|
}
|
|
|
|
const variableName = request[0];
|
|
const objectLookup = propertyAccess(request, 1);
|
|
return {
|
|
init: optional
|
|
? checkExternalVariable(variableName, request.join("."), runtimeTemplate)
|
|
: undefined,
|
|
expression: `${variableName}${objectLookup}`
|
|
};
|
|
};
|
|
|
|
/** @typedef {Record<string, string | string[]>} RequestRecord */
|
|
|
|
class ExternalModule extends Module {
|
|
/**
|
|
* @param {string | string[] | RequestRecord} request request
|
|
* @param {string} type type
|
|
* @param {string} userRequest user request
|
|
* @param {DependencyMeta=} dependencyMeta dependency meta
|
|
*/
|
|
constructor(request, type, userRequest, dependencyMeta) {
|
|
super(JAVASCRIPT_MODULE_TYPE_DYNAMIC, null);
|
|
|
|
// Info from Factory
|
|
/** @type {string | string[] | Record<string, string | string[]>} */
|
|
this.request = request;
|
|
/** @type {string} */
|
|
this.externalType = type;
|
|
/** @type {string} */
|
|
this.userRequest = userRequest;
|
|
/** @type {DependencyMeta=} */
|
|
this.dependencyMeta = dependencyMeta;
|
|
}
|
|
|
|
/**
|
|
* @returns {SourceTypes} types available (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
return this.externalType === "css-import" ? CSS_TYPES : TYPES;
|
|
}
|
|
|
|
/**
|
|
* @param {LibIdentOptions} options options
|
|
* @returns {string | null} an identifier for library inclusion
|
|
*/
|
|
libIdent(options) {
|
|
return this.userRequest;
|
|
}
|
|
|
|
/**
|
|
* @param {Chunk} chunk the chunk which condition should be checked
|
|
* @param {Compilation} compilation the compilation
|
|
* @returns {boolean} true, if the chunk is ok for the module
|
|
*/
|
|
chunkCondition(chunk, { chunkGraph }) {
|
|
return this.externalType === "css-import"
|
|
? true
|
|
: chunkGraph.getNumberOfEntryModules(chunk) > 0;
|
|
}
|
|
|
|
/**
|
|
* @returns {string} a unique identifier of the module
|
|
*/
|
|
identifier() {
|
|
return `external ${this.externalType} ${JSON.stringify(this.request)}`;
|
|
}
|
|
|
|
/**
|
|
* @param {RequestShortener} requestShortener the request shortener
|
|
* @returns {string} a user readable identifier of the module
|
|
*/
|
|
readableIdentifier(requestShortener) {
|
|
return "external " + JSON.stringify(this.request);
|
|
}
|
|
|
|
/**
|
|
* @param {NeedBuildContext} context context info
|
|
* @param {function((WebpackError | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
|
|
* @returns {void}
|
|
*/
|
|
needBuild(context, callback) {
|
|
return callback(null, !this.buildMeta);
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {ResolverWithOptions} resolver the resolver
|
|
* @param {InputFileSystem} fs the file system
|
|
* @param {function(WebpackError=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
build(options, compilation, resolver, fs, callback) {
|
|
this.buildMeta = {
|
|
async: false,
|
|
exportsType: undefined
|
|
};
|
|
this.buildInfo = {
|
|
strict: true,
|
|
topLevelDeclarations: new Set(),
|
|
module: compilation.outputOptions.module
|
|
};
|
|
const { request, externalType } = this._getRequestAndExternalType();
|
|
this.buildMeta.exportsType = "dynamic";
|
|
let canMangle = false;
|
|
this.clearDependenciesAndBlocks();
|
|
switch (externalType) {
|
|
case "this":
|
|
this.buildInfo.strict = false;
|
|
break;
|
|
case "system":
|
|
if (!Array.isArray(request) || request.length === 1) {
|
|
this.buildMeta.exportsType = "namespace";
|
|
canMangle = true;
|
|
}
|
|
break;
|
|
case "module":
|
|
if (this.buildInfo.module) {
|
|
if (!Array.isArray(request) || request.length === 1) {
|
|
this.buildMeta.exportsType = "namespace";
|
|
canMangle = true;
|
|
}
|
|
} else {
|
|
this.buildMeta.async = true;
|
|
EnvironmentNotSupportAsyncWarning.check(
|
|
this,
|
|
compilation.runtimeTemplate,
|
|
"external module"
|
|
);
|
|
if (!Array.isArray(request) || request.length === 1) {
|
|
this.buildMeta.exportsType = "namespace";
|
|
canMangle = false;
|
|
}
|
|
}
|
|
break;
|
|
case "script":
|
|
this.buildMeta.async = true;
|
|
EnvironmentNotSupportAsyncWarning.check(
|
|
this,
|
|
compilation.runtimeTemplate,
|
|
"external script"
|
|
);
|
|
break;
|
|
case "promise":
|
|
this.buildMeta.async = true;
|
|
EnvironmentNotSupportAsyncWarning.check(
|
|
this,
|
|
compilation.runtimeTemplate,
|
|
"external promise"
|
|
);
|
|
break;
|
|
case "import":
|
|
this.buildMeta.async = true;
|
|
EnvironmentNotSupportAsyncWarning.check(
|
|
this,
|
|
compilation.runtimeTemplate,
|
|
"external import"
|
|
);
|
|
if (!Array.isArray(request) || request.length === 1) {
|
|
this.buildMeta.exportsType = "namespace";
|
|
canMangle = false;
|
|
}
|
|
break;
|
|
}
|
|
this.addDependency(new StaticExportsDependency(true, canMangle));
|
|
callback();
|
|
}
|
|
|
|
/**
|
|
* restore unsafe cache data
|
|
* @param {object} unsafeCacheData data from getUnsafeCacheData
|
|
* @param {NormalModuleFactory} normalModuleFactory the normal module factory handling the unsafe caching
|
|
*/
|
|
restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory) {
|
|
this._restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory);
|
|
}
|
|
|
|
/**
|
|
* @param {ConcatenationBailoutReasonContext} context context
|
|
* @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
|
|
*/
|
|
getConcatenationBailoutReason({ moduleGraph }) {
|
|
switch (this.externalType) {
|
|
case "amd":
|
|
case "amd-require":
|
|
case "umd":
|
|
case "umd2":
|
|
case "system":
|
|
case "jsonp":
|
|
return `${this.externalType} externals can't be concatenated`;
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
_getRequestAndExternalType() {
|
|
let { request, externalType } = this;
|
|
if (typeof request === "object" && !Array.isArray(request))
|
|
request = request[externalType];
|
|
return { request, externalType };
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param {string | string[]} request request
|
|
* @param {string} externalType the external type
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @param {DependencyMeta | undefined} dependencyMeta the dependency meta
|
|
* @returns {SourceData} the source data
|
|
*/
|
|
_getSourceData(
|
|
request,
|
|
externalType,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
dependencyMeta
|
|
) {
|
|
switch (externalType) {
|
|
case "this":
|
|
case "window":
|
|
case "self":
|
|
return getSourceForGlobalVariableExternal(request, this.externalType);
|
|
case "global":
|
|
return getSourceForGlobalVariableExternal(
|
|
request,
|
|
runtimeTemplate.globalObject
|
|
);
|
|
case "commonjs":
|
|
case "commonjs2":
|
|
case "commonjs-module":
|
|
case "commonjs-static":
|
|
return getSourceForCommonJsExternal(request);
|
|
case "node-commonjs":
|
|
return /** @type {BuildInfo} */ (this.buildInfo).module
|
|
? getSourceForCommonJsExternalInNodeModule(
|
|
request,
|
|
/** @type {string} */
|
|
(runtimeTemplate.outputOptions.importMetaName),
|
|
runtimeTemplate.supportNodePrefixForCoreModules()
|
|
)
|
|
: getSourceForCommonJsExternal(request);
|
|
case "amd":
|
|
case "amd-require":
|
|
case "umd":
|
|
case "umd2":
|
|
case "system":
|
|
case "jsonp": {
|
|
const id = chunkGraph.getModuleId(this);
|
|
return getSourceForAmdOrUmdExternal(
|
|
id !== null ? id : this.identifier(),
|
|
this.isOptional(moduleGraph),
|
|
request,
|
|
runtimeTemplate
|
|
);
|
|
}
|
|
case "import":
|
|
return getSourceForImportExternal(
|
|
request,
|
|
runtimeTemplate,
|
|
/** @type {ImportDependencyMeta} */ (dependencyMeta)
|
|
);
|
|
case "script":
|
|
return getSourceForScriptExternal(request, runtimeTemplate);
|
|
case "module": {
|
|
if (!(/** @type {BuildInfo} */ (this.buildInfo).module)) {
|
|
if (!runtimeTemplate.supportsDynamicImport()) {
|
|
throw new Error(
|
|
"The target environment doesn't support dynamic import() syntax so it's not possible to use external type 'module' within a script" +
|
|
(runtimeTemplate.supportsEcmaScriptModuleSyntax()
|
|
? "\nDid you mean to build a EcmaScript Module ('output.module: true')?"
|
|
: "")
|
|
);
|
|
}
|
|
return getSourceForImportExternal(
|
|
request,
|
|
runtimeTemplate,
|
|
/** @type {ImportDependencyMeta} */ (dependencyMeta)
|
|
);
|
|
}
|
|
if (!runtimeTemplate.supportsEcmaScriptModuleSyntax()) {
|
|
throw new Error(
|
|
"The target environment doesn't support EcmaScriptModule syntax so it's not possible to use external type 'module'"
|
|
);
|
|
}
|
|
return getSourceForModuleExternal(
|
|
request,
|
|
moduleGraph.getExportsInfo(this),
|
|
runtime,
|
|
runtimeTemplate,
|
|
/** @type {ImportDependencyMeta} */ (dependencyMeta)
|
|
);
|
|
}
|
|
case "var":
|
|
case "promise":
|
|
case "const":
|
|
case "let":
|
|
case "assign":
|
|
default:
|
|
return getSourceForDefaultCase(
|
|
this.isOptional(moduleGraph),
|
|
request,
|
|
runtimeTemplate
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
concatenationScope
|
|
}) {
|
|
const { request, externalType } = this._getRequestAndExternalType();
|
|
switch (externalType) {
|
|
case "asset": {
|
|
const sources = new Map();
|
|
sources.set(
|
|
"javascript",
|
|
new RawSource(`module.exports = ${JSON.stringify(request)};`)
|
|
);
|
|
const data = new Map();
|
|
data.set("url", request);
|
|
return { sources, runtimeRequirements: RUNTIME_REQUIREMENTS, data };
|
|
}
|
|
case "css-import": {
|
|
const sources = new Map();
|
|
const dependencyMeta = /** @type {CssImportDependencyMeta} */ (
|
|
this.dependencyMeta
|
|
);
|
|
const layer =
|
|
dependencyMeta.layer !== undefined
|
|
? ` layer(${dependencyMeta.layer})`
|
|
: "";
|
|
const supports = dependencyMeta.supports
|
|
? ` supports(${dependencyMeta.supports})`
|
|
: "";
|
|
const media = dependencyMeta.media ? ` ${dependencyMeta.media}` : "";
|
|
sources.set(
|
|
"css-import",
|
|
new RawSource(
|
|
`@import url(${JSON.stringify(
|
|
request
|
|
)})${layer}${supports}${media};`
|
|
)
|
|
);
|
|
return {
|
|
sources,
|
|
runtimeRequirements: EMPTY_RUNTIME_REQUIREMENTS
|
|
};
|
|
}
|
|
default: {
|
|
const sourceData = this._getSourceData(
|
|
request,
|
|
externalType,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
this.dependencyMeta
|
|
);
|
|
|
|
let sourceString = sourceData.expression;
|
|
if (sourceData.iife)
|
|
sourceString = `(function() { return ${sourceString}; }())`;
|
|
if (concatenationScope) {
|
|
sourceString = `${
|
|
runtimeTemplate.supportsConst() ? "const" : "var"
|
|
} ${ConcatenationScope.NAMESPACE_OBJECT_EXPORT} = ${sourceString};`;
|
|
concatenationScope.registerNamespaceExport(
|
|
ConcatenationScope.NAMESPACE_OBJECT_EXPORT
|
|
);
|
|
} else {
|
|
sourceString = `module.exports = ${sourceString};`;
|
|
}
|
|
if (sourceData.init)
|
|
sourceString = `${sourceData.init}\n${sourceString}`;
|
|
|
|
let data = undefined;
|
|
if (sourceData.chunkInitFragments) {
|
|
data = new Map();
|
|
data.set("chunkInitFragments", sourceData.chunkInitFragments);
|
|
}
|
|
|
|
const sources = new Map();
|
|
if (this.useSourceMap || this.useSimpleSourceMap) {
|
|
sources.set(
|
|
"javascript",
|
|
new OriginalSource(sourceString, this.identifier())
|
|
);
|
|
} else {
|
|
sources.set("javascript", new RawSource(sourceString));
|
|
}
|
|
|
|
let runtimeRequirements = sourceData.runtimeRequirements;
|
|
if (!concatenationScope) {
|
|
if (!runtimeRequirements) {
|
|
runtimeRequirements = RUNTIME_REQUIREMENTS;
|
|
} else {
|
|
const set = new Set(runtimeRequirements);
|
|
set.add(RuntimeGlobals.module);
|
|
runtimeRequirements = set;
|
|
}
|
|
}
|
|
|
|
return {
|
|
sources,
|
|
runtimeRequirements:
|
|
runtimeRequirements || EMPTY_RUNTIME_REQUIREMENTS,
|
|
data
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {string=} type the source type for which the size should be estimated
|
|
* @returns {number} the estimated size of the module (must be non-zero)
|
|
*/
|
|
size(type) {
|
|
return 42;
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {UpdateHashContext} context context
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, context) {
|
|
const { chunkGraph } = context;
|
|
hash.update(
|
|
`${this.externalType}${JSON.stringify(this.request)}${this.isOptional(
|
|
chunkGraph.moduleGraph
|
|
)}`
|
|
);
|
|
super.updateHash(hash, context);
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectSerializerContext} context context
|
|
*/
|
|
serialize(context) {
|
|
const { write } = context;
|
|
|
|
write(this.request);
|
|
write(this.externalType);
|
|
write(this.userRequest);
|
|
write(this.dependencyMeta);
|
|
|
|
super.serialize(context);
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectDeserializerContext} context context
|
|
*/
|
|
deserialize(context) {
|
|
const { read } = context;
|
|
|
|
this.request = read();
|
|
this.externalType = read();
|
|
this.userRequest = read();
|
|
this.dependencyMeta = read();
|
|
|
|
super.deserialize(context);
|
|
}
|
|
}
|
|
|
|
makeSerializable(ExternalModule, "webpack/lib/ExternalModule");
|
|
|
|
module.exports = ExternalModule;
|