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monjack
2025-06-20 18:01:48 +08:00
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app_vue/node_modules/webpack/lib/css/CssGenerator.js generated vendored Normal file
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Sergey Melyukov @smelukov
*/
"use strict";
const { ReplaceSource, RawSource, ConcatSource } = require("webpack-sources");
const { UsageState } = require("../ExportsInfo");
const Generator = require("../Generator");
const InitFragment = require("../InitFragment");
const {
JS_AND_CSS_EXPORT_TYPES,
JS_AND_CSS_TYPES,
CSS_TYPES,
JS_TYPE,
CSS_TYPE
} = require("../ModuleSourceTypesConstants");
const RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../../declarations/WebpackOptions").CssAutoGeneratorOptions} CssAutoGeneratorOptions */
/** @typedef {import("../../declarations/WebpackOptions").CssGlobalGeneratorOptions} CssGlobalGeneratorOptions */
/** @typedef {import("../../declarations/WebpackOptions").CssModuleGeneratorOptions} CssModuleGeneratorOptions */
/** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").CssData} CssData */
/** @typedef {import("../DependencyTemplate").CssDependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../Generator").GenerateContext} GenerateContext */
/** @typedef {import("../Generator").UpdateHashContext} UpdateHashContext */
/** @typedef {import("../Module").BuildInfo} BuildInfo */
/** @typedef {import("../Module").BuildMeta} BuildMeta */
/** @typedef {import("../Module").ConcatenationBailoutReasonContext} ConcatenationBailoutReasonContext */
/** @typedef {import("../Module").SourceTypes} SourceTypes */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../NormalModule")} NormalModule */
/** @typedef {import("../util/Hash")} Hash */
class CssGenerator extends Generator {
/**
* @param {CssAutoGeneratorOptions | CssGlobalGeneratorOptions | CssModuleGeneratorOptions} options options
* @param {ModuleGraph} moduleGraph the module graph
*/
constructor(options, moduleGraph) {
super();
this.convention = options.exportsConvention;
this.localIdentName = options.localIdentName;
this.exportsOnly = options.exportsOnly;
this.esModule = options.esModule;
this._moduleGraph = moduleGraph;
}
/**
* @param {NormalModule} module module for which the bailout reason should be determined
* @param {ConcatenationBailoutReasonContext} context context
* @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
*/
getConcatenationBailoutReason(module, context) {
if (!this.esModule) {
return "Module is not an ECMAScript module";
}
return undefined;
}
/**
* @param {NormalModule} module module for which the code should be generated
* @param {GenerateContext} generateContext context for generate
* @returns {Source | null} generated code
*/
generate(module, generateContext) {
const source =
generateContext.type === "javascript"
? new ReplaceSource(new RawSource(""))
: new ReplaceSource(/** @type {Source} */ (module.originalSource()));
/** @type {InitFragment<GenerateContext>[]} */
const initFragments = [];
/** @type {CssData} */
const cssData = {
esModule: /** @type {boolean} */ (this.esModule),
exports: new Map()
};
/** @type {InitFragment<GenerateContext>[] | undefined} */
let chunkInitFragments;
/** @type {DependencyTemplateContext} */
const templateContext = {
runtimeTemplate: generateContext.runtimeTemplate,
dependencyTemplates: generateContext.dependencyTemplates,
moduleGraph: generateContext.moduleGraph,
chunkGraph: generateContext.chunkGraph,
module,
runtime: generateContext.runtime,
runtimeRequirements: generateContext.runtimeRequirements,
concatenationScope: generateContext.concatenationScope,
codeGenerationResults:
/** @type {CodeGenerationResults} */
(generateContext.codeGenerationResults),
initFragments,
cssData,
get chunkInitFragments() {
if (!chunkInitFragments) {
const data =
/** @type {NonNullable<GenerateContext["getData"]>} */
(generateContext.getData)();
chunkInitFragments = data.get("chunkInitFragments");
if (!chunkInitFragments) {
chunkInitFragments = [];
data.set("chunkInitFragments", chunkInitFragments);
}
}
return chunkInitFragments;
}
};
/**
* @param {Dependency} dependency dependency
*/
const handleDependency = dependency => {
const constructor =
/** @type {new (...args: EXPECTED_ANY[]) => Dependency} */
(dependency.constructor);
const template = generateContext.dependencyTemplates.get(constructor);
if (!template) {
throw new Error(
`No template for dependency: ${dependency.constructor.name}`
);
}
template.apply(dependency, source, templateContext);
};
for (const dependency of module.dependencies) {
handleDependency(dependency);
}
switch (generateContext.type) {
case "javascript": {
/** @type {BuildInfo} */
(module.buildInfo).cssData = cssData;
generateContext.runtimeRequirements.add(RuntimeGlobals.module);
if (generateContext.concatenationScope) {
const source = new ConcatSource();
const usedIdentifiers = new Set();
for (const [name, v] of cssData.exports) {
const usedName = generateContext.moduleGraph
.getExportInfo(module, name)
.getUsedName(name, generateContext.runtime);
if (!usedName) {
continue;
}
let identifier = Template.toIdentifier(usedName);
const { RESERVED_IDENTIFIER } = require("../util/propertyName");
if (RESERVED_IDENTIFIER.has(identifier)) {
identifier = `_${identifier}`;
}
const i = 0;
while (usedIdentifiers.has(identifier)) {
identifier = Template.toIdentifier(name + i);
}
usedIdentifiers.add(identifier);
generateContext.concatenationScope.registerExport(name, identifier);
source.add(
`${
generateContext.runtimeTemplate.supportsConst()
? "const"
: "var"
} ${identifier} = ${JSON.stringify(v)};\n`
);
}
return source;
}
if (
cssData.exports.size === 0 &&
!(/** @type {BuildMeta} */ (module.buildMeta).isCSSModule)
) {
return new RawSource("");
}
const needNsObj =
this.esModule &&
generateContext.moduleGraph
.getExportsInfo(module)
.otherExportsInfo.getUsed(generateContext.runtime) !==
UsageState.Unused;
if (needNsObj) {
generateContext.runtimeRequirements.add(
RuntimeGlobals.makeNamespaceObject
);
}
const exports = [];
for (const [name, v] of cssData.exports) {
exports.push(`\t${JSON.stringify(name)}: ${JSON.stringify(v)}`);
}
return new RawSource(
`${needNsObj ? `${RuntimeGlobals.makeNamespaceObject}(` : ""}${
module.moduleArgument
}.exports = {\n${exports.join(",\n")}\n}${needNsObj ? ")" : ""};`
);
}
case "css": {
if (module.presentationalDependencies !== undefined) {
for (const dependency of module.presentationalDependencies) {
handleDependency(dependency);
}
}
generateContext.runtimeRequirements.add(RuntimeGlobals.hasCssModules);
return InitFragment.addToSource(source, initFragments, generateContext);
}
default:
return null;
}
}
/**
* @param {Error} error the error
* @param {NormalModule} module module for which the code should be generated
* @param {GenerateContext} generateContext context for generate
* @returns {Source | null} generated code
*/
generateError(error, module, generateContext) {
switch (generateContext.type) {
case "javascript": {
return new RawSource(
`throw new Error(${JSON.stringify(error.message)});`
);
}
case "css": {
return new RawSource(`/**\n ${error.message} \n**/`);
}
default:
return null;
}
}
/**
* @param {NormalModule} module fresh module
* @returns {SourceTypes} available types (do not mutate)
*/
getTypes(module) {
// TODO, find a better way to prevent the original module from being removed after concatenation, maybe it is a bug
if (this.exportsOnly) {
return JS_AND_CSS_EXPORT_TYPES;
}
const sourceTypes = new Set();
const connections = this._moduleGraph.getIncomingConnections(module);
for (const connection of connections) {
if (!connection.originModule) {
continue;
}
if (connection.originModule.type.split("/")[0] !== CSS_TYPE)
sourceTypes.add(JS_TYPE);
}
if (sourceTypes.has(JS_TYPE)) {
return JS_AND_CSS_TYPES;
}
return CSS_TYPES;
}
/**
* @param {NormalModule} module the module
* @param {string=} type source type
* @returns {number} estimate size of the module
*/
getSize(module, type) {
switch (type) {
case "javascript": {
const cssData = /** @type {BuildInfo} */ (module.buildInfo).cssData;
if (!cssData) {
return 42;
}
if (cssData.exports.size === 0) {
if (/** @type {BuildMeta} */ (module.buildMeta).isCSSModule) {
return 42;
}
return 0;
}
const exports = cssData.exports;
const stringifiedExports = JSON.stringify(
Array.from(exports).reduce((obj, [key, value]) => {
obj[key] = value;
return obj;
}, /** @type {Record<string, string>} */ ({}))
);
return stringifiedExports.length + 42;
}
case "css": {
const originalSource = module.originalSource();
if (!originalSource) {
return 0;
}
return originalSource.size();
}
default:
return 0;
}
}
/**
* @param {Hash} hash hash that will be modified
* @param {UpdateHashContext} updateHashContext context for updating hash
*/
updateHash(hash, { module }) {
hash.update(/** @type {boolean} */ (this.esModule).toString());
}
}
module.exports = CssGenerator;

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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { SyncWaterfallHook } = require("tapable");
const Compilation = require("../Compilation");
const RuntimeGlobals = require("../RuntimeGlobals");
const RuntimeModule = require("../RuntimeModule");
const Template = require("../Template");
const compileBooleanMatcher = require("../util/compileBooleanMatcher");
const { chunkHasCss } = require("./CssModulesPlugin");
/** @typedef {import("../../declarations/WebpackOptions").Environment} Environment */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../Compilation").RuntimeRequirementsContext} RuntimeRequirementsContext */
/** @typedef {import("../Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
/**
* @typedef {object} CssLoadingRuntimeModulePluginHooks
* @property {SyncWaterfallHook<[string, Chunk]>} createStylesheet
* @property {SyncWaterfallHook<[string, Chunk]>} linkPreload
* @property {SyncWaterfallHook<[string, Chunk]>} linkPrefetch
*/
/** @type {WeakMap<Compilation, CssLoadingRuntimeModulePluginHooks>} */
const compilationHooksMap = new WeakMap();
class CssLoadingRuntimeModule extends RuntimeModule {
/**
* @param {Compilation} compilation the compilation
* @returns {CssLoadingRuntimeModulePluginHooks} hooks
*/
static getCompilationHooks(compilation) {
if (!(compilation instanceof Compilation)) {
throw new TypeError(
"The 'compilation' argument must be an instance of Compilation"
);
}
let hooks = compilationHooksMap.get(compilation);
if (hooks === undefined) {
hooks = {
createStylesheet: new SyncWaterfallHook(["source", "chunk"]),
linkPreload: new SyncWaterfallHook(["source", "chunk"]),
linkPrefetch: new SyncWaterfallHook(["source", "chunk"])
};
compilationHooksMap.set(compilation, hooks);
}
return hooks;
}
/**
* @param {ReadOnlyRuntimeRequirements} runtimeRequirements runtime requirements
*/
constructor(runtimeRequirements) {
super("css loading", 10);
this._runtimeRequirements = runtimeRequirements;
}
/**
* @returns {string | null} runtime code
*/
generate() {
const { _runtimeRequirements } = this;
const compilation = /** @type {Compilation} */ (this.compilation);
const chunk = /** @type {Chunk} */ (this.chunk);
const {
chunkGraph,
runtimeTemplate,
outputOptions: {
crossOriginLoading,
uniqueName,
chunkLoadTimeout: loadTimeout,
charset
}
} = compilation;
const fn = RuntimeGlobals.ensureChunkHandlers;
const conditionMap = chunkGraph.getChunkConditionMap(
/** @type {Chunk} */ (chunk),
/**
* @param {Chunk} chunk the chunk
* @param {ChunkGraph} chunkGraph the chunk graph
* @returns {boolean} true, if the chunk has css
*/
(chunk, chunkGraph) =>
Boolean(chunkGraph.getChunkModulesIterableBySourceType(chunk, "css"))
);
const hasCssMatcher = compileBooleanMatcher(conditionMap);
const withLoading =
_runtimeRequirements.has(RuntimeGlobals.ensureChunkHandlers) &&
hasCssMatcher !== false;
/** @type {boolean} */
const withHmr = _runtimeRequirements.has(
RuntimeGlobals.hmrDownloadUpdateHandlers
);
/** @type {Set<number | string | null>} */
const initialChunkIds = new Set();
for (const c of /** @type {Chunk} */ (chunk).getAllInitialChunks()) {
if (chunkHasCss(c, chunkGraph)) {
initialChunkIds.add(c.id);
}
}
if (!withLoading && !withHmr) {
return null;
}
const environment =
/** @type {Environment} */
(compilation.outputOptions.environment);
const isNeutralPlatform = runtimeTemplate.isNeutralPlatform();
const withPrefetch =
this._runtimeRequirements.has(RuntimeGlobals.prefetchChunkHandlers) &&
(environment.document || isNeutralPlatform) &&
chunk.hasChildByOrder(chunkGraph, "prefetch", true, chunkHasCss);
const withPreload =
this._runtimeRequirements.has(RuntimeGlobals.preloadChunkHandlers) &&
(environment.document || isNeutralPlatform) &&
chunk.hasChildByOrder(chunkGraph, "preload", true, chunkHasCss);
const { linkPreload, linkPrefetch } =
CssLoadingRuntimeModule.getCompilationHooks(compilation);
const withFetchPriority = _runtimeRequirements.has(
RuntimeGlobals.hasFetchPriority
);
const { createStylesheet } =
CssLoadingRuntimeModule.getCompilationHooks(compilation);
const stateExpression = withHmr
? `${RuntimeGlobals.hmrRuntimeStatePrefix}_css`
: undefined;
const code = Template.asString([
"link = document.createElement('link');",
charset ? "link.charset = 'utf-8';" : "",
`if (${RuntimeGlobals.scriptNonce}) {`,
Template.indent(
`link.setAttribute("nonce", ${RuntimeGlobals.scriptNonce});`
),
"}",
uniqueName
? 'link.setAttribute("data-webpack", uniqueName + ":" + key);'
: "",
withFetchPriority
? Template.asString([
"if(fetchPriority) {",
Template.indent(
'link.setAttribute("fetchpriority", fetchPriority);'
),
"}"
])
: "",
"link.setAttribute(loadingAttribute, 1);",
'link.rel = "stylesheet";',
"link.href = url;",
crossOriginLoading
? crossOriginLoading === "use-credentials"
? 'link.crossOrigin = "use-credentials";'
: Template.asString([
"if (link.href.indexOf(window.location.origin + '/') !== 0) {",
Template.indent(
`link.crossOrigin = ${JSON.stringify(crossOriginLoading)};`
),
"}"
])
: ""
]);
return Template.asString([
"// object to store loaded and loading chunks",
"// undefined = chunk not loaded, null = chunk preloaded/prefetched",
"// [resolve, reject, Promise] = chunk loading, 0 = chunk loaded",
`var installedChunks = ${
stateExpression ? `${stateExpression} = ${stateExpression} || ` : ""
}{`,
Template.indent(
Array.from(initialChunkIds, id => `${JSON.stringify(id)}: 0`).join(
",\n"
)
),
"};",
"",
uniqueName
? `var uniqueName = ${JSON.stringify(
runtimeTemplate.outputOptions.uniqueName
)};`
: "// data-webpack is not used as build has no uniqueName",
withLoading || withHmr
? Template.asString([
'var loadingAttribute = "data-webpack-loading";',
`var loadStylesheet = ${runtimeTemplate.basicFunction(
`chunkId, url, done${
withFetchPriority ? ", fetchPriority" : ""
}${withHmr ? ", hmr" : ""}`,
[
'var link, needAttach, key = "chunk-" + chunkId;',
withHmr ? "if(!hmr) {" : "",
'var links = document.getElementsByTagName("link");',
"for(var i = 0; i < links.length; i++) {",
Template.indent([
"var l = links[i];",
`if(l.rel == "stylesheet" && (${
withHmr
? 'l.href.startsWith(url) || l.getAttribute("href").startsWith(url)'
: 'l.href == url || l.getAttribute("href") == url'
}${
uniqueName
? ' || l.getAttribute("data-webpack") == uniqueName + ":" + key'
: ""
})) { link = l; break; }`
]),
"}",
"if(!done) return link;",
withHmr ? "}" : "",
"if(!link) {",
Template.indent([
"needAttach = true;",
createStylesheet.call(code, /** @type {Chunk} */ (this.chunk))
]),
"}",
`var onLinkComplete = ${runtimeTemplate.basicFunction(
"prev, event",
Template.asString([
"link.onerror = link.onload = null;",
"link.removeAttribute(loadingAttribute);",
"clearTimeout(timeout);",
'if(event && event.type != "load") link.parentNode.removeChild(link)',
"done(event);",
"if(prev) return prev(event);"
])
)};`,
"if(link.getAttribute(loadingAttribute)) {",
Template.indent([
`var timeout = setTimeout(onLinkComplete.bind(null, undefined, { type: 'timeout', target: link }), ${loadTimeout});`,
"link.onerror = onLinkComplete.bind(null, link.onerror);",
"link.onload = onLinkComplete.bind(null, link.onload);"
]),
"} else onLinkComplete(undefined, { type: 'load', target: link });", // We assume any existing stylesheet is render blocking
withHmr && withFetchPriority
? 'if (hmr && hmr.getAttribute("fetchpriority")) link.setAttribute("fetchpriority", hmr.getAttribute("fetchpriority"));'
: "",
withHmr ? "hmr ? document.head.insertBefore(link, hmr) :" : "",
"needAttach && document.head.appendChild(link);",
"return link;"
]
)};`
])
: "",
withLoading
? Template.asString([
`${fn}.css = ${runtimeTemplate.basicFunction(
`chunkId, promises${withFetchPriority ? " , fetchPriority" : ""}`,
[
"// css chunk loading",
`var installedChunkData = ${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId) ? installedChunks[chunkId] : undefined;`,
'if(installedChunkData !== 0) { // 0 means "already installed".',
Template.indent([
"",
'// a Promise means "currently loading".',
"if(installedChunkData) {",
Template.indent(["promises.push(installedChunkData[2]);"]),
"} else {",
Template.indent([
hasCssMatcher === true
? "if(true) { // all chunks have CSS"
: `if(${hasCssMatcher("chunkId")}) {`,
Template.indent([
"// setup Promise in chunk cache",
`var promise = new Promise(${runtimeTemplate.expressionFunction(
"installedChunkData = installedChunks[chunkId] = [resolve, reject]",
"resolve, reject"
)});`,
"promises.push(installedChunkData[2] = promise);",
"",
"// start chunk loading",
`var url = ${RuntimeGlobals.publicPath} + ${RuntimeGlobals.getChunkCssFilename}(chunkId);`,
"// create error before stack unwound to get useful stacktrace later",
"var error = new Error();",
`var loadingEnded = ${runtimeTemplate.basicFunction(
"event",
[
`if(${RuntimeGlobals.hasOwnProperty}(installedChunks, chunkId)) {`,
Template.indent([
"installedChunkData = installedChunks[chunkId];",
"if(installedChunkData !== 0) installedChunks[chunkId] = undefined;",
"if(installedChunkData) {",
Template.indent([
'if(event.type !== "load") {',
Template.indent([
"var errorType = event && event.type;",
"var realHref = event && event.target && event.target.href;",
"error.message = 'Loading css chunk ' + chunkId + ' failed.\\n(' + errorType + ': ' + realHref + ')';",
"error.name = 'ChunkLoadError';",
"error.type = errorType;",
"error.request = realHref;",
"installedChunkData[1](error);"
]),
"} else {",
Template.indent([
"installedChunks[chunkId] = 0;",
"installedChunkData[0]();"
]),
"}"
]),
"}"
]),
"}"
]
)};`,
isNeutralPlatform
? "if (typeof document !== 'undefined') {"
: "",
Template.indent([
`loadStylesheet(chunkId, url, loadingEnded${
withFetchPriority ? ", fetchPriority" : ""
});`
]),
isNeutralPlatform
? "} else { loadingEnded({ type: 'load' }); }"
: ""
]),
"} else installedChunks[chunkId] = 0;"
]),
"}"
]),
"}"
]
)};`
])
: "// no chunk loading",
"",
withPrefetch && hasCssMatcher !== false
? `${
RuntimeGlobals.prefetchChunkHandlers
}.s = ${runtimeTemplate.basicFunction("chunkId", [
`if((!${
RuntimeGlobals.hasOwnProperty
}(installedChunks, chunkId) || installedChunks[chunkId] === undefined) && ${
hasCssMatcher === true ? "true" : hasCssMatcher("chunkId")
}) {`,
Template.indent([
"installedChunks[chunkId] = null;",
isNeutralPlatform
? "if (typeof document === 'undefined') return;"
: "",
linkPrefetch.call(
Template.asString([
"var link = document.createElement('link');",
charset ? "link.charset = 'utf-8';" : "",
crossOriginLoading
? `link.crossOrigin = ${JSON.stringify(
crossOriginLoading
)};`
: "",
`if (${RuntimeGlobals.scriptNonce}) {`,
Template.indent(
`link.setAttribute("nonce", ${RuntimeGlobals.scriptNonce});`
),
"}",
'link.rel = "prefetch";',
'link.as = "style";',
`link.href = ${RuntimeGlobals.publicPath} + ${RuntimeGlobals.getChunkCssFilename}(chunkId);`
]),
chunk
),
"document.head.appendChild(link);"
]),
"}"
])};`
: "// no prefetching",
"",
withPreload && hasCssMatcher !== false
? `${
RuntimeGlobals.preloadChunkHandlers
}.s = ${runtimeTemplate.basicFunction("chunkId", [
`if((!${
RuntimeGlobals.hasOwnProperty
}(installedChunks, chunkId) || installedChunks[chunkId] === undefined) && ${
hasCssMatcher === true ? "true" : hasCssMatcher("chunkId")
}) {`,
Template.indent([
"installedChunks[chunkId] = null;",
isNeutralPlatform
? "if (typeof document === 'undefined') return;"
: "",
linkPreload.call(
Template.asString([
"var link = document.createElement('link');",
charset ? "link.charset = 'utf-8';" : "",
`if (${RuntimeGlobals.scriptNonce}) {`,
Template.indent(
`link.setAttribute("nonce", ${RuntimeGlobals.scriptNonce});`
),
"}",
'link.rel = "preload";',
'link.as = "style";',
`link.href = ${RuntimeGlobals.publicPath} + ${RuntimeGlobals.getChunkCssFilename}(chunkId);`,
crossOriginLoading
? crossOriginLoading === "use-credentials"
? 'link.crossOrigin = "use-credentials";'
: Template.asString([
"if (link.href.indexOf(window.location.origin + '/') !== 0) {",
Template.indent(
`link.crossOrigin = ${JSON.stringify(
crossOriginLoading
)};`
),
"}"
])
: ""
]),
chunk
),
"document.head.appendChild(link);"
]),
"}"
])};`
: "// no preloaded",
withHmr
? Template.asString([
"var oldTags = [];",
"var newTags = [];",
`var applyHandler = ${runtimeTemplate.basicFunction("options", [
`return { dispose: ${runtimeTemplate.basicFunction("", [
"while(oldTags.length) {",
Template.indent([
"var oldTag = oldTags.pop();",
"if(oldTag.parentNode) oldTag.parentNode.removeChild(oldTag);"
]),
"}"
])}, apply: ${runtimeTemplate.basicFunction("", [
"while(newTags.length) {",
Template.indent([
"var newTag = newTags.pop();",
"newTag.sheet.disabled = false"
]),
"}"
])} };`
])}`,
`var cssTextKey = ${runtimeTemplate.returningFunction(
`Array.from(link.sheet.cssRules, ${runtimeTemplate.returningFunction(
"r.cssText",
"r"
)}).join()`,
"link"
)};`,
`${
RuntimeGlobals.hmrDownloadUpdateHandlers
}.css = ${runtimeTemplate.basicFunction(
"chunkIds, removedChunks, removedModules, promises, applyHandlers, updatedModulesList",
[
isNeutralPlatform
? "if (typeof document === 'undefined') return;"
: "",
"applyHandlers.push(applyHandler);",
`chunkIds.forEach(${runtimeTemplate.basicFunction("chunkId", [
`var filename = ${RuntimeGlobals.getChunkCssFilename}(chunkId);`,
`var url = ${RuntimeGlobals.publicPath} + filename;`,
"var oldTag = loadStylesheet(chunkId, url);",
"if(!oldTag) return;",
`promises.push(new Promise(${runtimeTemplate.basicFunction(
"resolve, reject",
[
`var link = loadStylesheet(chunkId, url + (url.indexOf("?") < 0 ? "?" : "&") + "hmr=" + Date.now(), ${runtimeTemplate.basicFunction(
"event",
[
'if(event.type !== "load") {',
Template.indent([
"var errorType = event && event.type;",
"var realHref = event && event.target && event.target.href;",
"error.message = 'Loading css hot update chunk ' + chunkId + ' failed.\\n(' + errorType + ': ' + realHref + ')';",
"error.name = 'ChunkLoadError';",
"error.type = errorType;",
"error.request = realHref;",
"reject(error);"
]),
"} else {",
Template.indent([
"try { if(cssTextKey(oldTag) == cssTextKey(link)) { if(link.parentNode) link.parentNode.removeChild(link); return resolve(); } } catch(e) {}",
"link.sheet.disabled = true;",
"oldTags.push(oldTag);",
"newTags.push(link);",
"resolve();"
]),
"}"
]
)}, ${withFetchPriority ? "undefined," : ""} oldTag);`
]
)}));`
])});`
]
)}`
])
: "// no hmr"
]);
}
}
module.exports = CssLoadingRuntimeModule;

View File

@ -0,0 +1,921 @@
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { SyncWaterfallHook, SyncHook } = require("tapable");
const {
ConcatSource,
PrefixSource,
ReplaceSource,
CachedSource,
RawSource
} = require("webpack-sources");
const Compilation = require("../Compilation");
const CssModule = require("../CssModule");
const { tryRunOrWebpackError } = require("../HookWebpackError");
const HotUpdateChunk = require("../HotUpdateChunk");
const {
CSS_MODULE_TYPE,
CSS_MODULE_TYPE_GLOBAL,
CSS_MODULE_TYPE_MODULE,
CSS_MODULE_TYPE_AUTO
} = require("../ModuleTypeConstants");
const NormalModule = require("../NormalModule");
const RuntimeGlobals = require("../RuntimeGlobals");
const SelfModuleFactory = require("../SelfModuleFactory");
const Template = require("../Template");
const WebpackError = require("../WebpackError");
const CssIcssExportDependency = require("../dependencies/CssIcssExportDependency");
const CssIcssImportDependency = require("../dependencies/CssIcssImportDependency");
const CssIcssSymbolDependency = require("../dependencies/CssIcssSymbolDependency");
const CssImportDependency = require("../dependencies/CssImportDependency");
const CssLocalIdentifierDependency = require("../dependencies/CssLocalIdentifierDependency");
const CssSelfLocalIdentifierDependency = require("../dependencies/CssSelfLocalIdentifierDependency");
const CssUrlDependency = require("../dependencies/CssUrlDependency");
const StaticExportsDependency = require("../dependencies/StaticExportsDependency");
const JavascriptModulesPlugin = require("../javascript/JavascriptModulesPlugin");
const { compareModulesByIdOrIdentifier } = require("../util/comparators");
const createSchemaValidation = require("../util/create-schema-validation");
const createHash = require("../util/createHash");
const { getUndoPath } = require("../util/identifier");
const memoize = require("../util/memoize");
const nonNumericOnlyHash = require("../util/nonNumericOnlyHash");
const removeBOM = require("../util/removeBOM");
const CssGenerator = require("./CssGenerator");
const CssParser = require("./CssParser");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../../declarations/WebpackOptions").HashFunction} HashFunction */
/** @typedef {import("../../declarations/WebpackOptions").OutputNormalized} OutputOptions */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../CssModule").Inheritance} Inheritance */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../Module").BuildInfo} BuildInfo */
/** @typedef {import("../Template").RuntimeTemplate} RuntimeTemplate */
/** @typedef {import("../TemplatedPathPlugin").TemplatePath} TemplatePath */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/memoize")} Memoize */
/**
* @typedef {object} RenderContext
* @property {Chunk} chunk the chunk
* @property {ChunkGraph} chunkGraph the chunk graph
* @property {CodeGenerationResults} codeGenerationResults results of code generation
* @property {RuntimeTemplate} runtimeTemplate the runtime template
* @property {string} uniqueName the unique name
* @property {string} undoPath undo path to css file
* @property {CssModule[]} modules modules
*/
/**
* @typedef {object} ChunkRenderContext
* @property {Chunk} chunk the chunk
* @property {ChunkGraph} chunkGraph the chunk graph
* @property {CodeGenerationResults} codeGenerationResults results of code generation
* @property {RuntimeTemplate} runtimeTemplate the runtime template
* @property {string} undoPath undo path to css file
*/
/**
* @typedef {object} CompilationHooks
* @property {SyncWaterfallHook<[Source, Module, ChunkRenderContext]>} renderModulePackage
* @property {SyncHook<[Chunk, Hash, ChunkHashContext]>} chunkHash
*/
const getCssLoadingRuntimeModule = memoize(() =>
require("./CssLoadingRuntimeModule")
);
/**
* @param {string} name name
* @returns {{ oneOf: [{ $ref: string }], definitions: import("../../schemas/WebpackOptions.json")["definitions"] }} schema
*/
const getSchema = name => {
const { definitions } = require("../../schemas/WebpackOptions.json");
return {
definitions,
oneOf: [{ $ref: `#/definitions/${name}` }]
};
};
const generatorValidationOptions = {
name: "Css Modules Plugin",
baseDataPath: "generator"
};
const validateGeneratorOptions = {
css: createSchemaValidation(
require("../../schemas/plugins/css/CssGeneratorOptions.check.js"),
() => getSchema("CssGeneratorOptions"),
generatorValidationOptions
),
"css/auto": createSchemaValidation(
require("../../schemas/plugins/css/CssAutoGeneratorOptions.check.js"),
() => getSchema("CssAutoGeneratorOptions"),
generatorValidationOptions
),
"css/module": createSchemaValidation(
require("../../schemas/plugins/css/CssModuleGeneratorOptions.check.js"),
() => getSchema("CssModuleGeneratorOptions"),
generatorValidationOptions
),
"css/global": createSchemaValidation(
require("../../schemas/plugins/css/CssGlobalGeneratorOptions.check.js"),
() => getSchema("CssGlobalGeneratorOptions"),
generatorValidationOptions
)
};
const parserValidationOptions = {
name: "Css Modules Plugin",
baseDataPath: "parser"
};
const validateParserOptions = {
css: createSchemaValidation(
require("../../schemas/plugins/css/CssParserOptions.check.js"),
() => getSchema("CssParserOptions"),
parserValidationOptions
),
"css/auto": createSchemaValidation(
require("../../schemas/plugins/css/CssAutoParserOptions.check.js"),
() => getSchema("CssAutoParserOptions"),
parserValidationOptions
),
"css/module": createSchemaValidation(
require("../../schemas/plugins/css/CssModuleParserOptions.check.js"),
() => getSchema("CssModuleParserOptions"),
parserValidationOptions
),
"css/global": createSchemaValidation(
require("../../schemas/plugins/css/CssGlobalParserOptions.check.js"),
() => getSchema("CssGlobalParserOptions"),
parserValidationOptions
)
};
/** @type {WeakMap<Compilation, CompilationHooks>} */
const compilationHooksMap = new WeakMap();
const PLUGIN_NAME = "CssModulesPlugin";
class CssModulesPlugin {
/**
* @param {Compilation} compilation the compilation
* @returns {CompilationHooks} the attached hooks
*/
static getCompilationHooks(compilation) {
if (!(compilation instanceof Compilation)) {
throw new TypeError(
"The 'compilation' argument must be an instance of Compilation"
);
}
let hooks = compilationHooksMap.get(compilation);
if (hooks === undefined) {
hooks = {
renderModulePackage: new SyncWaterfallHook([
"source",
"module",
"renderContext"
]),
chunkHash: new SyncHook(["chunk", "hash", "context"])
};
compilationHooksMap.set(compilation, hooks);
}
return hooks;
}
constructor() {
/** @type {WeakMap<Source, { undoPath: string, inheritance: Inheritance, source: CachedSource }>} */
this._moduleFactoryCache = new WeakMap();
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
PLUGIN_NAME,
(compilation, { normalModuleFactory }) => {
const hooks = CssModulesPlugin.getCompilationHooks(compilation);
const selfFactory = new SelfModuleFactory(compilation.moduleGraph);
compilation.dependencyFactories.set(
CssImportDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
CssImportDependency,
new CssImportDependency.Template()
);
compilation.dependencyFactories.set(
CssUrlDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
CssUrlDependency,
new CssUrlDependency.Template()
);
compilation.dependencyTemplates.set(
CssLocalIdentifierDependency,
new CssLocalIdentifierDependency.Template()
);
compilation.dependencyFactories.set(
CssSelfLocalIdentifierDependency,
selfFactory
);
compilation.dependencyTemplates.set(
CssSelfLocalIdentifierDependency,
new CssSelfLocalIdentifierDependency.Template()
);
compilation.dependencyFactories.set(
CssIcssImportDependency,
normalModuleFactory
);
compilation.dependencyTemplates.set(
CssIcssImportDependency,
new CssIcssImportDependency.Template()
);
compilation.dependencyTemplates.set(
CssIcssExportDependency,
new CssIcssExportDependency.Template()
);
compilation.dependencyTemplates.set(
CssIcssSymbolDependency,
new CssIcssSymbolDependency.Template()
);
compilation.dependencyTemplates.set(
StaticExportsDependency,
new StaticExportsDependency.Template()
);
for (const type of [
CSS_MODULE_TYPE,
CSS_MODULE_TYPE_GLOBAL,
CSS_MODULE_TYPE_MODULE,
CSS_MODULE_TYPE_AUTO
]) {
normalModuleFactory.hooks.createParser
.for(type)
.tap(PLUGIN_NAME, parserOptions => {
validateParserOptions[type](parserOptions);
const { url, import: importOption, namedExports } = parserOptions;
switch (type) {
case CSS_MODULE_TYPE:
return new CssParser({
importOption,
url,
namedExports
});
case CSS_MODULE_TYPE_GLOBAL:
return new CssParser({
defaultMode: "global",
importOption,
url,
namedExports
});
case CSS_MODULE_TYPE_MODULE:
return new CssParser({
defaultMode: "local",
importOption,
url,
namedExports
});
case CSS_MODULE_TYPE_AUTO:
return new CssParser({
defaultMode: "auto",
importOption,
url,
namedExports
});
}
});
normalModuleFactory.hooks.createGenerator
.for(type)
.tap(PLUGIN_NAME, generatorOptions => {
validateGeneratorOptions[type](generatorOptions);
return new CssGenerator(
generatorOptions,
compilation.moduleGraph
);
});
normalModuleFactory.hooks.createModuleClass
.for(type)
.tap(PLUGIN_NAME, (createData, resolveData) => {
if (resolveData.dependencies.length > 0) {
// When CSS is imported from CSS there is only one dependency
const dependency = resolveData.dependencies[0];
if (dependency instanceof CssImportDependency) {
const parent =
/** @type {CssModule} */
(compilation.moduleGraph.getParentModule(dependency));
if (parent instanceof CssModule) {
/** @type {import("../CssModule").Inheritance | undefined} */
let inheritance;
if (
parent.cssLayer !== undefined ||
parent.supports ||
parent.media
) {
if (!inheritance) {
inheritance = [];
}
inheritance.push([
parent.cssLayer,
parent.supports,
parent.media
]);
}
if (parent.inheritance) {
if (!inheritance) {
inheritance = [];
}
inheritance.push(...parent.inheritance);
}
return new CssModule({
...createData,
cssLayer: dependency.layer,
supports: dependency.supports,
media: dependency.media,
inheritance
});
}
return new CssModule({
...createData,
cssLayer: dependency.layer,
supports: dependency.supports,
media: dependency.media
});
}
}
return new CssModule(createData);
});
NormalModule.getCompilationHooks(compilation).processResult.tap(
PLUGIN_NAME,
(result, module) => {
if (module.type === type) {
const [source, ...rest] = result;
return [removeBOM(source), ...rest];
}
return result;
}
);
}
JavascriptModulesPlugin.getCompilationHooks(
compilation
).renderModuleContent.tap(PLUGIN_NAME, (source, module) => {
if (module instanceof CssModule && module.hot) {
const cssData = /** @type {BuildInfo} */ (module.buildInfo).cssData;
if (!cssData) {
return source;
}
const exports = cssData.exports;
const stringifiedExports = JSON.stringify(
JSON.stringify(
Array.from(exports).reduce((obj, [key, value]) => {
obj[key] = value;
return obj;
}, /** @type {Record<string, string>} */ ({}))
)
);
const hmrCode = Template.asString([
"",
`var __webpack_css_exports__ = ${stringifiedExports};`,
"// only invalidate when locals change",
"if (module.hot.data && module.hot.data.__webpack_css_exports__ && module.hot.data.__webpack_css_exports__ != __webpack_css_exports__) {",
Template.indent("module.hot.invalidate();"),
"} else {",
Template.indent("module.hot.accept();"),
"}",
"module.hot.dispose(function(data) { data.__webpack_css_exports__ = __webpack_css_exports__; });"
]);
return new ConcatSource(source, "\n", new RawSource(hmrCode));
}
return source;
});
const orderedCssModulesPerChunk = new WeakMap();
compilation.hooks.afterCodeGeneration.tap(PLUGIN_NAME, () => {
const { chunkGraph } = compilation;
for (const chunk of compilation.chunks) {
if (CssModulesPlugin.chunkHasCss(chunk, chunkGraph)) {
orderedCssModulesPerChunk.set(
chunk,
this.getOrderedChunkCssModules(chunk, chunkGraph, compilation)
);
}
}
});
compilation.hooks.chunkHash.tap(PLUGIN_NAME, (chunk, hash, context) => {
hooks.chunkHash.call(chunk, hash, context);
});
compilation.hooks.contentHash.tap(PLUGIN_NAME, chunk => {
const {
chunkGraph,
codeGenerationResults,
moduleGraph,
runtimeTemplate,
outputOptions: {
hashSalt,
hashDigest,
hashDigestLength,
hashFunction
}
} = compilation;
const hash = createHash(/** @type {HashFunction} */ (hashFunction));
if (hashSalt) hash.update(hashSalt);
hooks.chunkHash.call(chunk, hash, {
chunkGraph,
codeGenerationResults,
moduleGraph,
runtimeTemplate
});
const modules = orderedCssModulesPerChunk.get(chunk);
if (modules) {
for (const module of modules) {
hash.update(chunkGraph.getModuleHash(module, chunk.runtime));
}
}
const digest = /** @type {string} */ (hash.digest(hashDigest));
chunk.contentHash.css = nonNumericOnlyHash(
digest,
/** @type {number} */
(hashDigestLength)
);
});
compilation.hooks.renderManifest.tap(PLUGIN_NAME, (result, options) => {
const { chunkGraph } = compilation;
const { hash, chunk, codeGenerationResults, runtimeTemplate } =
options;
if (chunk instanceof HotUpdateChunk) return result;
/** @type {CssModule[] | undefined} */
const modules = orderedCssModulesPerChunk.get(chunk);
if (modules !== undefined) {
const { path: filename, info } = compilation.getPathWithInfo(
CssModulesPlugin.getChunkFilenameTemplate(
chunk,
compilation.outputOptions
),
{
hash,
runtime: chunk.runtime,
chunk,
contentHashType: "css"
}
);
const undoPath = getUndoPath(
filename,
/** @type {string} */
(compilation.outputOptions.path),
false
);
result.push({
render: () =>
this.renderChunk(
{
chunk,
chunkGraph,
codeGenerationResults,
uniqueName:
/** @type {string} */
(compilation.outputOptions.uniqueName),
undoPath,
modules,
runtimeTemplate
},
hooks
),
filename,
info,
identifier: `css${chunk.id}`,
hash: chunk.contentHash.css
});
}
return result;
});
const globalChunkLoading = compilation.outputOptions.chunkLoading;
/**
* @param {Chunk} chunk the chunk
* @returns {boolean} true, when enabled
*/
const isEnabledForChunk = chunk => {
const options = chunk.getEntryOptions();
const chunkLoading =
options && options.chunkLoading !== undefined
? options.chunkLoading
: globalChunkLoading;
return chunkLoading === "jsonp" || chunkLoading === "import";
};
const onceForChunkSet = new WeakSet();
/**
* @param {Chunk} chunk chunk to check
* @param {Set<string>} set runtime requirements
*/
const handler = (chunk, set) => {
if (onceForChunkSet.has(chunk)) return;
onceForChunkSet.add(chunk);
if (!isEnabledForChunk(chunk)) return;
set.add(RuntimeGlobals.makeNamespaceObject);
const CssLoadingRuntimeModule = getCssLoadingRuntimeModule();
compilation.addRuntimeModule(chunk, new CssLoadingRuntimeModule(set));
};
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hasCssModules)
.tap(PLUGIN_NAME, handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap(PLUGIN_NAME, (chunk, set, { chunkGraph }) => {
if (!isEnabledForChunk(chunk)) return;
if (
!chunkGraph.hasModuleInGraph(
chunk,
m =>
m.type === CSS_MODULE_TYPE ||
m.type === CSS_MODULE_TYPE_GLOBAL ||
m.type === CSS_MODULE_TYPE_MODULE ||
m.type === CSS_MODULE_TYPE_AUTO
)
) {
return;
}
set.add(RuntimeGlobals.hasOwnProperty);
set.add(RuntimeGlobals.publicPath);
set.add(RuntimeGlobals.getChunkCssFilename);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
.tap(PLUGIN_NAME, (chunk, set, { chunkGraph }) => {
if (!isEnabledForChunk(chunk)) return;
if (
!chunkGraph.hasModuleInGraph(
chunk,
m =>
m.type === CSS_MODULE_TYPE ||
m.type === CSS_MODULE_TYPE_GLOBAL ||
m.type === CSS_MODULE_TYPE_MODULE ||
m.type === CSS_MODULE_TYPE_AUTO
)
) {
return;
}
set.add(RuntimeGlobals.publicPath);
set.add(RuntimeGlobals.getChunkCssFilename);
});
}
);
}
/**
* @param {Chunk} chunk chunk
* @param {Iterable<Module>} modules unordered modules
* @param {Compilation} compilation compilation
* @returns {Module[]} ordered modules
*/
getModulesInOrder(chunk, modules, compilation) {
if (!modules) return [];
/** @type {Module[]} */
const modulesList = [...modules];
// Get ordered list of modules per chunk group
// Lists are in reverse order to allow to use Array.pop()
const modulesByChunkGroup = Array.from(chunk.groupsIterable, chunkGroup => {
const sortedModules = modulesList
.map(module => ({
module,
index: chunkGroup.getModulePostOrderIndex(module)
}))
.filter(item => item.index !== undefined)
.sort(
(a, b) =>
/** @type {number} */ (b.index) - /** @type {number} */ (a.index)
)
.map(item => item.module);
return { list: sortedModules, set: new Set(sortedModules) };
});
if (modulesByChunkGroup.length === 1)
return modulesByChunkGroup[0].list.reverse();
const boundCompareModulesByIdOrIdentifier = compareModulesByIdOrIdentifier(
compilation.chunkGraph
);
/**
* @param {{ list: Module[] }} a a
* @param {{ list: Module[] }} b b
* @returns {-1 | 0 | 1} result
*/
const compareModuleLists = ({ list: a }, { list: b }) => {
if (a.length === 0) {
return b.length === 0 ? 0 : 1;
}
if (b.length === 0) return -1;
return boundCompareModulesByIdOrIdentifier(
a[a.length - 1],
b[b.length - 1]
);
};
modulesByChunkGroup.sort(compareModuleLists);
/** @type {Module[]} */
const finalModules = [];
for (;;) {
const failedModules = new Set();
const list = modulesByChunkGroup[0].list;
if (list.length === 0) {
// done, everything empty
break;
}
/** @type {Module} */
let selectedModule = list[list.length - 1];
let hasFailed;
outer: for (;;) {
for (const { list, set } of modulesByChunkGroup) {
if (list.length === 0) continue;
const lastModule = list[list.length - 1];
if (lastModule === selectedModule) continue;
if (!set.has(selectedModule)) continue;
failedModules.add(selectedModule);
if (failedModules.has(lastModule)) {
// There is a conflict, try other alternatives
hasFailed = lastModule;
continue;
}
selectedModule = lastModule;
hasFailed = false;
continue outer; // restart
}
break;
}
if (hasFailed) {
// There is a not resolve-able conflict with the selectedModule
// TODO print better warning
compilation.warnings.push(
new WebpackError(
`chunk ${chunk.name || chunk.id}\nConflicting order between ${
/** @type {Module} */
(hasFailed).readableIdentifier(compilation.requestShortener)
} and ${selectedModule.readableIdentifier(
compilation.requestShortener
)}`
)
);
selectedModule = /** @type {Module} */ (hasFailed);
}
// Insert the selected module into the final modules list
finalModules.push(selectedModule);
// Remove the selected module from all lists
for (const { list, set } of modulesByChunkGroup) {
const lastModule = list[list.length - 1];
if (lastModule === selectedModule) list.pop();
else if (hasFailed && set.has(selectedModule)) {
const idx = list.indexOf(selectedModule);
if (idx >= 0) list.splice(idx, 1);
}
}
modulesByChunkGroup.sort(compareModuleLists);
}
return finalModules;
}
/**
* @param {Chunk} chunk chunk
* @param {ChunkGraph} chunkGraph chunk graph
* @param {Compilation} compilation compilation
* @returns {Module[]} ordered css modules
*/
getOrderedChunkCssModules(chunk, chunkGraph, compilation) {
return [
...this.getModulesInOrder(
chunk,
/** @type {Iterable<Module>} */
(
chunkGraph.getOrderedChunkModulesIterableBySourceType(
chunk,
"css-import",
compareModulesByIdOrIdentifier(chunkGraph)
)
),
compilation
),
...this.getModulesInOrder(
chunk,
/** @type {Iterable<Module>} */
(
chunkGraph.getOrderedChunkModulesIterableBySourceType(
chunk,
"css",
compareModulesByIdOrIdentifier(chunkGraph)
)
),
compilation
)
];
}
/**
* @param {CssModule} module css module
* @param {ChunkRenderContext} renderContext options object
* @param {CompilationHooks} hooks hooks
* @returns {Source} css module source
*/
renderModule(module, renderContext, hooks) {
const { codeGenerationResults, chunk, undoPath } = renderContext;
const codeGenResult = codeGenerationResults.get(module, chunk.runtime);
const moduleSourceContent =
/** @type {Source} */
(
codeGenResult.sources.get("css") ||
codeGenResult.sources.get("css-import")
);
const cacheEntry = this._moduleFactoryCache.get(moduleSourceContent);
/** @type {Inheritance} */
const inheritance = [[module.cssLayer, module.supports, module.media]];
if (module.inheritance) {
inheritance.push(...module.inheritance);
}
let source;
if (
cacheEntry &&
cacheEntry.undoPath === undoPath &&
cacheEntry.inheritance.every(([layer, supports, media], i) => {
const item = inheritance[i];
if (Array.isArray(item)) {
return layer === item[0] && supports === item[1] && media === item[2];
}
return false;
})
) {
source = cacheEntry.source;
} else {
const moduleSourceCode =
/** @type {string} */
(moduleSourceContent.source());
const publicPathAutoRegex = new RegExp(
CssUrlDependency.PUBLIC_PATH_AUTO,
"g"
);
/** @type {Source} */
let moduleSource = new ReplaceSource(moduleSourceContent);
let match;
while ((match = publicPathAutoRegex.exec(moduleSourceCode))) {
/** @type {ReplaceSource} */ (moduleSource).replace(
match.index,
(match.index += match[0].length - 1),
undoPath
);
}
for (let i = 0; i < inheritance.length; i++) {
const layer = inheritance[i][0];
const supports = inheritance[i][1];
const media = inheritance[i][2];
if (media) {
moduleSource = new ConcatSource(
`@media ${media} {\n`,
new PrefixSource("\t", moduleSource),
"}\n"
);
}
if (supports) {
moduleSource = new ConcatSource(
`@supports (${supports}) {\n`,
new PrefixSource("\t", moduleSource),
"}\n"
);
}
// Layer can be anonymous
if (layer !== undefined && layer !== null) {
moduleSource = new ConcatSource(
`@layer${layer ? ` ${layer}` : ""} {\n`,
new PrefixSource("\t", moduleSource),
"}\n"
);
}
}
if (moduleSource) {
moduleSource = new ConcatSource(moduleSource, "\n");
}
source = new CachedSource(moduleSource);
this._moduleFactoryCache.set(moduleSourceContent, {
inheritance,
undoPath,
source
});
}
return tryRunOrWebpackError(
() => hooks.renderModulePackage.call(source, module, renderContext),
"CssModulesPlugin.getCompilationHooks().renderModulePackage"
);
}
/**
* @param {RenderContext} renderContext the render context
* @param {CompilationHooks} hooks hooks
* @returns {Source} generated source
*/
renderChunk(
{
undoPath,
chunk,
chunkGraph,
codeGenerationResults,
modules,
runtimeTemplate
},
hooks
) {
const source = new ConcatSource();
for (const module of modules) {
try {
const moduleSource = this.renderModule(
module,
{
undoPath,
chunk,
chunkGraph,
codeGenerationResults,
runtimeTemplate
},
hooks
);
source.add(moduleSource);
} catch (err) {
/** @type {Error} */
(err).message += `\nduring rendering of css ${module.identifier()}`;
throw err;
}
}
chunk.rendered = true;
return source;
}
/**
* @param {Chunk} chunk chunk
* @param {OutputOptions} outputOptions output options
* @returns {TemplatePath} used filename template
*/
static getChunkFilenameTemplate(chunk, outputOptions) {
if (chunk.cssFilenameTemplate) {
return chunk.cssFilenameTemplate;
} else if (chunk.canBeInitial()) {
return /** @type {TemplatePath} */ (outputOptions.cssFilename);
}
return /** @type {TemplatePath} */ (outputOptions.cssChunkFilename);
}
/**
* @param {Chunk} chunk chunk
* @param {ChunkGraph} chunkGraph chunk graph
* @returns {boolean} true, when the chunk has css
*/
static chunkHasCss(chunk, chunkGraph) {
return (
Boolean(chunkGraph.getChunkModulesIterableBySourceType(chunk, "css")) ||
Boolean(
chunkGraph.getChunkModulesIterableBySourceType(chunk, "css-import")
)
);
}
}
module.exports = CssModulesPlugin;

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