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index.js
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/* eslint-disable class-methods-use-this */
import { validate } from 'schema-utils';
import schema from './plugin-options.json';
import { shared, MODULE_TYPE, compareModulesByIdentifier } from './utils';
const pluginName = 'mini-css-extract-plugin';
const REGEXP_CHUNKHASH = /\[chunkhash(?::(\d+))?\]/i;
const REGEXP_CONTENTHASH = /\[contenthash(?::(\d+))?\]/i;
const REGEXP_NAME = /\[name\]/i;
const DEFAULT_FILENAME = '[name].css';
const TYPES = new Set([MODULE_TYPE]);
const CODE_GENERATION_RESULT = {
sources: new Map(),
runtimeRequirements: new Set(),
};
/**
* @type WeakMap<webpack, CssModule>
*/
const cssModuleCache = new WeakMap();
class MiniCssExtractPlugin {
static getCssModule(webpack) {
/**
* Prevent creation of multiple CssModule classes to allow other integrations to get the current CssModule.
*/
if(cssModuleCache.has(webpack)) {
return cssModuleCache.get(webpack);
}
class CssModule extends webpack.Module {
constructor({
context,
identifier,
identifierIndex,
content,
media,
sourceMap,
assets,
assetsInfo,
}) {
super(MODULE_TYPE, context);
this.id = '';
this._context = context;
this._identifier = identifier;
this._identifierIndex = identifierIndex;
this.content = content;
this.media = media;
this.sourceMap = sourceMap;
this.buildInfo = {
assets,
assetsInfo,
};
this.buildMeta = {};
}
// no source() so webpack 4 doesn't do add stuff to the bundle
size() {
return this.content.length;
}
identifier() {
return `css|${this._identifier}|${this._identifierIndex}`;
}
readableIdentifier(requestShortener) {
return `css ${requestShortener.shorten(this._identifier)}${
this._identifierIndex ? ` (${this._identifierIndex})` : ''
}`;
}
// eslint-disable-next-line class-methods-use-this
getSourceTypes() {
return TYPES;
}
// eslint-disable-next-line class-methods-use-this
codeGeneration() {
return CODE_GENERATION_RESULT;
}
nameForCondition() {
const resource = this._identifier.split('!').pop();
const idx = resource.indexOf('?');
if (idx >= 0) {
return resource.substring(0, idx);
}
return resource;
}
updateCacheModule(module) {
this.content = module.content;
this.media = module.media;
this.sourceMap = module.sourceMap;
}
// eslint-disable-next-line class-methods-use-this
needRebuild() {
return true;
}
// eslint-disable-next-line class-methods-use-this
needBuild(context, callback) {
callback(null, false);
}
build(options, compilation, resolver, fileSystem, callback) {
this.buildInfo = {};
this.buildMeta = {};
callback();
}
updateHash(hash, context) {
super.updateHash(hash, context);
hash.update(this.content);
hash.update(this.media || '');
hash.update(this.sourceMap ? JSON.stringify(this.sourceMap) : '');
}
serialize(context) {
const { write } = context;
write(this._context);
write(this._identifier);
write(this._identifierIndex);
write(this.content);
write(this.media);
write(this.sourceMap);
write(this.buildInfo);
super.serialize(context);
}
deserialize(context) {
super.deserialize(context);
}
}
cssModuleCache.set(webpack, CssModule);
if (
webpack.util &&
webpack.util.serialization &&
webpack.util.serialization.register
) {
webpack.util.serialization.register(
CssModule,
'mini-css-extract-plugin/dist/CssModule',
null,
{
serialize(instance, context) {
instance.serialize(context);
},
deserialize(context) {
const { read } = context;
const contextModule = read();
const identifier = read();
const identifierIndex = read();
const content = read();
const media = read();
const sourceMap = read();
const { assets, assetsInfo } = read();
const dep = new CssModule({
context: contextModule,
identifier,
identifierIndex,
content,
media,
sourceMap,
assets,
assetsInfo,
});
dep.deserialize(context);
return dep;
},
}
);
}
return CssModule;
}
static getCssDependency(webpack) {
// eslint-disable-next-line no-shadow
class CssDependency extends webpack.Dependency {
constructor(
{ identifier, content, media, sourceMap },
context,
identifierIndex
) {
super();
this.identifier = identifier;
this.identifierIndex = identifierIndex;
this.content = content;
this.media = media;
this.sourceMap = sourceMap;
this.context = context;
// eslint-disable-next-line no-undefined
this.assets = undefined;
// eslint-disable-next-line no-undefined
this.assetsInfo = undefined;
}
getResourceIdentifier() {
return `css-module-${this.identifier}-${this.identifierIndex}`;
}
// eslint-disable-next-line class-methods-use-this
getModuleEvaluationSideEffectsState() {
return webpack.ModuleGraphConnection.TRANSITIVE_ONLY;
}
serialize(context) {
const { write } = context;
write(this.identifier);
write(this.content);
write(this.media);
write(this.sourceMap);
write(this.context);
write(this.identifierIndex);
write(this.assets);
write(this.assetsInfo);
super.serialize(context);
}
deserialize(context) {
super.deserialize(context);
}
}
if (
webpack.util &&
webpack.util.serialization &&
webpack.util.serialization.register
) {
webpack.util.serialization.register(
CssDependency,
'mini-css-extract-plugin/dist/CssDependency',
null,
{
serialize(instance, context) {
instance.serialize(context);
},
deserialize(context) {
const { read } = context;
const dep = new CssDependency(
{
identifier: read(),
content: read(),
media: read(),
sourceMap: read(),
},
read(),
read()
);
const assets = read();
const assetsInfo = read();
dep.assets = assets;
dep.assetsInfo = assetsInfo;
dep.deserialize(context);
return dep;
},
}
);
}
return CssDependency;
}
constructor(options = {}) {
validate(schema, options, {
name: 'Mini CSS Extract Plugin',
baseDataPath: 'options',
});
this._sortedModulesCache = new WeakMap();
this.options = Object.assign(
{ filename: DEFAULT_FILENAME, ignoreOrder: false },
options
);
this.runtimeOptions = {
insert: options.insert,
linkType:
// Todo in next major release set default to "false"
options.linkType === true || typeof options.linkType === 'undefined'
? 'text/css'
: options.linkType,
attributes: options.attributes,
};
if (!this.options.chunkFilename) {
const { filename } = this.options;
if (typeof filename !== 'function') {
const hasName = filename.includes('[name]');
const hasId = filename.includes('[id]');
const hasChunkHash = filename.includes('[chunkhash]');
const hasContentHash = filename.includes('[contenthash]');
// Anything changing depending on chunk is fine
if (hasChunkHash || hasContentHash || hasName || hasId) {
this.options.chunkFilename = filename;
} else {
// Otherwise prefix "[id]." in front of the basename to make it changing
this.options.chunkFilename = filename.replace(
/(^|\/)([^/]*(?:\?|$))/,
'$1[id].$2'
);
}
} else {
this.options.chunkFilename = '[id].css';
}
}
}
/** @param {import("webpack").Compiler} compiler */
apply(compiler) {
const webpack = compiler.webpack
? compiler.webpack
: // eslint-disable-next-line global-require
require('webpack');
// TODO bug in webpack, remove it after it will be fixed
// webpack tries to `require` loader firstly when serializer doesn't found
if (
webpack.util &&
webpack.util.serialization &&
webpack.util.serialization.registerLoader
) {
webpack.util.serialization.registerLoader(
/^mini-css-extract-plugin\//,
() => true
);
}
const isWebpack4 = compiler.webpack
? false
: typeof compiler.resolvers !== 'undefined';
if (!isWebpack4) {
const { splitChunks } = compiler.options.optimization;
if (splitChunks) {
if (splitChunks.defaultSizeTypes.includes('...')) {
splitChunks.defaultSizeTypes.push(MODULE_TYPE);
}
}
}
// initializeCssDependency
// eslint-disable-next-line no-shadow
const { CssModule, CssDependency } = shared(webpack, (webpack) => {
// eslint-disable-next-line no-shadow
const CssModule = MiniCssExtractPlugin.getCssModule(webpack);
// eslint-disable-next-line no-shadow
const CssDependency = MiniCssExtractPlugin.getCssDependency(webpack);
return { CssModule, CssDependency };
});
compiler.hooks.thisCompilation.tap(pluginName, (compilation) => {
class CssModuleFactory {
// eslint-disable-next-line class-methods-use-this
create({ dependencies: [dependency] }, callback) {
callback(null, new CssModule(dependency));
}
}
compilation.dependencyFactories.set(
CssDependency,
new CssModuleFactory()
);
class CssDependencyTemplate {
// eslint-disable-next-line class-methods-use-this
apply() {}
}
compilation.dependencyTemplates.set(
CssDependency,
new CssDependencyTemplate()
);
if (isWebpack4) {
compilation.mainTemplate.hooks.renderManifest.tap(
pluginName,
(result, { chunk }) => {
const { chunkGraph } = compilation;
const renderedModules = Array.from(
this.getChunkModules(chunk, chunkGraph)
).filter((module) => module.type === MODULE_TYPE);
const filenameTemplate =
chunk.filenameTemplate || this.options.filename;
if (renderedModules.length > 0) {
result.push({
render: () =>
this.renderContentAsset(
compiler,
compilation,
chunk,
renderedModules,
compilation.runtimeTemplate.requestShortener
),
filenameTemplate,
pathOptions: {
chunk,
contentHashType: MODULE_TYPE,
},
identifier: `${pluginName}.${chunk.id}`,
hash: chunk.contentHash[MODULE_TYPE],
});
}
}
);
compilation.chunkTemplate.hooks.renderManifest.tap(
pluginName,
(result, { chunk }) => {
const { chunkGraph } = compilation;
const renderedModules = Array.from(
this.getChunkModules(chunk, chunkGraph)
).filter((module) => module.type === MODULE_TYPE);
const filenameTemplate =
chunk.filenameTemplate || this.options.chunkFilename;
if (renderedModules.length > 0) {
result.push({
render: () =>
this.renderContentAsset(
compiler,
compilation,
chunk,
renderedModules,
compilation.runtimeTemplate.requestShortener
),
filenameTemplate,
pathOptions: {
chunk,
contentHashType: MODULE_TYPE,
},
identifier: `${pluginName}.${chunk.id}`,
hash: chunk.contentHash[MODULE_TYPE],
});
}
}
);
} else {
compilation.hooks.renderManifest.tap(
pluginName,
(result, { chunk }) => {
const { chunkGraph } = compilation;
const { HotUpdateChunk } = webpack;
// We don't need hot update chunks for css
// We will use the real asset instead to update
if (chunk instanceof HotUpdateChunk) {
return;
}
const renderedModules = Array.from(
this.getChunkModules(chunk, chunkGraph)
).filter((module) => module.type === MODULE_TYPE);
const filenameTemplate = chunk.canBeInitial()
? this.options.filename
: this.options.chunkFilename;
if (renderedModules.length > 0) {
result.push({
render: () =>
this.renderContentAsset(
compiler,
compilation,
chunk,
renderedModules,
compilation.runtimeTemplate.requestShortener
),
filenameTemplate,
pathOptions: {
chunk,
contentHashType: MODULE_TYPE,
},
identifier: `${pluginName}.${chunk.id}`,
hash: chunk.contentHash[MODULE_TYPE],
});
}
}
);
}
/*
* For webpack 5 this will be unneeded once the logic uses a RuntimeModule
* as the content of runtime modules is hashed and added to the chunk hash automatically
* */
if (isWebpack4) {
compilation.mainTemplate.hooks.hashForChunk.tap(
pluginName,
(hash, chunk) => {
const { chunkFilename } = this.options;
if (REGEXP_CHUNKHASH.test(chunkFilename)) {
hash.update(JSON.stringify(chunk.getChunkMaps(true).hash));
}
if (REGEXP_CONTENTHASH.test(chunkFilename)) {
hash.update(
JSON.stringify(
chunk.getChunkMaps(true).contentHash[MODULE_TYPE] || {}
)
);
}
if (REGEXP_NAME.test(chunkFilename)) {
hash.update(JSON.stringify(chunk.getChunkMaps(true).name));
}
}
);
}
compilation.hooks.contentHash.tap(pluginName, (chunk) => {
const { outputOptions, chunkGraph } = compilation;
const modules = isWebpack4
? Array.from(this.getChunkModules(chunk, chunkGraph)).filter(
(module) => module.type === MODULE_TYPE
)
: this.sortModules(
compilation,
chunk,
chunkGraph.getChunkModulesIterableBySourceType(
chunk,
MODULE_TYPE
),
compilation.runtimeTemplate.requestShortener
);
if (modules) {
const { hashFunction, hashDigest, hashDigestLength } = outputOptions;
const createHash = compiler.webpack
? compiler.webpack.util.createHash
: webpack.util.createHash;
const hash = createHash(hashFunction);
for (const m of modules) {
m.updateHash(hash, { chunkGraph });
}
// eslint-disable-next-line no-param-reassign
chunk.contentHash[MODULE_TYPE] = hash
.digest(hashDigest)
.substring(0, hashDigestLength);
}
});
const { Template } = webpack;
const { mainTemplate } = compilation;
if (isWebpack4) {
mainTemplate.hooks.localVars.tap(pluginName, (source, chunk) => {
const chunkMap = this.getCssChunkObject(chunk, compilation);
if (Object.keys(chunkMap).length > 0) {
return Template.asString([
source,
'',
'// object to store loaded CSS chunks',
'var installedCssChunks = {',
Template.indent(
chunk.ids.map((id) => `${JSON.stringify(id)}: 0`).join(',\n')
),
'};',
]);
}
return source;
});
mainTemplate.hooks.requireEnsure.tap(
pluginName,
(source, chunk, hash) => {
const chunkMap = this.getCssChunkObject(chunk, compilation);
if (Object.keys(chunkMap).length > 0) {
const chunkMaps = chunk.getChunkMaps();
const { crossOriginLoading } = mainTemplate.outputOptions;
const linkHrefPath = mainTemplate.getAssetPath(
JSON.stringify(this.options.chunkFilename),
{
hash: `" + ${mainTemplate.renderCurrentHashCode(hash)} + "`,
hashWithLength: (length) =>
`" + ${mainTemplate.renderCurrentHashCode(
hash,
length
)} + "`,
chunk: {
id: '" + chunkId + "',
hash: `" + ${JSON.stringify(chunkMaps.hash)}[chunkId] + "`,
hashWithLength(length) {
const shortChunkHashMap = Object.create(null);
for (const chunkId of Object.keys(chunkMaps.hash)) {
if (typeof chunkMaps.hash[chunkId] === 'string') {
shortChunkHashMap[chunkId] = chunkMaps.hash[
chunkId
].substring(0, length);
}
}
return `" + ${JSON.stringify(
shortChunkHashMap
)}[chunkId] + "`;
},
contentHash: {
[MODULE_TYPE]: `" + ${JSON.stringify(
chunkMaps.contentHash[MODULE_TYPE]
)}[chunkId] + "`,
},
contentHashWithLength: {
[MODULE_TYPE]: (length) => {
const shortContentHashMap = {};
const contentHash = chunkMaps.contentHash[MODULE_TYPE];
for (const chunkId of Object.keys(contentHash)) {
if (typeof contentHash[chunkId] === 'string') {
shortContentHashMap[chunkId] = contentHash[
chunkId
].substring(0, length);
}
}
return `" + ${JSON.stringify(
shortContentHashMap
)}[chunkId] + "`;
},
},
name: `" + (${JSON.stringify(
chunkMaps.name
)}[chunkId]||chunkId) + "`,
},
contentHashType: MODULE_TYPE,
}
);
return Template.asString([
source,
'',
`// ${pluginName} CSS loading`,
`var cssChunks = ${JSON.stringify(chunkMap)};`,
'if(installedCssChunks[chunkId]) promises.push(installedCssChunks[chunkId]);',
'else if(installedCssChunks[chunkId] !== 0 && cssChunks[chunkId]) {',
Template.indent([
'promises.push(installedCssChunks[chunkId] = new Promise(function(resolve, reject) {',
Template.indent([
`var href = ${linkHrefPath};`,
`var fullhref = ${mainTemplate.requireFn}.p + href;`,
'var existingLinkTags = document.getElementsByTagName("link");',
'for(var i = 0; i < existingLinkTags.length; i++) {',
Template.indent([
'var tag = existingLinkTags[i];',
'var dataHref = tag.getAttribute("data-href") || tag.getAttribute("href");',
'if(tag.rel === "stylesheet" && (dataHref === href || dataHref === fullhref)) return resolve();',
]),
'}',
'var existingStyleTags = document.getElementsByTagName("style");',
'for(var i = 0; i < existingStyleTags.length; i++) {',
Template.indent([
'var tag = existingStyleTags[i];',
'var dataHref = tag.getAttribute("data-href");',
'if(dataHref === href || dataHref === fullhref) return resolve();',
]),
'}',
'var linkTag = document.createElement("link");',
this.runtimeOptions.attributes
? Template.asString(
Object.entries(this.runtimeOptions.attributes).map(
(entry) => {
const [key, value] = entry;
return `linkTag.setAttribute(${JSON.stringify(
key
)}, ${JSON.stringify(value)});`;
}
)
)
: '',
'linkTag.rel = "stylesheet";',
this.runtimeOptions.linkType
? `linkTag.type = ${JSON.stringify(
this.runtimeOptions.linkType
)};`
: '',
'var onLinkComplete = function (event) {',
Template.indent([
'// avoid mem leaks.',
'linkTag.onerror = linkTag.onload = null;',
"if (event.type === 'load') {",
Template.indent(['resolve();']),
'} else {',
Template.indent([
"var errorType = event && (event.type === 'load' ? 'missing' : event.type);",
'var realHref = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + realHref + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.type = errorType;',
'err.request = realHref;',
'delete installedCssChunks[chunkId]',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
]),
'}',
]),
'};',
'linkTag.onerror = linkTag.onload = onLinkComplete;',
'linkTag.href = fullhref;',
crossOriginLoading
? Template.asString([
`if (linkTag.href.indexOf(window.location.origin + '/') !== 0) {`,
Template.indent(
`linkTag.crossOrigin = ${JSON.stringify(
crossOriginLoading
)};`
),
'}',
])
: '',
typeof this.runtimeOptions.insert !== 'undefined'
? typeof this.runtimeOptions.insert === 'function'
? `(${this.runtimeOptions.insert.toString()})(linkTag)`
: Template.asString([
`var target = document.querySelector("${this.runtimeOptions.insert}");`,
`target.parentNode.insertBefore(linkTag, target.nextSibling);`,
])
: Template.asString([
'document.head.appendChild(linkTag);',
]),
]),
'}).then(function() {',
Template.indent(['installedCssChunks[chunkId] = 0;']),
'}));',
]),
'}',
]);
}
return source;
}
);
} else {
const { RuntimeGlobals, runtime } = webpack;
// eslint-disable-next-line no-shadow
const getCssChunkObject = (mainChunk, compilation) => {
const obj = {};
const { chunkGraph } = compilation;
for (const chunk of mainChunk.getAllAsyncChunks()) {
const modules = chunkGraph.getOrderedChunkModulesIterable(
chunk,
compareModulesByIdentifier
);
for (const module of modules) {
if (module.type === MODULE_TYPE) {
obj[chunk.id] = 1;
break;
}
}
}
return obj;
};
const { RuntimeModule } = webpack;
class CssLoadingRuntimeModule extends RuntimeModule {
constructor(runtimeRequirements, runtimeOptions) {
super('css loading', 10);
this.runtimeRequirements = runtimeRequirements;
this.runtimeOptions = runtimeOptions;
}
generate() {
const { chunk, runtimeRequirements } = this;
const {
runtimeTemplate,
outputOptions: { crossOriginLoading },
} = this.compilation;
const chunkMap = getCssChunkObject(chunk, this.compilation);
const withLoading =
runtimeRequirements.has(RuntimeGlobals.ensureChunkHandlers) &&
Object.keys(chunkMap).length > 0;
const withHmr = runtimeRequirements.has(
RuntimeGlobals.hmrDownloadUpdateHandlers
);
if (!withLoading && !withHmr) {
return null;
}
return Template.asString([
`var createStylesheet = ${runtimeTemplate.basicFunction(
'chunkId, fullhref, resolve, reject',
[
'var linkTag = document.createElement("link");',
this.runtimeOptions.attributes
? Template.asString(
Object.entries(this.runtimeOptions.attributes).map(
(entry) => {
const [key, value] = entry;
return `linkTag.setAttribute(${JSON.stringify(
key
)}, ${JSON.stringify(value)});`;
}
)
)
: '',
'linkTag.rel = "stylesheet";',
this.runtimeOptions.linkType
? `linkTag.type = ${JSON.stringify(
this.runtimeOptions.linkType
)};`
: '',
`var onLinkComplete = ${runtimeTemplate.basicFunction(
'event',
[
'// avoid mem leaks.',
'linkTag.onerror = linkTag.onload = null;',
"if (event.type === 'load') {",
Template.indent(['resolve();']),
'} else {',
Template.indent([
"var errorType = event && (event.type === 'load' ? 'missing' : event.type);",
'var realHref = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + realHref + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.type = errorType;',
'err.request = realHref;',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
]),
'}',
]
)}`,
'linkTag.onerror = linkTag.onload = onLinkComplete;',
'linkTag.href = fullhref;',
crossOriginLoading
? Template.asString([
`if (linkTag.href.indexOf(window.location.origin + '/') !== 0) {`,
Template.indent(
`linkTag.crossOrigin = ${JSON.stringify(
crossOriginLoading
)};`
),
'}',
])
: '',
typeof this.runtimeOptions.insert !== 'undefined'
? typeof this.runtimeOptions.insert === 'function'
? `(${this.runtimeOptions.insert.toString()})(linkTag)`
: Template.asString([
`var target = document.querySelector("${this.runtimeOptions.insert}");`,
`target.parentNode.insertBefore(linkTag, target.nextSibling);`,
])
: Template.asString([
'document.head.appendChild(linkTag);',
]),
'return linkTag;',
]
)};`,
`var findStylesheet = ${runtimeTemplate.basicFunction(
'href, fullhref',
[
'var existingLinkTags = document.getElementsByTagName("link");',
'for(var i = 0; i < existingLinkTags.length; i++) {',
Template.indent([
'var tag = existingLinkTags[i];',
'var dataHref = tag.getAttribute("data-href") || tag.getAttribute("href");',
'if(tag.rel === "stylesheet" && (dataHref === href || dataHref === fullhref)) return tag;',
]),
'}',
'var existingStyleTags = document.getElementsByTagName("style");',
'for(var i = 0; i < existingStyleTags.length; i++) {',
Template.indent([
'var tag = existingStyleTags[i];',
'var dataHref = tag.getAttribute("data-href");',
'if(dataHref === href || dataHref === fullhref) return tag;',
]),
'}',
]
)};`,
`var loadStylesheet = ${runtimeTemplate.basicFunction(
'chunkId',
`return new Promise(${runtimeTemplate.basicFunction(
'resolve, reject',
[
`var href = ${RuntimeGlobals.require}.miniCssF(chunkId);`,
`var fullhref = ${RuntimeGlobals.publicPath} + href;`,
'if(findStylesheet(href, fullhref)) return resolve();',
'createStylesheet(chunkId, fullhref, resolve, reject);',
]
)});`
)}`,
withLoading
? Template.asString([
'// object to store loaded CSS chunks',
'var installedCssChunks = {',
Template.indent(
chunk.ids
.map((id) => `${JSON.stringify(id)}: 0`)
.join(',\n')
),
'};',
'',
`${
RuntimeGlobals.ensureChunkHandlers
}.miniCss = ${runtimeTemplate.basicFunction(
'chunkId, promises',
[
`var cssChunks = ${JSON.stringify(chunkMap)};`,
'if(installedCssChunks[chunkId]) promises.push(installedCssChunks[chunkId]);',
'else if(installedCssChunks[chunkId] !== 0 && cssChunks[chunkId]) {',
Template.indent([
`promises.push(installedCssChunks[chunkId] = loadStylesheet(chunkId).then(${runtimeTemplate.basicFunction(
'',
'installedCssChunks[chunkId] = 0;'
)}, ${runtimeTemplate.basicFunction('e', [
'delete installedCssChunks[chunkId];',
'throw e;',
])}));`,
]),
'}',
]
)};`,
])
: '// no chunk loading',
'',
withHmr
? Template.asString([
'var oldTags = [];',
'var newTags = [];',
`var applyHandler = ${runtimeTemplate.basicFunction(
'options',
[
`return { dispose: ${runtimeTemplate.basicFunction('', [
'for(var i = 0; i < oldTags.length; i++) {',
Template.indent([
'var oldTag = oldTags[i];',
'if(oldTag.parentNode) oldTag.parentNode.removeChild(oldTag);',
]),
'}',
'oldTags.length = 0;',
])}, apply: ${runtimeTemplate.basicFunction('', [
'for(var i = 0; i < newTags.length; i++) newTags[i].rel = "stylesheet";',
'newTags.length = 0;',
])} };`,
]
)}`,
`${
RuntimeGlobals.hmrDownloadUpdateHandlers
}.miniCss = ${runtimeTemplate.basicFunction(
'chunkIds, removedChunks, removedModules, promises, applyHandlers, updatedModulesList',
[
'applyHandlers.push(applyHandler);',
`chunkIds.forEach(${runtimeTemplate.basicFunction(
'chunkId',
[
`var href = ${RuntimeGlobals.require}.miniCssF(chunkId);`,
`var fullhref = ${RuntimeGlobals.publicPath} + href;`,
'const oldTag = findStylesheet(href, fullhref);',
'if(!oldTag) return;',
`promises.push(new Promise(${runtimeTemplate.basicFunction(
'resolve, reject',