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kitabcitab/node_modules/next/dist/build/webpack/plugins/font-stylesheet-gathering-plugin.js
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217
kitabcitab/node_modules/next/dist/build/webpack/plugins/font-stylesheet-gathering-plugin.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _webpack = require("next/dist/compiled/webpack/webpack");
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var _fontUtils = require("../../../server/font-utils");
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var _postcss = _interopRequireDefault(require("postcss"));
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var _cssnanoSimple = _interopRequireDefault(require("next/dist/compiled/cssnano-simple"));
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var _constants = require("../../../shared/lib/constants");
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var Log = _interopRequireWildcard(require("../../output/log"));
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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function _getRequireWildcardCache() {
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if (typeof WeakMap !== "function") return null;
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var cache = new WeakMap();
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_getRequireWildcardCache = function() {
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return cache;
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};
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return cache;
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}
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function _interopRequireWildcard(obj) {
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if (obj && obj.__esModule) {
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return obj;
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}
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if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
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return {
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default: obj
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};
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}
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var cache = _getRequireWildcardCache();
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if (cache && cache.has(obj)) {
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return cache.get(obj);
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}
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var newObj = {};
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var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
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for(var key in obj){
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if (Object.prototype.hasOwnProperty.call(obj, key)) {
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var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
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if (desc && (desc.get || desc.set)) {
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Object.defineProperty(newObj, key, desc);
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} else {
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newObj[key] = obj[key];
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}
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}
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}
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newObj.default = obj;
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if (cache) {
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cache.set(obj, newObj);
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}
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return newObj;
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}
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function minifyCss(css) {
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return (0, _postcss).default([
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(0, _cssnanoSimple).default({
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excludeAll: true,
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discardComments: true,
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normalizeWhitespace: {
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exclude: false
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}
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}, _postcss.default),
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]).process(css, {
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from: undefined
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}).then((res)=>res.css);
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}
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function isNodeCreatingLinkElement(node) {
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const callee = node.callee;
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if (callee.type !== "Identifier") {
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return false;
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}
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const componentNode = node.arguments[0];
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if (componentNode.type !== "Literal") {
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return false;
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}
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// React has pragma: _jsx.
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// Next has pragma: __jsx.
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return (callee.name === "_jsx" || callee.name === "__jsx") && componentNode.value === "link";
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}
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class FontStylesheetGatheringPlugin {
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gatheredStylesheets = [];
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manifestContent = [];
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constructor({ adjustFontFallbacks , adjustFontFallbacksWithSizeAdjust }){
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this.adjustFontFallbacks = adjustFontFallbacks;
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this.adjustFontFallbacksWithSizeAdjust = adjustFontFallbacksWithSizeAdjust;
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}
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parserHandler = (factory)=>{
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const JS_TYPES = [
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"auto",
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"esm",
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"dynamic"
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];
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// Do an extra walk per module and add interested visitors to the walk.
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for (const type of JS_TYPES){
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factory.hooks.parser.for("javascript/" + type).tap(this.constructor.name, (parser)=>{
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/**
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* Webpack fun facts:
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* `parser.hooks.call.for` cannot catch calls for user defined identifiers like `__jsx`
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* it can only detect calls for native objects like `window`, `this`, `eval` etc.
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* In order to be able to catch calls of variables like `__jsx`, first we need to catch them as
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* Identifier and then return `BasicEvaluatedExpression` whose `id` and `type` webpack matches to
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* invoke hook for call.
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* See: https://github.com/webpack/webpack/blob/webpack-4/lib/Parser.js#L1931-L1932.
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*/ parser.hooks.evaluate.for("Identifier").tap(this.constructor.name, (node)=>{
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var ref, ref1;
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// We will only optimize fonts from first party code.
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if (parser == null ? void 0 : (ref = parser.state) == null ? void 0 : (ref1 = ref.module) == null ? void 0 : ref1.resource.includes("node_modules")) {
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return;
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}
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let result;
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if (node.name === "_jsx" || node.name === "__jsx") {
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result = new _webpack.BasicEvaluatedExpression();
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// @ts-ignore
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result.setRange(node.range);
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result.setExpression(node);
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result.setIdentifier(node.name);
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// This was added in webpack 5.
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result.getMembers = ()=>[];
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}
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return result;
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});
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const jsxNodeHandler = (node)=>{
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var ref, ref2;
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if (node.arguments.length !== 2) {
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// A font link tag has only two arguments rel=stylesheet and href='...'
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return;
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}
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if (!isNodeCreatingLinkElement(node)) {
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return;
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}
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// node.arguments[0] is the name of the tag and [1] are the props.
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const arg1 = node.arguments[1];
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const propsNode = arg1.type === "ObjectExpression" ? arg1 : undefined;
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const props = {};
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if (propsNode) {
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propsNode.properties.forEach((prop)=>{
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if (prop.type !== "Property") {
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return;
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}
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if (prop.key.type === "Identifier" && prop.value.type === "Literal") {
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props[prop.key.name] = prop.value.value;
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}
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});
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}
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if (!props.rel || props.rel !== "stylesheet" || !props.href || !_constants.OPTIMIZED_FONT_PROVIDERS.some(({ url })=>props.href.startsWith(url))) {
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return false;
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}
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this.gatheredStylesheets.push(props.href);
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const buildInfo = parser == null ? void 0 : (ref = parser.state) == null ? void 0 : (ref2 = ref.module) == null ? void 0 : ref2.buildInfo;
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if (buildInfo) {
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buildInfo.valueDependencies.set(_constants.FONT_MANIFEST, this.gatheredStylesheets);
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}
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};
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// React JSX transform:
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parser.hooks.call.for("_jsx").tap(this.constructor.name, jsxNodeHandler);
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// Next.js JSX transform:
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parser.hooks.call.for("__jsx").tap(this.constructor.name, jsxNodeHandler);
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// New React JSX transform:
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parser.hooks.call.for("imported var").tap(this.constructor.name, jsxNodeHandler);
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});
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}
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};
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apply(compiler) {
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this.compiler = compiler;
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compiler.hooks.normalModuleFactory.tap(this.constructor.name, this.parserHandler);
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compiler.hooks.make.tapAsync(this.constructor.name, (compilation, cb)=>{
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compilation.hooks.finishModules.tapAsync(this.constructor.name, async (modules, modulesFinished)=>{
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let fontStylesheets = this.gatheredStylesheets;
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const fontUrls = new Set();
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modules.forEach((module)=>{
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var ref, ref3;
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const fontDependencies = module == null ? void 0 : (ref = module.buildInfo) == null ? void 0 : (ref3 = ref.valueDependencies) == null ? void 0 : ref3.get(_constants.FONT_MANIFEST);
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if (fontDependencies) {
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fontDependencies.forEach((v)=>fontUrls.add(v));
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}
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});
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fontStylesheets = Array.from(fontUrls);
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const fontDefinitionPromises = fontStylesheets.map((url)=>(0, _fontUtils).getFontDefinitionFromNetwork(url));
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this.manifestContent = [];
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for(let promiseIndex in fontDefinitionPromises){
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let css = await fontDefinitionPromises[promiseIndex];
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if (this.adjustFontFallbacks) {
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css += (0, _fontUtils).getFontOverrideCss(fontStylesheets[promiseIndex], css, this.adjustFontFallbacksWithSizeAdjust);
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}
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if (css) {
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try {
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const content = await minifyCss(css);
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this.manifestContent.push({
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url: fontStylesheets[promiseIndex],
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content
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});
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} catch (err) {
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Log.warn(`Failed to minify the stylesheet for ${fontStylesheets[promiseIndex]}. Skipped optimizing this font.`);
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console.error(err);
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}
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}
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}
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// @ts-expect-error invalid assets type
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compilation.assets[_constants.FONT_MANIFEST] = new _webpack.sources.RawSource(JSON.stringify(this.manifestContent, null, " "));
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modulesFinished();
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});
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cb();
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});
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compiler.hooks.make.tap(this.constructor.name, (compilation)=>{
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compilation.hooks.processAssets.tap({
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name: this.constructor.name,
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stage: _webpack.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
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}, (assets)=>{
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assets["../" + _constants.FONT_MANIFEST] = new _webpack.sources.RawSource(JSON.stringify(this.manifestContent, null, " "));
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});
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});
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}
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}
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exports.FontStylesheetGatheringPlugin = FontStylesheetGatheringPlugin;
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//# sourceMappingURL=font-stylesheet-gathering-plugin.js.map
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