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| ; | |
| var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { | |
| function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } | |
| return new (P || (P = Promise))(function (resolve, reject) { | |
| function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } | |
| function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } | |
| function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } | |
| step((generator = generator.apply(thisArg, _arguments || [])).next()); | |
| }); | |
| }; | |
| var __generator = (this && this.__generator) || function (thisArg, body) { | |
| var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; | |
| return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; | |
| function verb(n) { return function (v) { return step([n, v]); }; } | |
| function step(op) { | |
| if (f) throw new TypeError("Generator is already executing."); | |
| while (g && (g = 0, op[0] && (_ = 0)), _) try { | |
| if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; | |
| if (y = 0, t) op = [op[0] & 2, t.value]; | |
| switch (op[0]) { | |
| case 0: case 1: t = op; break; | |
| case 4: _.label++; return { value: op[1], done: false }; | |
| case 5: _.label++; y = op[1]; op = [0]; continue; | |
| case 7: op = _.ops.pop(); _.trys.pop(); continue; | |
| default: | |
| if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } | |
| if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } | |
| if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } | |
| if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } | |
| if (t[2]) _.ops.pop(); | |
| _.trys.pop(); continue; | |
| } | |
| op = body.call(thisArg, _); | |
| } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } | |
| if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; | |
| } | |
| }; | |
| Object.defineProperty(exports, "__esModule", { value: true }); | |
| exports.embedResources = exports.shouldEmbed = exports.embed = exports.parseURLs = void 0; | |
| var util_1 = require("./util"); | |
| var mimes_1 = require("./mimes"); | |
| var dataurl_1 = require("./dataurl"); | |
| var URL_REGEX = /url\((['"]?)([^'"]+?)\1\)/g; | |
| var URL_WITH_FORMAT_REGEX = /url\([^)]+\)\s*format\((["']?)([^"']+)\1\)/g; | |
| var FONT_SRC_REGEX = /src:\s*(?:url\([^)]+\)\s*format\([^)]+\)[,;]\s*)+/g; | |
| function toRegex(url) { | |
| // eslint-disable-next-line no-useless-escape | |
| var escaped = url.replace(/([.*+?^${}()|\[\]\/\\])/g, '\\$1'); | |
| return new RegExp("(url\\(['\"]?)(".concat(escaped, ")(['\"]?\\))"), 'g'); | |
| } | |
| function parseURLs(cssText) { | |
| var urls = []; | |
| cssText.replace(URL_REGEX, function (raw, quotation, url) { | |
| urls.push(url); | |
| return raw; | |
| }); | |
| return urls.filter(function (url) { return !(0, dataurl_1.isDataUrl)(url); }); | |
| } | |
| exports.parseURLs = parseURLs; | |
| function embed(cssText, resourceURL, baseURL, options, getContentFromUrl) { | |
| return __awaiter(this, void 0, void 0, function () { | |
| var resolvedURL, contentType, dataURL, content, error_1; | |
| return __generator(this, function (_a) { | |
| switch (_a.label) { | |
| case 0: | |
| _a.trys.push([0, 5, , 6]); | |
| resolvedURL = baseURL ? (0, util_1.resolveUrl)(resourceURL, baseURL) : resourceURL; | |
| contentType = (0, mimes_1.getMimeType)(resourceURL); | |
| dataURL = void 0; | |
| if (!getContentFromUrl) return [3 /*break*/, 2]; | |
| return [4 /*yield*/, getContentFromUrl(resolvedURL)]; | |
| case 1: | |
| content = _a.sent(); | |
| dataURL = (0, dataurl_1.makeDataUrl)(content, contentType); | |
| return [3 /*break*/, 4]; | |
| case 2: return [4 /*yield*/, (0, dataurl_1.resourceToDataURL)(resolvedURL, contentType, options)]; | |
| case 3: | |
| dataURL = _a.sent(); | |
| _a.label = 4; | |
| case 4: return [2 /*return*/, cssText.replace(toRegex(resourceURL), "$1".concat(dataURL, "$3"))]; | |
| case 5: | |
| error_1 = _a.sent(); | |
| return [3 /*break*/, 6]; | |
| case 6: return [2 /*return*/, cssText]; | |
| } | |
| }); | |
| }); | |
| } | |
| exports.embed = embed; | |
| function filterPreferredFontFormat(str, _a) { | |
| var preferredFontFormat = _a.preferredFontFormat; | |
| return !preferredFontFormat | |
| ? str | |
| : str.replace(FONT_SRC_REGEX, function (match) { | |
| // eslint-disable-next-line no-constant-condition | |
| while (true) { | |
| var _a = URL_WITH_FORMAT_REGEX.exec(match) || [], src = _a[0], format = _a[2]; | |
| if (!format) { | |
| return ''; | |
| } | |
| if (format === preferredFontFormat) { | |
| return "src: ".concat(src, ";"); | |
| } | |
| } | |
| }); | |
| } | |
| function shouldEmbed(url) { | |
| return url.search(URL_REGEX) !== -1; | |
| } | |
| exports.shouldEmbed = shouldEmbed; | |
| function embedResources(cssText, baseUrl, options) { | |
| return __awaiter(this, void 0, void 0, function () { | |
| var filteredCSSText, urls; | |
| return __generator(this, function (_a) { | |
| if (!shouldEmbed(cssText)) { | |
| return [2 /*return*/, cssText]; | |
| } | |
| filteredCSSText = filterPreferredFontFormat(cssText, options); | |
| urls = parseURLs(filteredCSSText); | |
| return [2 /*return*/, urls.reduce(function (deferred, url) { | |
| return deferred.then(function (css) { return embed(css, url, baseUrl, options); }); | |
| }, Promise.resolve(filteredCSSText))]; | |
| }); | |
| }); | |
| } | |
| exports.embedResources = embedResources; | |
| //# sourceMappingURL=embed-resources.js.map |