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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.resourceToDataURL = exports.fetchAsDataURL = exports.makeDataUrl = exports.isDataUrl = void 0; | |
| function getContentFromDataUrl(dataURL) { | |
| return dataURL.split(/,/)[1]; | |
| } | |
| function isDataUrl(url) { | |
| return url.search(/^(data:)/) !== -1; | |
| } | |
| exports.isDataUrl = isDataUrl; | |
| function makeDataUrl(content, mimeType) { | |
| return "data:".concat(mimeType, ";base64,").concat(content); | |
| } | |
| exports.makeDataUrl = makeDataUrl; | |
| function fetchAsDataURL(url, init, process) { | |
| return __awaiter(this, void 0, void 0, function () { | |
| var res, blob; | |
| return __generator(this, function (_a) { | |
| switch (_a.label) { | |
| case 0: return [4 /*yield*/, fetch(url, init)]; | |
| case 1: | |
| res = _a.sent(); | |
| if (res.status === 404) { | |
| throw new Error("Resource \"".concat(res.url, "\" not found")); | |
| } | |
| return [4 /*yield*/, res.blob()]; | |
| case 2: | |
| blob = _a.sent(); | |
| return [2 /*return*/, new Promise(function (resolve, reject) { | |
| var reader = new FileReader(); | |
| reader.onerror = reject; | |
| reader.onloadend = function () { | |
| try { | |
| resolve(process({ res: res, result: reader.result })); | |
| } | |
| catch (error) { | |
| reject(error); | |
| } | |
| }; | |
| reader.readAsDataURL(blob); | |
| })]; | |
| } | |
| }); | |
| }); | |
| } | |
| exports.fetchAsDataURL = fetchAsDataURL; | |
| var cache = {}; | |
| function getCacheKey(url, contentType, includeQueryParams) { | |
| var key = url.replace(/\?.*/, ''); | |
| if (includeQueryParams) { | |
| key = url; | |
| } | |
| // font resource | |
| if (/ttf|otf|eot|woff2?/i.test(key)) { | |
| key = key.replace(/.*\//, ''); | |
| } | |
| return contentType ? "[".concat(contentType, "]").concat(key) : key; | |
| } | |
| function resourceToDataURL(resourceUrl, contentType, options) { | |
| return __awaiter(this, void 0, void 0, function () { | |
| var cacheKey, dataURL, content, error_1, msg; | |
| return __generator(this, function (_a) { | |
| switch (_a.label) { | |
| case 0: | |
| cacheKey = getCacheKey(resourceUrl, contentType, options.includeQueryParams); | |
| if (cache[cacheKey] != null) { | |
| return [2 /*return*/, cache[cacheKey]]; | |
| } | |
| // ref: https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Bypassing_the_cache | |
| if (options.cacheBust) { | |
| // eslint-disable-next-line no-param-reassign | |
| resourceUrl += (/\?/.test(resourceUrl) ? '&' : '?') + new Date().getTime(); | |
| } | |
| _a.label = 1; | |
| case 1: | |
| _a.trys.push([1, 3, , 4]); | |
| return [4 /*yield*/, fetchAsDataURL(resourceUrl, options.fetchRequestInit, function (_a) { | |
| var res = _a.res, result = _a.result; | |
| if (!contentType) { | |
| // eslint-disable-next-line no-param-reassign | |
| contentType = res.headers.get('Content-Type') || ''; | |
| } | |
| return getContentFromDataUrl(result); | |
| })]; | |
| case 2: | |
| content = _a.sent(); | |
| dataURL = makeDataUrl(content, contentType); | |
| return [3 /*break*/, 4]; | |
| case 3: | |
| error_1 = _a.sent(); | |
| dataURL = options.imagePlaceholder || ''; | |
| msg = "Failed to fetch resource: ".concat(resourceUrl); | |
| if (error_1) { | |
| msg = typeof error_1 === 'string' ? error_1 : error_1.message; | |
| } | |
| if (msg) { | |
| console.warn(msg); | |
| } | |
| return [3 /*break*/, 4]; | |
| case 4: | |
| cache[cacheKey] = dataURL; | |
| return [2 /*return*/, dataURL]; | |
| } | |
| }); | |
| }); | |
| } | |
| exports.resourceToDataURL = resourceToDataURL; | |
| //# sourceMappingURL=dataurl.js.map |