@microsoft/omnichannel-chat-sdk
Version:
Microsoft Omnichannel Chat SDK
142 lines • 8.88 kB
JavaScript
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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 = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["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 };
}
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.sleep = exports.removeElementById = exports.loadScript = void 0;
var sleep_1 = require("./sleep");
exports.sleep = sleep_1.default;
var defaultLoadScriptRetries = 3;
var maxBackoffSeconds = 60;
var loadScript = function (scriptUrl_1) {
var args_1 = [];
for (var _i = 1; _i < arguments.length; _i++) {
args_1[_i - 1] = arguments[_i];
}
return __awaiter(void 0, __spreadArray([scriptUrl_1], args_1, true), void 0, function (scriptUrl, callbackOnload, callbackError, retries, attempt) {
if (callbackOnload === void 0) { callbackOnload = function () { return void (0); }; }
if (callbackError === void 0) { callbackError = function () { return void (0); }; }
if (retries === void 0) { retries = defaultLoadScriptRetries; }
if (attempt === void 0) { attempt = 0; }
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) { return __awaiter(void 0, void 0, void 0, function () {
var scriptElements, foundScriptElement, scriptElement;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
scriptElements = Array.from(document.getElementsByTagName('script'));
foundScriptElement = scriptElements.filter(function (scriptElement) { return scriptElement.src == scriptUrl; });
if (!foundScriptElement.length) return [3 /*break*/, 2];
return [4 /*yield*/, callbackOnload()];
case 1:
_a.sent();
return [2 /*return*/, resolve()];
case 2:
scriptElement = document.createElement('script');
scriptElement.setAttribute('src', scriptUrl);
scriptElement.setAttribute('type', 'text/javascript');
document.head.appendChild(scriptElement);
scriptElement.addEventListener('load', function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, callbackOnload()];
case 1:
_a.sent();
resolve();
return [2 /*return*/];
}
});
}); });
scriptElement.addEventListener('error', function () { return __awaiter(void 0, void 0, void 0, function () {
var exponentialBackoffWaitTime, e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(++attempt >= retries)) return [3 /*break*/, 2];
return [4 /*yield*/, callbackError()];
case 1:
_a.sent();
// Reference: https://developer.mozilla.org/en-US/docs/Web/API/Element/error_event
return [2 /*return*/, reject(new Error("Resource failed to load, or can't be used."))];
case 2:
scriptElement.remove();
exponentialBackoffWaitTime = Math.min((Math.pow(2, attempt)) + Math.random(), maxBackoffSeconds) * 1000;
return [4 /*yield*/, (0, sleep_1.default)(exponentialBackoffWaitTime)];
case 3:
_a.sent();
_a.label = 4;
case 4:
_a.trys.push([4, 6, , 7]);
return [4 /*yield*/, loadScript(scriptUrl, callbackOnload, callbackError, retries, attempt)];
case 5:
_a.sent();
return [3 /*break*/, 7];
case 6:
e_1 = _a.sent();
reject(e_1);
return [3 /*break*/, 7];
case 7: return [2 /*return*/];
}
});
}); });
return [2 /*return*/];
}
});
}); })];
});
});
};
exports.loadScript = loadScript;
var removeElementById = function (id) {
var _a;
(_a = document.getElementById(id)) === null || _a === void 0 ? void 0 : _a.remove();
};
exports.removeElementById = removeElementById;
exports.default = {
loadScript: loadScript,
removeElementById: removeElementById,
sleep: sleep_1.default
};
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