universalviewer
Version:
The Universal Viewer is a community-developed open source project on a mission to help you share your 📚📜📰📽️📻🗿 with the 🌎
315 lines • 12.3 kB
JavaScript
;
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StorageType = exports.StorageItem = exports.Storage = exports.getUUID = exports.defaultLocale = exports.isVisible = exports.loadCSS = exports.loadScripts = exports.propertyChanged = exports.propertiesChanged = exports.debounce = exports.isValidUrl = exports.sanitize = exports.merge = void 0;
var filterXSS = require("xss");
exports.merge = require("lodash/merge");
var sanitize = function (html) {
return filterXSS(html, {
whiteList: {
a: ["href", "title", "target", "class", "data-uv-navigate"],
b: [],
br: [],
em: [],
i: [],
img: ["src", "alt"],
p: [],
small: [],
span: ["data-uv-navigate"],
strong: [],
sub: [],
sup: [],
},
});
};
exports.sanitize = sanitize;
var isValidUrl = function (value) {
var a = document.createElement("a");
a.href = value;
return !!a.host && a.host !== window.location.host;
};
exports.isValidUrl = isValidUrl;
var debounce = function (callback, wait) {
var timeout;
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var context = this;
clearTimeout(timeout);
timeout = setTimeout(function () { return callback.apply(context, args); }, wait);
};
};
exports.debounce = debounce;
var propertiesChanged = function (newData, currentData, properties) {
var propChanged = false;
for (var i = 0; i < properties.length; i++) {
propChanged = (0, exports.propertyChanged)(newData, currentData, properties[i]);
if (propChanged) {
break;
}
}
return propChanged;
};
exports.propertiesChanged = propertiesChanged;
var propertyChanged = function (newData, currentData, propertyName) {
return currentData[propertyName] !== newData[propertyName];
};
exports.propertyChanged = propertyChanged;
function appendScript(src) {
return new Promise(function (resolve) {
var script = document.createElement("script");
script.src = src;
script.onload = function () { return resolve(); };
document.head.appendChild(script);
});
}
function appendCSS(src) {
return new Promise(function (resolve) {
var link = document.createElement("link");
link.rel = "stylesheet";
link.href = src;
link.onload = function () { return resolve(); };
document.head.appendChild(link);
});
}
var loadScripts = function (sources) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(sources.map(function (src) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, appendScript(src)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); }))];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); };
exports.loadScripts = loadScripts;
var loadCSS = function (sources) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(sources.map(function (src) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, appendCSS(src)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); }))];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); };
exports.loadCSS = loadCSS;
var isVisible = function (el) {
// return el.css("visibility") !== "hidden"
return el.is(":visible");
};
exports.isVisible = isVisible;
exports.defaultLocale = {
name: "en-GB",
};
var getUUID = function () {
return URL.createObjectURL(new Blob()).substr(-36);
};
exports.getUUID = getUUID;
var Storage = /** @class */ (function () {
function Storage() {
}
Storage.clear = function (storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
switch (storageType) {
case StorageType.MEMORY:
this._memoryStorage = {};
break;
case StorageType.SESSION:
sessionStorage.clear();
break;
case StorageType.LOCAL:
localStorage.clear();
break;
}
};
Storage.clearExpired = function (storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
var items = this.getItems(storageType);
for (var i = 0; i < items.length; i++) {
var item = items[i];
if (this._isExpired(item)) {
this.remove(item.key);
}
}
};
Storage.get = function (key, storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
var data = null;
switch (storageType) {
case StorageType.MEMORY:
data = this._memoryStorage[key];
break;
case StorageType.SESSION:
data = sessionStorage.getItem(key);
break;
case StorageType.LOCAL:
data = localStorage.getItem(key);
break;
}
if (!data)
return null;
var item = null;
try {
item = JSON.parse(data);
}
catch (error) {
return null;
}
if (!item)
return null;
if (this._isExpired(item))
return null;
// useful reference
item.key = key;
return item;
};
Storage._isExpired = function (item) {
if (new Date().getTime() < item.expiresAt) {
return false;
}
return true;
};
Storage.getItems = function (storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
var items = [];
switch (storageType) {
case StorageType.MEMORY:
var keys = Object.keys(this._memoryStorage);
for (var i = 0; i < keys.length; i++) {
var item = this.get(keys[i], StorageType.MEMORY);
if (item) {
items.push(item);
}
}
break;
case StorageType.SESSION:
for (var i = 0; i < sessionStorage.length; i++) {
var key = sessionStorage.key(i);
if (key) {
var item = this.get(key, StorageType.SESSION);
if (item) {
items.push(item);
}
}
}
break;
case StorageType.LOCAL:
for (var i = 0; i < localStorage.length; i++) {
var key = localStorage.key(i);
if (key) {
var item = this.get(key, StorageType.LOCAL);
if (item) {
items.push(item);
}
}
}
break;
}
return items;
};
Storage.remove = function (key, storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
switch (storageType) {
case StorageType.MEMORY:
delete this._memoryStorage[key];
break;
case StorageType.SESSION:
sessionStorage.removeItem(key);
break;
case StorageType.LOCAL:
localStorage.removeItem(key);
break;
}
};
Storage.set = function (key, value, expirationSecs, storageType) {
if (storageType === void 0) { storageType = StorageType.MEMORY; }
var expirationMS = expirationSecs * 1000;
var record = new StorageItem();
record.value = value;
record.expiresAt = new Date().getTime() + expirationMS;
switch (storageType) {
case StorageType.MEMORY:
this._memoryStorage[key] = JSON.stringify(record);
break;
case StorageType.SESSION:
sessionStorage.setItem(key, JSON.stringify(record));
break;
case StorageType.LOCAL:
localStorage.setItem(key, JSON.stringify(record));
break;
}
return record;
};
Storage._memoryStorage = {};
return Storage;
}());
exports.Storage = Storage;
var StorageItem = /** @class */ (function () {
function StorageItem() {
}
return StorageItem;
}());
exports.StorageItem = StorageItem;
var StorageType;
(function (StorageType) {
StorageType["MEMORY"] = "memory";
StorageType["SESSION"] = "session";
StorageType["LOCAL"] = "local";
})(StorageType || (exports.StorageType = StorageType = {}));
//# sourceMappingURL=Utils.js.map