78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
'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 _passiveEventListeners = require('./passive-event-listeners');
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var _utils = require('./utils');
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var _utils2 = _interopRequireDefault(_utils);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var scrollHash = {
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mountFlag: false,
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initialized: false,
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scroller: null,
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containers: {},
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mount: function mount(scroller) {
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this.scroller = scroller;
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this.handleHashChange = this.handleHashChange.bind(this);
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window.addEventListener('hashchange', this.handleHashChange);
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this.initStateFromHash();
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this.mountFlag = true;
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},
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mapContainer: function mapContainer(to, container) {
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this.containers[to] = container;
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},
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isMounted: function isMounted() {
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return this.mountFlag;
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},
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isInitialized: function isInitialized() {
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return this.initialized;
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},
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initStateFromHash: function initStateFromHash() {
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var _this = this;
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var hash = this.getHash();
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if (hash) {
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window.setTimeout(function () {
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_this.scrollTo(hash, true);
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_this.initialized = true;
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}, 10);
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} else {
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this.initialized = true;
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}
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},
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scrollTo: function scrollTo(to, isInit) {
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var scroller = this.scroller;
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var element = scroller.get(to);
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if (element && (isInit || to !== scroller.getActiveLink())) {
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var container = this.containers[to] || document;
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scroller.scrollTo(to, { container: container });
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}
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},
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getHash: function getHash() {
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return _utils2.default.getHash();
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},
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changeHash: function changeHash(to, saveHashHistory) {
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if (this.isInitialized() && _utils2.default.getHash() !== to) {
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_utils2.default.updateHash(to, saveHashHistory);
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}
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},
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handleHashChange: function handleHashChange() {
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this.scrollTo(this.getHash());
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},
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unmount: function unmount() {
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this.scroller = null;
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this.containers = null;
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window.removeEventListener('hashchange', this.handleHashChange);
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}
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};
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exports.default = scrollHash; |