299 lines
8.6 KiB
TypeScript
299 lines
8.6 KiB
TypeScript
/* eslint-disable no-console, @typescript-eslint/no-explicit-any */
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declare let remark_config: CommentsConfig;
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import loadPolyfills from '@app/common/polyfills';
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import { BASE_URL, NODE_ID, COMMENT_NODE_CLASSNAME_PREFIX } from '@app/common/constants';
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import { UserInfo, Theme } from '@app/common/types';
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import { CommentsConfig } from '@app/common/config-types';
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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async function init(): Promise<void> {
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__webpack_public_path__ = BASE_URL + '/web/';
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await loadPolyfills();
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const node = document.getElementById(NODE_ID);
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if (!node) {
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console.error("Remark42: Can't find root node.");
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return;
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}
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try {
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remark_config = remark_config || {};
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} catch (e) {
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console.error('Remark42: Config object is undefined.');
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return;
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}
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if (!remark_config.site_id) {
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console.error('Remark42: Site ID is undefined.');
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return;
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}
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remark_config.url = (remark_config.url || window.location.href).split('#')[0];
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(window as any).REMARK42 = (window as any).REMARK42 || {};
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(window as any).REMARK42.changeTheme = changeTheme;
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const query = Object.keys(remark_config)
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.map((key: any) => `${encodeURIComponent(key)}=${encodeURIComponent((remark_config as any)[key])}`)
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.join('&');
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node.innerHTML = `
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<iframe
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src="${BASE_URL}/web/iframe.html?${query}"
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width="100%"
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frameborder="0"
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allowtransparency="true"
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scrolling="no"
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tabindex="0"
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title="Remark42"
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style="width: 1px !important; min-width: 100% !important; border: none !important; overflow: hidden !important;"
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horizontalscrolling="no"
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verticalscrolling="no"
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></iframe>
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`;
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const iframe = node.getElementsByTagName('iframe')[0];
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window.addEventListener('message', receiveMessages);
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window.addEventListener('hashchange', postHashToIframe);
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document.addEventListener('click', postClickOutsideToIframe);
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const titleElement = document.querySelector('title');
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if (titleElement) {
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new MutationObserver(mutations => postTitleToIframe(mutations[0].target.textContent!)).observe(titleElement, {
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subtree: true,
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characterData: true,
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childList: true,
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});
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}
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const remarkRootId = 'remark-km423lmfdslkm34';
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const userInfo: {
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node: HTMLElement | null;
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back: HTMLElement | null;
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closeEl: HTMLElement | null;
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iframe: HTMLIFrameElement | null;
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style: HTMLStyleElement | null;
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init: (user: UserInfo) => void;
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close: () => void;
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delay: number | null;
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events: string[];
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onAnimationClose: () => void;
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onKeyDown: (e: KeyboardEvent) => void;
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animationStop: () => void;
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remove: () => void;
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} = {
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node: null,
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back: null,
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closeEl: null,
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iframe: null,
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style: null,
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init(user) {
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this.animationStop();
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if (!this.style) {
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this.style = document.createElement('style');
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this.style.setAttribute('rel', 'stylesheet');
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this.style.setAttribute('type', 'text/css');
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this.style.innerHTML = `
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#${remarkRootId}-node {
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position: fixed;
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top: 0;
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right: 0;
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bottom: 0;
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width: 400px;
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transition: transform 0.4s ease-out;
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max-width: 100%;
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transform: translate(400px, 0);
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}
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#${remarkRootId}-node[data-animation] {
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transform: translate(0, 0);
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}
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#${remarkRootId}-back {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0,0,0,0.7);
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opacity: 0;
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transition: opacity 0.4s ease-out;
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}
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#${remarkRootId}-back[data-animation] {
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opacity: 1;
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}
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#${remarkRootId}-close {
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top: 0px;
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right: 400px;
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position: absolute;
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text-align: center;
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font-size: 25px;
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cursor: pointer;
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color: white;
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border-color: transparent;
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border-width: 0;
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padding: 0;
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margin-right: 4px;
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background-color: transparent;
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}
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@media all and (max-width: 430px) {
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#${remarkRootId}-close {
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right: 0px;
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font-size: 20px;
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color: black;
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}
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}
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`;
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}
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if (!this.node) {
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this.node = document.createElement('div');
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this.node.id = remarkRootId + '-node';
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}
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if (!this.back) {
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this.back = document.createElement('div');
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this.back.id = remarkRootId + '-back';
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this.back.onclick = () => this.close();
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}
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if (!this.closeEl) {
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this.closeEl = document.createElement('button');
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this.closeEl.id = remarkRootId + '-close';
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this.closeEl.innerHTML = '✖';
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this.closeEl.onclick = () => this.close();
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}
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const queryUserInfo =
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query +
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'&page=user-info&' +
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`&id=${user.id}&name=${user.name}&picture=${user.picture || ''}&isDefaultPicture=${user.isDefaultPicture || 0}`;
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this.node.innerHTML = `
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<iframe
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src="${BASE_URL}/web/iframe.html?${queryUserInfo}"
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width="100%"
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height="100%"
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frameborder="0"
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allowtransparency="true"
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scrolling="no"
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tabindex="0"
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title="Remark42"
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verticalscrolling="no"
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horizontalscrolling="no"
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/>`;
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this.iframe = this.node.querySelector('iframe');
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this.node.appendChild(this.closeEl);
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document.body.appendChild(this.style);
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document.body.appendChild(this.back);
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document.body.appendChild(this.node);
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document.addEventListener('keydown', this.onKeyDown);
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setTimeout(() => {
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this.back!.setAttribute('data-animation', '');
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this.node!.setAttribute('data-animation', '');
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this.iframe!.focus();
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}, 400);
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},
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close() {
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if (this.node) {
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this.onAnimationClose();
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this.node.removeAttribute('data-animation');
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}
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if (this.back) {
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this.back.removeAttribute('data-animation');
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}
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document.removeEventListener('keydown', this.onKeyDown);
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},
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delay: null,
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events: ['', 'webkit', 'moz', 'MS', 'o'].map(prefix => (prefix ? `${prefix}TransitionEnd` : 'transitionend')),
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onAnimationClose() {
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const el = this.node!;
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if (!this.node) {
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return;
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}
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this.delay = window.setTimeout(this.animationStop, 1000);
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this.events.forEach(event => el.addEventListener(event, this.animationStop, false));
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},
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onKeyDown(e) {
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// ESCAPE key pressed
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if (e.keyCode === 27) {
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userInfo.close();
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}
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},
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animationStop() {
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const t = userInfo;
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if (!t.node) {
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return;
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}
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if (t.delay) {
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clearTimeout(t.delay);
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t.delay = null;
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}
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t.events.forEach(event => t.node!.removeEventListener(event, t.animationStop, false));
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return t.remove();
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},
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remove() {
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const t = userInfo;
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t.node && t.node.remove();
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t.back && t.back.remove();
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t.style && t.style.remove();
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},
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};
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function receiveMessages(event: { data?: string }): void {
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try {
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const data = typeof event.data === 'string' ? JSON.parse(event.data) : event.data;
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if (data.remarkIframeHeight) {
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iframe.style.height = `${data.remarkIframeHeight}px`;
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}
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if (data.scrollTo) {
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window.scrollTo(window.pageXOffset, data.scrollTo + iframe.getBoundingClientRect().top + window.pageYOffset);
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}
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if (data.hasOwnProperty('isUserInfoShown')) {
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if (data.isUserInfoShown) {
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userInfo.init(data.user || {});
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} else {
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userInfo.close();
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}
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}
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if (data.inited) {
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postHashToIframe();
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postTitleToIframe(document.title);
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}
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} catch (e) {}
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}
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function postHashToIframe(
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e?: Event & {
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newURL: string;
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}
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): void {
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const hash = e ? `#${e.newURL.split('#')[1]}` : window.location.hash;
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if (hash.indexOf(`#${COMMENT_NODE_CLASSNAME_PREFIX}`) === 0) {
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if (e) e.preventDefault();
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iframe.contentWindow!.postMessage(JSON.stringify({ hash }), '*');
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}
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}
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function postTitleToIframe(title: string): void {
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iframe.contentWindow!.postMessage(JSON.stringify({ title }), '*');
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}
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function postClickOutsideToIframe(e: MouseEvent): void {
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if (!iframe.contains(e.target as Node)) {
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iframe.contentWindow!.postMessage(JSON.stringify({ clickOutside: true }), '*');
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}
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}
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function changeTheme(theme: Theme): void {
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iframe.contentWindow!.postMessage(JSON.stringify({ theme }), '*');
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}
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}
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