434 lines
17 KiB
TypeScript
434 lines
17 KiB
TypeScript
/// <reference path="FormUtilities.ts" />
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enum CommentVoteType {
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Indifferent = 0,
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Like = 1,
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Dislike = -1,
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}
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interface CommentNotice {
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error: string;
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message: string;
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}
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interface CommentDeletionInfo extends CommentNotice {
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id: number; // minor inconsistency, deal with it
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}
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interface CommentPostInfo extends CommentNotice {
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comment_id: number;
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category_id: number;
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comment_text: string;
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comment_html: string;
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comment_created: Date;
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comment_edited: Date | null;
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comment_deleted: Date | null;
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comment_reply_to: number;
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comment_pinned: Date | null;
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user_id: number;
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username: string;
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user_colour: number;
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}
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interface CommentVotesInfo extends CommentNotice {
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comment_id: number;
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likes: number;
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dislikes: number;
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}
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function commentDeleteEventHandler(ev: Event): void {
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const target: HTMLAnchorElement = ev.target as HTMLAnchorElement,
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commentId: number = parseInt(target.dataset.commentId);
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commentDelete(
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commentId,
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info => {
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let elem = document.getElementById('comment-' + info.id);
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if(elem)
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elem.parentNode.removeChild(elem);
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},
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message => messageBox(message)
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);
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}
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function commentDelete(commentId: number, onSuccess: (info: CommentDeletionInfo) => void = null, onFail: (message: string) => void = null): void
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{
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if(!checkUserPerm('comments', CommentPermission.Delete)) {
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if(onFail)
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onFail("You aren't allowed to delete comments.");
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return;
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}
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const xhr: XMLHttpRequest = new XMLHttpRequest;
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xhr.addEventListener('readystatechange', () => {
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if(xhr.readyState !== 4)
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return;
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updateCSRF(xhr.getResponseHeader('X-Misuzu-CSRF'));
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let json: CommentDeletionInfo = JSON.parse(xhr.responseText) as CommentDeletionInfo,
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message = json.error || json.message;
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if(message && onFail)
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onFail(message);
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else if(!message && onSuccess)
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onSuccess(json);
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});
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xhr.open('GET', urlFormat('comments-delete', [{name:'comment',value:commentId}]));
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xhr.setRequestHeader('X-Misuzu-XHR', 'comments');
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xhr.send();
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}
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function commentPostEventHandler(ev: Event): void
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{
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const form: HTMLFormElement = ev.target as HTMLFormElement;
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if(form.dataset.disabled)
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return;
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form.dataset.disabled = '1';
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form.style.opacity = '0.5';
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commentPost(
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extractFormData(form, true),
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info => commentPostSuccess(form, info),
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message => commentPostFail(form, message)
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);
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}
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function commentPost(formData: FormData, onSuccess: (comment: CommentPostInfo) => void = null, onFail: (message: string) => void = null): void
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{
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if(!checkUserPerm('comments', CommentPermission.Create)) {
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if(onFail)
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onFail("You aren't allowed to post comments.");
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return;
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}
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const xhr = new XMLHttpRequest();
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xhr.addEventListener('readystatechange', () => {
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if(xhr.readyState !== 4)
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return;
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updateCSRF(xhr.getResponseHeader('X-Misuzu-CSRF'));
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const json: CommentPostInfo = JSON.parse(xhr.responseText) as CommentPostInfo,
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message: string = json.error || json.message;
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if(message && onFail)
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onFail(message);
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else if(!message && onSuccess)
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onSuccess(json);
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});
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xhr.open('POST', urlFormat('comment-create'));
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xhr.setRequestHeader('X-Misuzu-XHR', 'comments');
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xhr.send(formData);
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}
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function commentPostSuccess(form: HTMLFormElement, comment: CommentPostInfo): void {
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if(form.classList.contains('comment--reply'))
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(form.parentNode.parentNode.querySelector('label.comment__action') as HTMLLabelElement).click();
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commentInsert(comment, form);
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form.style.opacity = '1';
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form.dataset.disabled = '';
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}
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function commentPostFail(form: HTMLFormElement, message: string): void {
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messageBox(message);
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form.style.opacity = '1';
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form.dataset.disabled = '';
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}
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function commentsInit(): void {
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const commentDeletes: HTMLCollectionOf<HTMLAnchorElement> = document.getElementsByClassName('comment__action--delete') as HTMLCollectionOf<HTMLAnchorElement>;
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for(let i = 0; i < commentDeletes.length; i++) {
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commentDeletes[i].addEventListener('click', commentDeleteEventHandler);
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commentDeletes[i].dataset.href = commentDeletes[i].href;
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commentDeletes[i].href = 'javascript:void(0);';
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}
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const commentInputs: HTMLCollectionOf<HTMLTextAreaElement> = document.getElementsByClassName('comment__text--input') as HTMLCollectionOf<HTMLTextAreaElement>;
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for(let i = 0; i < commentInputs.length; i++) {
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commentInputs[i].form.action = 'javascript:void(0);';
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commentInputs[i].form.addEventListener('submit', commentPostEventHandler);
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commentInputs[i].addEventListener('keydown', commentInputEventHandler);
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}
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const voteButtons: HTMLCollectionOf<HTMLAnchorElement> = document.getElementsByClassName('comment__action--vote') as HTMLCollectionOf<HTMLAnchorElement>;
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for(let i = 0; i < voteButtons.length; i++)
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{
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voteButtons[i].href = 'javascript:void(0);';
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voteButtons[i].addEventListener('click', commentVoteEventHandler);
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}
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const pinButtons: HTMLCollectionOf<HTMLAnchorElement> = document.getElementsByClassName('comment__action--pin') as HTMLCollectionOf<HTMLAnchorElement>;
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for(let i = 0; i < pinButtons.length; i++) {
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pinButtons[i].href = 'javascript:void(0);';
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pinButtons[i].addEventListener('click', commentPinEventHandler);
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}
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}
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function commentInputEventHandler(ev: KeyboardEvent): void {
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if(ev.code === 'Enter' && ev.ctrlKey && !ev.altKey && !ev.shiftKey && !ev.metaKey) {
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const form: HTMLFormElement = (ev.target as HTMLTextAreaElement).form;
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commentPost(
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extractFormData(form, true),
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info => commentPostSuccess(form, info),
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message => commentPostFail
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);
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}
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}
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function commentConstruct(comment: CommentPostInfo, layer: number = 0): HTMLElement {
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const commentDate = new Date(comment.comment_created + 'Z'),
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commentTime: HTMLElement = <time class="comment__date" title={commentDate.toLocaleString()} dateTime={commentDate.toISOString()}>{timeago.format(commentDate)}</time>;
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let actions: HTMLElement[] = [];
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if(checkUserPerm('comments', CommentPermission.Vote)) {
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actions.push(<a class="comment__action comment__action--link comment__action--vote comment__action--like"
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data-comment-id={comment.comment_id} data-comment-vote={CommentVoteType.Like}
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href="javascript:void(0);" onClick={commentVoteEventHandler}>Like</a>);
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actions.push(<a class="comment__action comment__action--link comment__action--vote comment__action--dislike"
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data-comment-id={comment.comment_id} data-comment-vote={CommentVoteType.Dislike}
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href="javascript:void(0);" onClick={commentVoteEventHandler}>Dislike</a>);
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}
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const commentText: HTMLDivElement = <div class="comment__text"></div>;
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if(comment.comment_html)
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commentText.innerHTML = comment.comment_html;
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else
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commentText.textContent = comment.comment_text;
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const commentElement: HTMLDivElement = <div class="comment" id={"comment-" + comment.comment_id}>
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<div class="comment__container">
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<a class="comment__avatar" href={urlFormat('user-profile', [{name:'user',value:comment.user_id}])}>
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<img class="avatar" alt={comment.username} width={layer <= 1 ? 50 : 40} height={layer <= 1 ? 50 : 40} src={urlFormat('user-avatar', [
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{ name: 'user', value: comment.user_id },
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{ name: 'res', value: layer <= 1 ? 100 : 80 }
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])}/>
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</a>
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<div class="comment__content">
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<div class="comment__info">
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<a class="comment__user comment__user--link" href={urlFormat('user-profile', [{name:'user',value:comment.user_id}])}
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style={"--user-colour: " + colourGetCSS(comment.user_colour)}>{comment.username}</a>
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<a class="comment__link" href={"#comment-" + comment.comment_id}>{commentTime}</a>
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</div>
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{commentText}
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<div class="comment__actions">
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{actions}
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<label class="comment__action comment__action--link" for={"comment-reply-toggle-" + comment.comment_id}>Reply</label>
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</div>
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</div>
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</div>
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<div class={"comment__replies comment__replies--indent-" + layer} id={"comment-" + comment.comment_id + "-replies"}>
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<input type="checkbox" id={"comment-reply-toggle-" + comment.comment_id} class="comment__reply-toggle" />
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<form id={"comment-reply-" + comment.comment_id} class="comment comment--input comment--reply" method="post"
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action="javascript:void(0);" onSubmit={commentPostEventHandler}>
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<input type="hidden" name="csrf" value={getCSRFToken()} />
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<input type="hidden" name="comment[category]" value={comment.category_id} />
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<input type="hidden" name="comment[reply]" value={comment.comment_id} />
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<div class="comment__container">
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<div class="avatar comment__avatar">
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<img class="avatar" width="40" height="40" src={urlFormat('user-avatar', [{name:'user',value:comment.user_id},{name:'res',value:80}])}/>
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</div>
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<div class="comment__content">
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<div class="comment__info"></div>
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<textarea class="comment__text input__textarea comment__text--input" name="comment[text]" placeholder="Share your extensive insights..." onKeyDown={commentInputEventHandler}></textarea>
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<div class="comment__actions">
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<button class="input__button comment__action comment__action--button comment__action--post">Reply</button>
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</div>
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</div>
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</div>
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</form>
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</div>
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</div>;
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timeago.render(commentTime);
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return commentElement;
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}
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function commentInsert(comment: CommentPostInfo, form: HTMLFormElement): void
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{
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const isReply: boolean = form.classList.contains('comment--reply'),
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parent: Element = isReply
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? form.parentElement
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: form.parentElement.parentElement.getElementsByClassName('comments__listing')[0],
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repliesIndent: number = isReply
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? (parseInt(parent.classList[1].substr(25)) + 1)
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: 1,
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commentElement: HTMLElement = commentConstruct(comment, repliesIndent);
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if(isReply)
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parent.appendChild(commentElement);
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else
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parent.insertBefore(commentElement, parent.firstElementChild);
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const placeholder: HTMLElement = document.getElementById('_no_comments_notice_' + comment.category_id);
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if(placeholder)
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placeholder.parentNode.removeChild(placeholder);
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}
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function commentVoteEventHandler(ev: Event): void {
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const target: HTMLAnchorElement = this as HTMLAnchorElement,
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commentId: number = parseInt(target.dataset.commentId),
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voteType: CommentVoteType = parseInt(target.dataset.commentVote),
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buttons: NodeListOf<HTMLAnchorElement> = document.querySelectorAll(`.comment__action--vote[data-comment-id="${commentId}"]`),
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likeButton: HTMLAnchorElement = document.querySelector(`.comment__action--like[data-comment-id="${commentId}"]`),
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dislikeButton: HTMLAnchorElement = document.querySelector(`.comment__action--dislike[data-comment-id="${commentId}"]`),
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classVoted: string = 'comment__action--voted';
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for(let i = 0; i < buttons.length; i++) {
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let button: HTMLAnchorElement = buttons[i];
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button.textContent = button === target ? '...' : '';
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button.classList.remove(classVoted);
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if(button === likeButton) {
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button.dataset.commentVote = (voteType === CommentVoteType.Like ? CommentVoteType.Indifferent : CommentVoteType.Like).toString();
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} else if(button === dislikeButton) {
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button.dataset.commentVote = (voteType === CommentVoteType.Dislike ? CommentVoteType.Indifferent : CommentVoteType.Dislike).toString();
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}
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}
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commentVote(
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commentId,
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voteType,
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info => {
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switch(voteType) {
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case CommentVoteType.Like:
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likeButton.classList.add(classVoted);
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break;
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case CommentVoteType.Dislike:
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dislikeButton.classList.add(classVoted);
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break;
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}
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likeButton.textContent = info.likes > 0 ? `Like (${info.likes.toLocaleString()})` : 'Like';
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dislikeButton.textContent = info.dislikes > 0 ? `Dislike (${info.dislikes.toLocaleString()})` : 'Dislike';
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},
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message => {
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likeButton.textContent = 'Like';
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dislikeButton.textContent = 'Dislike';
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messageBox(message);
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}
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);
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}
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function commentVote(
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commentId: number,
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vote: CommentVoteType,
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onSuccess: (voteInfo: CommentVotesInfo) => void = null,
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onFail: (message: string) => void = null
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): void {
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if(!checkUserPerm('comments', CommentPermission.Vote)) {
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if(onFail)
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onFail("You aren't allowed to vote on comments.");
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return;
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}
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const xhr: XMLHttpRequest = new XMLHttpRequest;
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xhr.onreadystatechange = () => {
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if(xhr.readyState !== 4)
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return;
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updateCSRF(xhr.getResponseHeader('X-Misuzu-CSRF'));
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const json: CommentVotesInfo = JSON.parse(xhr.responseText),
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message: string = json.error || json.message;
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if(message && onFail)
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onFail(message);
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else if(!message && onSuccess)
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onSuccess(json);
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};
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xhr.open('GET', urlFormat('comment-vote', [{name: 'comment', value: commentId}, {name: 'vote', value: vote}]));
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xhr.setRequestHeader('X-Misuzu-XHR', 'comments');
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xhr.send();
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}
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function commentPinEventHandler(ev: Event): void {
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const target: HTMLAnchorElement = this as HTMLAnchorElement,
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commentId: number = parseInt(target.dataset.commentId),
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isPinned: boolean = target.dataset.commentPinned !== '0';
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target.textContent = '...';
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commentPin(
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commentId,
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!isPinned,
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info => {
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if(info.comment_pinned === null) {
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target.textContent = 'Pin';
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target.dataset.commentPinned = '0';
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const pinElement: HTMLDivElement = document.querySelector(`#comment-${info.comment_id} .comment__pin`);
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pinElement.parentElement.removeChild(pinElement);
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} else {
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target.textContent = 'Unpin';
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target.dataset.commentPinned = '1';
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const pinInfo: HTMLDivElement = document.querySelector(`#comment-${info.comment_id} .comment__info`),
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pinElement: HTMLDivElement = document.createElement('div'),
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pinTime: HTMLTimeElement = document.createElement('time'),
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pinDateTime = new Date(info.comment_pinned + 'Z');
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pinTime.title = pinDateTime.toLocaleString();
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pinTime.dateTime = pinDateTime.toISOString();
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pinTime.textContent = timeago().format(pinDateTime);
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timeago().render(pinTime);
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pinElement.className = 'comment__pin';
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pinElement.appendChild(document.createTextNode('Pinned '));
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pinElement.appendChild(pinTime);
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pinInfo.appendChild(pinElement);
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}
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},
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message => {
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target.textContent = isPinned ? 'Unpin' : 'Pin';
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messageBox(message);
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}
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);
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}
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function commentPin(
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commentId: number,
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pin: boolean,
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onSuccess: (commentInfo: CommentPostInfo) => void = null,
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onFail: (message: string) => void = null
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): void {
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if(!checkUserPerm('comments', CommentPermission.Pin)) {
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if(onFail)
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onFail("You aren't allowed to pin comments.");
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return;
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}
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const mode: string = pin ? 'pin' : 'unpin';
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const xhr: XMLHttpRequest = new XMLHttpRequest;
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xhr.onreadystatechange = () => {
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if(xhr.readyState !== 4)
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return;
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updateCSRF(xhr.getResponseHeader('X-Misuzu-CSRF'));
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const json: CommentPostInfo = JSON.parse(xhr.responseText),
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message: string = json.error || json.message;
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if(message && onFail)
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onFail(message);
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else if(!message && onSuccess)
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onSuccess(json);
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};
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xhr.open('GET', urlFormat(`comment-${mode}`, [{name: 'comment', value: commentId}]));
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xhr.setRequestHeader('X-Misuzu-XHR', 'comments');
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xhr.send();
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}
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