33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
const COMMENTS_VIEW_PREFIX = 'commentsViewedAt'
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const COMMENTS_NUM_PREFIX = 'commentsViewNum'
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export function commentsViewed (item) {
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if (!item.parentId && item.lastCommentAt) {
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window.localStorage.setItem(`${COMMENTS_VIEW_PREFIX}:${item.id}`, new Date(item.lastCommentAt).getTime())
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window.localStorage.setItem(`${COMMENTS_NUM_PREFIX}:${item.id}`, item.ncomments)
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}
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}
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export function commentsViewedAfterComment (rootId, createdAt) {
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window.localStorage.setItem(`${COMMENTS_VIEW_PREFIX}:${rootId}`, new Date(createdAt).getTime())
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const existingRootComments = window.localStorage.getItem(`${COMMENTS_NUM_PREFIX}:${rootId}`) || 0
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window.localStorage.setItem(`${COMMENTS_NUM_PREFIX}:${rootId}`, existingRootComments + 1)
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}
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export function commentsViewedAt (item) {
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return window.localStorage.getItem(`${COMMENTS_VIEW_PREFIX}:${item.id}`)
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}
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export function newComments (item) {
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if (!item.parentId) {
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const viewedAt = commentsViewedAt(item)
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const viewNum = window.localStorage.getItem(`${COMMENTS_NUM_PREFIX}:${item.id}`)
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if (viewedAt && viewNum) {
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return viewedAt < new Date(item.lastCommentAt).getTime() || viewNum < item.ncomments
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}
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}
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return false
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}
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