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fix: dom parser ssr issues (#4166)

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* fix: dom parser ssr issues

* fix: type issue
This commit is contained in:
IMB11
2025-08-13 15:48:36 +01:00
committed by GitHub
parent b279c43069
commit 9ea43a12fd
1 changed files with 35 additions and 21 deletions
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56
packages/moderation/data/nags/description.ts
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@@ -56,15 +56,8 @@ export function analyzeImageContent(markdown: string): {
const totalImages = images.length + htmlImages.length
if (totalImages === 0) return { imageHeavy: false, hasEmptyAltText: false }
const textWithoutImages = withoutCodeBlocks
.replace(/!\[([^\]]*)\]\([^)]+\)/g, '')
.replace(/<img[^>]*>/gi, '')
.replace(/\s+/g, ' ')
.trim()
const textLength = textWithoutImages.length
const textLength = countText(withoutCodeBlocks)
const recommendedTextLength = MIN_CHARS_PER_IMAGE * totalImages
const imageHeavy =
recommendedTextLength > MIN_DESCRIPTION_CHARS && textLength < recommendedTextLength
@@ -79,22 +72,43 @@ export function analyzeImageContent(markdown: string): {
}
export function countText(markdown: string): number {
const htmlString = renderHighlightedString(markdown)
const parser = new DOMParser()
const doc = parser.parseFromString(htmlString, 'text/html')
const walker = document.createTreeWalker(doc, NodeFilter.SHOW_TEXT)
if (!markdown) return 0
const textList: string[] = []
let currentNode: Node | null = walker.currentNode
while (currentNode) {
if (currentNode.textContent !== null) {
textList.push(currentNode.textContent)
}
currentNode = walker.nextNode()
const fallback = (md: string): number => {
const withoutCode = md.replace(/```[\s\S]*?```/g, '').replace(/`[^`]*`/g, '')
const withoutImagesAndLinks = withoutCode
.replace(/!\[[^\]]*]\([^)]+\)/g, ' ')
.replace(/\[[^\]]*]\([^)]+\)/g, ' ')
const withoutHtml = withoutImagesAndLinks.replace(/<[^>]+>/g, ' ')
const withoutMdSyntax = withoutHtml
.replace(/^>{1}\s?.*$/gm, ' ')
.replace(/^#{1,6}\s+/gm, ' ')
.replace(/[*_~`>-]/g, ' ')
.replace(/\|/g, ' ')
return withoutMdSyntax.replace(/\s+/g, ' ').trim().length
}
return textList.join(' ').trim().length
if (typeof window === 'undefined' || typeof globalThis.DOMParser === 'undefined') {
console.warn(`[Moderation] SSR: no window/DOMParser, falling back for countText`)
return fallback(markdown)
}
try {
const htmlString = renderHighlightedString(markdown)
const parser = new DOMParser()
const doc = parser.parseFromString(htmlString, 'text/html')
const walker = doc.createTreeWalker(doc.body || doc, NodeFilter.SHOW_TEXT)
const textList: string[] = []
let node = walker.nextNode()
while (node) {
if (node.textContent) textList.push(node.textContent)
node = walker.nextNode()
}
return textList.join(' ').replace(/\s+/g, ' ').trim().length
} catch {
return fallback(markdown)
}
}
export const descriptionNags: Nag[] = [