48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
import { mark, stop } from './marks'
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import { massageStatusPlainText } from './massageStatusPlainText'
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const domParser = process.browser && new DOMParser()
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// mentions like "@foo" have to be expanded to "@foo@example.com"
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function massageMentions (doc, mentions) {
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const anchors = doc.querySelectorAll('a.mention')
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for (let i = 0; i < anchors.length; i++) {
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const anchor = anchors[i]
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const href = anchor.getAttribute('href')
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const mention = mentions.find(mention => mention.url === href)
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if (mention) {
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anchor.innerText = `@${mention.acct}`
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}
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}
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}
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// paragraphs should be separated by double newlines
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// single <br/>s should become single newlines
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function innerTextRetainingNewlines (doc) {
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let res = ''
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const paragraphs = doc.querySelectorAll('p')
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for (let i = 0; i < paragraphs.length; i++) {
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const paragraph = paragraphs[i]
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const brs = paragraph.querySelectorAll('br')
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for (let j = 0; j < brs.length; j++) {
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const br = brs[j]
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br.parentNode.replaceChild(doc.createTextNode('\n'), br)
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}
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res += (i > 0 ? '\n\n' : '') + paragraph.textContent
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}
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return res
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}
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export function statusHtmlToPlainText (html, mentions) {
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if (!html) {
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return ''
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}
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mark('statusHtmlToPlainText')
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html = massageStatusPlainText(html)
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const doc = domParser.parseFromString(html, 'text/html')
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massageMentions(doc, mentions)
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const res = innerTextRetainingNewlines(doc)
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stop('statusHtmlToPlainText')
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return res
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}
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