(html: string)
| 35 | } |
| 36 | |
| 37 | export async function normalizePastedHTML(html: string) { |
| 38 | // Only extract the `body.innerHTML` when the `html` is a full HTML Document. |
| 39 | if (/<body>[\s\S]*<\/body>/.test(html)) { |
| 40 | const match = /<body>([\s\S]*)<\/body>/.exec(html); |
| 41 | if (match && typeof match[1] === 'string') |
| 42 | html = match[1]; |
| 43 | } |
| 44 | |
| 45 | // Prevent XSS and sanitize HTML. |
| 46 | const sanitizedHtml = sanitize( |
| 47 | html, |
| 48 | PREVIEW_DOMPURIFY_CONFIG, |
| 49 | false, |
| 50 | ) as string; |
| 51 | const tempWrapper = document.createElement('div'); |
| 52 | tempWrapper.innerHTML = sanitizedHtml; |
| 53 | |
| 54 | // Special process for turndown.js, needed for Number app on macOS. |
| 55 | const tables = Array.from(tempWrapper.querySelectorAll('table')); |
| 56 | |
| 57 | for (const table of tables) { |
| 58 | const row = table.querySelector('tr'); |
| 59 | if (row && row.firstElementChild?.tagName !== 'TH') { |
| 60 | [...row.children].forEach((cell) => { |
| 61 | const th = document.createElement('th'); |
| 62 | th.innerHTML = cell.innerHTML; |
| 63 | cell.replaceWith(th); |
| 64 | }); |
| 65 | } |
| 66 | const paragraphs = Array.from(table.querySelectorAll('p')); |
| 67 | |
| 68 | for (const p of paragraphs) { |
| 69 | const span = document.createElement('span'); |
| 70 | span.innerHTML = p.innerHTML; |
| 71 | p.replaceWith(span); |
| 72 | } |
| 73 | |
| 74 | const tds = table.querySelectorAll('td'); |
| 75 | |
| 76 | for (const td of tds) { |
| 77 | const rawHtml = td.innerHTML; |
| 78 | if (/<br>/.test(rawHtml)) |
| 79 | td.innerHTML = rawHtml.replace(/<br>/g, '<br>'); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | // Prevent it parse into a link if copy a url. |
| 84 | const links: HTMLElement[] = Array.from( |
| 85 | tempWrapper.querySelectorAll('a'), |
| 86 | ); |
| 87 | |
| 88 | for (const link of links) { |
| 89 | const href = link.getAttribute('href'); |
| 90 | const text = link.textContent; |
| 91 | |
| 92 | if (href === text && typeof href === 'string') { |
| 93 | // Resolve empty string when `TIMEOUT` passed. |
| 94 | const timer = new Promise((resolve) => { |
no test coverage detected