@atproto/api
Version:
Client library for atproto and Bluesky
28 lines • 1.27 kB
JavaScript
import { UnicodeString } from './unicode.js';
// this regex is intentionally matching on the zero-with-separator codepoint
// eslint-disable-next-line no-misleading-character-class
const EXCESS_SPACE_RE = /[\r\n]([\u00AD\u2060\u200D\u200C\u200B\s]*[\r\n]){2,}/;
const REPLACEMENT_STR = '\n\n';
export function sanitizeRichText(richText, opts) {
if (opts.cleanNewlines) {
richText = clean(richText, EXCESS_SPACE_RE, REPLACEMENT_STR);
}
return richText;
}
function clean(richText, targetRegexp, replacementString) {
richText = richText.clone();
let match = richText.unicodeText.utf16.match(targetRegexp);
while (match && typeof match.index !== 'undefined') {
const oldText = richText.unicodeText;
const removeStartIndex = richText.unicodeText.utf16IndexToUtf8Index(match.index);
const removeEndIndex = removeStartIndex + new UnicodeString(match[0]).length;
richText.delete(removeStartIndex, removeEndIndex);
if (richText.unicodeText.utf16 === oldText.utf16) {
break; // sanity check
}
richText.insert(removeStartIndex, replacementString);
match = richText.unicodeText.utf16.match(targetRegexp);
}
return richText;
}
//# sourceMappingURL=sanitization.js.map