Intlayer

const CHAR_TO_CHECK_FORMATTING = ['```', '\n\n', '\n', '---', '{{', '}}']; // Escape a string for use in RegExp const escapeForRegExp = (str: string) => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&').replace(/\n/g, '\\n'); // Build once the regex that matches any combination of the formatting chars appearing // sequentially at the beginning or at the end of a string. const FORMATTING_REGEX_SOURCE = `(?:${CHAR_TO_CHECK_FORMATTING.map(escapeForRegExp).join('|')})+`; const LEADING_FORMATTING_REGEX = new RegExp(`^${FORMATTING_REGEX_SOURCE}`); const TRAILING_FORMATTING_REGEX = new RegExp(`${FORMATTING_REGEX_SOURCE}$`); export const fixChunkStartEndChars = ( reviewedChunkResult: string, baseChunkContext: string ) => { let result = reviewedChunkResult; const baseLeading = baseChunkContext.match(LEADING_FORMATTING_REGEX)?.[0] ?? ''; const baseTrailing = baseChunkContext.match(TRAILING_FORMATTING_REGEX)?.[0] ?? ''; const resultLeading = result.match(LEADING_FORMATTING_REGEX)?.[0] ?? ''; const resultTrailing = result.match(TRAILING_FORMATTING_REGEX)?.[0] ?? ''; // Fix leading formatting if (baseLeading !== resultLeading) { // Remove current leading formatting found in result and prepend the correct one result = baseLeading + result.slice(resultLeading.length); } // Fix trailing formatting if (baseTrailing !== resultTrailing) { // Remove current trailing formatting found in result and append the correct one result = result.slice(0, result.length - resultTrailing.length) + baseTrailing; } return result; };