Function parsePatch

scripts/utils/patch.mjs:31–40

(patchString)

/** @param {string} patchString */
export function parsePatch(patchString) {
  return [...patchString.matchAll(PATCH_REGEX)].map(({ groups }) => {
    const { srcRange, addLines, delLines } = groups;

    const [start, end] = srcRange.split(',').map(Number);
    const length = end ? end - (start - 1) : 1;
    const lines = addLines?.trim().split('\n').map(line => line.slice(2)) ?? [];
    return { start, deleteCount: length, addLines: lines, delLines };
  })
}

/** 
 * @param {string} patchString