Function loadPatch

src/diff.js:1206–1220

(param, base)

  }

  function loadPatch(param, base) {
    if (typeof param === 'string') {
      if (/^@@/m.test(param) || /^Index:/m.test(param)) {
        return parsePatch(param)[0];
      }

      if (!base) {
        throw new Error('Must provide a base reference or pass in a patch');
      }

      return structuredPatch(undefined, undefined, base, param);
    }

    return param;
  }

  function fileNameChanged(patch) {
    return patch.newFileName && patch.newFileName !== patch.oldFileName;