@circuitly/diff/lib/patch/reverse.js

A javascript text diff implementation.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.reversePatch = reversePatch;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function reversePatch(structuredPatch) {
  if (Array.isArray(structuredPatch)) {
    return structuredPatch.map(reversePatch).reverse();
  }
  return _objectSpread(_objectSpread({}, structuredPatch), {}, {
    oldFileName: structuredPatch.newFileName,
    oldHeader: structuredPatch.newHeader,
    newFileName: structuredPatch.oldFileName,
    newHeader: structuredPatch.oldHeader,
    hunks: structuredPatch.hunks.map(function (hunk) {
      return {
        oldLines: hunk.newLines,
        oldStart: hunk.newStart,
        newLines: hunk.oldLines,
        newStart: hunk.oldStart,
        lines: hunk.lines.map(function (l) {
          if (l.startsWith('-')) {
            return "+".concat(l.slice(1));
          }
          if (l.startsWith('+')) {
            return "-".concat(l.slice(1));
          }
          return l;
        })
      };
    })
  });
}
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