@tachibana-shin/diff-object/dist/index.js

Get diff object advanced

"use strict";Object.defineProperty(exports, "__esModule", {value: true}); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }// src/diff.ts
var _lodashisequal = require('lodash.isequal'); var _lodashisequal2 = _interopRequireDefault(_lodashisequal);
var KEY_SYMBOL_ACTION = Symbol("action");
var KEY_SYMBOL_VALUEA = Symbol("valueA");
var KEY_SYMBOL_VALUEB = Symbol("valueB");
var KEY_ACTION = "#@~!action";
var KEY_VALUEA = "#@~!valueA";
var KEY_VALUEB = "#@~!valueB";
function isDiffObject(diffObj, checkSymbol) {
  return typeof diffObj === "object" && diffObj !== null && (checkSymbol ? KEY_SYMBOL_ACTION in diffObj && KEY_SYMBOL_VALUEA in diffObj && KEY_SYMBOL_VALUEB in diffObj : KEY_ACTION in diffObj && KEY_VALUEA in diffObj && KEY_VALUEB in diffObj);
}
function isKeyDiffObject(key) {
  return typeof key === "string" && (key === KEY_ACTION || key === KEY_VALUEA || key === KEY_VALUEB) || typeof key === "symbol" && (key === KEY_SYMBOL_ACTION || key === KEY_SYMBOL_VALUEA || key === KEY_SYMBOL_VALUEB);
}
function diff(a, b, options) {
  const KeyAction = (options == null ? void 0 : options.symbol) !== false ? KEY_SYMBOL_ACTION : KEY_ACTION;
  const KeyValueA = (options == null ? void 0 : options.symbol) !== false ? KEY_SYMBOL_VALUEA : KEY_VALUEA;
  const KeyValueB = (options == null ? void 0 : options.symbol) !== false ? KEY_SYMBOL_VALUEB : KEY_VALUEB;
  const diffs = {};
  const keys = /* @__PURE__ */ new Set([...Object.keys(a), ...Object.keys(b)]);
  let countDiffs = 0;
  for (const name of keys) {
    if (!(name in a)) {
      diffs[name] = {
        [KeyAction]: "ADDED",
        [KeyValueA]: a[name],
        [KeyValueB]: b[name]
      };
      countDiffs++;
      continue;
    }
    if (!(name in b)) {
      diffs[name] = {
        [KeyAction]: "DELETED",
        [KeyValueA]: a[name],
        [KeyValueB]: b[name]
      };
      countDiffs++;
      continue;
    }
    if (_lodashisequal2.default.call(void 0, a[name], b[name]))
      continue;
    if (typeof a[name] === "object" && typeof b[name] === "object" && (options == null ? void 0 : options.deep) !== false) {
      const { diffs: diffsChild, count } = diff(
        a[name],
        b[name],
        options
      );
      diffs[name] = diffsChild;
      countDiffs += count;
      continue;
    }
    diffs[name] = {
      [KeyAction]: "MODIFIED",
      [KeyValueA]: a[name],
      [KeyValueB]: b[name]
    };
    countDiffs++;
  }
  return {
    diffs,
    count: countDiffs
  };
}










exports.KEY_ACTION = KEY_ACTION; exports.KEY_SYMBOL_ACTION = KEY_SYMBOL_ACTION; exports.KEY_SYMBOL_VALUEA = KEY_SYMBOL_VALUEA; exports.KEY_SYMBOL_VALUEB = KEY_SYMBOL_VALUEB; exports.KEY_VALUEA = KEY_VALUEA; exports.KEY_VALUEB = KEY_VALUEB; exports.diff = diff; exports.isDiffObject = isDiffObject; exports.isKeyDiffObject = isKeyDiffObject;