linuxcommandgitbook/node_modules/lodash/internal/baseMatchesProperty.js

var baseGet = require('./baseGet'),
    baseIsEqual = require('./baseIsEqual'),
    baseSlice = require('./baseSlice'),
    isArray = require('../lang/isArray'),
    isKey = require('./isKey'),
    isStrictComparable = require('./isStrictComparable'),
    last = require('../array/last'),
    toObject = require('./toObject'),
    toPath = require('./toPath');

/**
 * The base implementation of `_.matchesProperty` which does not clone `srcValue`.
 *
 * @private
 * @param {string} path The path of the property to get.
 * @param {*} srcValue The value to compare.
 * @returns {Function} Returns the new function.
 */
function baseMatchesProperty(path, srcValue) {
  var isArr = isArray(path),
      isCommon = isKey(path) && isStrictComparable(srcValue),
      pathKey = (path + '');

  path = toPath(path);
  return function(object) {
    if (object == null) {
      return false;
    }
    var key = pathKey;
    object = toObject(object);
    if ((isArr || !isCommon) && !(key in object)) {
      object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
      if (object == null) {
        return false;
      }
      key = last(path);
      object = toObject(object);
    }
    return object[key] === srcValue
      ? (srcValue !== undefined || (key in object))
      : baseIsEqual(srcValue, object[key], undefined, true);
  };
}

module.exports = baseMatchesProperty;