lodash/internal/baseMatchesProperty.js

import baseIsEqual from './baseIsEqual';
import isStrictComparable from './isStrictComparable';
import toObject from './toObject';

/**
 * The base implementation of `_.matchesProperty` which does not coerce `key`
 * to a string.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @param {*} value The value to compare.
 * @returns {Function} Returns the new function.
 */
function baseMatchesProperty(key, value) {
  if (isStrictComparable(value)) {
    return function(object) {
      return object != null && object[key] === value &&
        (typeof value != 'undefined' || (key in toObject(object)));
    };
  }
  return function(object) {
    return object != null && baseIsEqual(value, object[key], null, true);
  };
}

export default baseMatchesProperty;