'use strict'; var $TypeError = require('es-errors/type'); var Call = require('./Call'); var CreateDataProperty = require('./CreateDataProperty'); var EnumerableOwnProperties = require('./EnumerableOwnProperties'); var Get = require('./Get'); var IsArray = require('./IsArray'); var LengthOfArrayLike = require('./LengthOfArrayLike'); var ToString = require('./ToString'); var Type = require('./Type'); var forEach = require('../helpers/forEach'); // https://262.ecma-international.org/14.0/#sec-internalizejsonproperty // note: `reviver` was implicitly closed-over until ES2020, where it becomes a third argument module.exports = function InternalizeJSONProperty(holder, name, reviver) { if (Type(holder) !== 'Object') { throw new $TypeError('Assertion failed: `holder` is not an Object'); } if (typeof name !== 'string') { throw new $TypeError('Assertion failed: `name` is not a String'); } if (typeof reviver !== 'function') { throw new $TypeError('Assertion failed: `reviver` is not a Function'); } var val = Get(holder, name); // step 1 if (Type(val) === 'Object') { // step 2 var isArray = IsArray(val); // step 2.a if (isArray) { // step 2.b var I = 0; // step 2.b.i var len = LengthOfArrayLike(val, 'length'); // step 2.b.ii while (I < len) { // step 2.b.iii var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 2.b.iv.1 if (typeof newElement === 'undefined') { // step 2.b.iii.2 delete val[ToString(I)]; // step 2.b.iii.2.a } else { // step 2.b.iii.3 CreateDataProperty(val, ToString(I), newElement); // step 2.b.iii.3.a } I += 1; // step 2.b.iii.4 } } else { // step 2.c var keys = EnumerableOwnProperties(val, 'key'); // step 2.c.i forEach(keys, function (P) { // step 2.c.ii // eslint-disable-next-line no-shadow var newElement = InternalizeJSONProperty(val, P, reviver); // step 2.c.ii.1 if (typeof newElement === 'undefined') { // step 2.c.ii.2 delete val[P]; // step 2.c.ii.2.a } else { // step 2.c.ii.3 CreateDataProperty(val, P, newElement); // step 2.c.ii.3.a } }); } } return Call(reviver, holder, [name, val]); // step 3 };