lix-website/themes/lix/assets/bootstrap/node_modules/es-abstract/2017/InternalizeJSONProperty.js
2024-04-26 22:49:34 -06:00

69 lines
2.1 KiB
JavaScript

'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 ToLength = require('./ToLength');
var ToString = require('./ToString');
var Type = require('./Type');
var forEach = require('../helpers/forEach');
// https://262.ecma-international.org/8.0/#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 = ToLength(Get(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
};