forked from lix-project/lix-website
69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var $TypeError = require('es-errors/type');
|
||
|
|
|
||
|
|
var Call = require('./Call');
|
||
|
|
var CreateDataProperty = require('./CreateDataProperty');
|
||
|
|
var EnumerableOwnPropertyNames = require('./EnumerableOwnPropertyNames');
|
||
|
|
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/9.0/#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 = EnumerableOwnPropertyNames(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
|
||
|
|
};
|