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ES2015
+: add InternalizeJSONProperty
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,68 @@ | ||
'use strict'; | ||
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var $TypeError = require('es-errors/type'); | ||
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var Call = require('./Call'); | ||
var CreateDataProperty = require('./CreateDataProperty'); | ||
var EnumerableOwnNames = require('./EnumerableOwnNames'); | ||
var Get = require('./Get'); | ||
var IsArray = require('./IsArray'); | ||
var ToLength = require('./ToLength'); | ||
var ToString = require('./ToString'); | ||
var Type = require('./Type'); | ||
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var forEach = require('../helpers/forEach'); | ||
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// https://262.ecma-international.org/6.0/#sec-internalizejsonproperty | ||
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// note: `reviver` was implicitly closed-over until ES2020, where it becomes a third argument | ||
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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'); | ||
} | ||
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var val = Get(holder, name); // step 1 | ||
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if (Type(val) === 'Object') { // step 3 | ||
var isArray = IsArray(val); // step 3.a | ||
if (isArray) { // step 3.c | ||
var I = 0; // step 3.c.i | ||
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var len = ToLength(Get(val, 'length')); // step 3.b.ii | ||
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while (I < len) { // step 3.b.iv | ||
var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 3.b.iv.1 | ||
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if (typeof newElement === 'undefined') { // step 3.b.iv.3 | ||
delete val[ToString(I)]; // step 3.b.iv.3.a | ||
} else { // step 3.b.iv.4 | ||
CreateDataProperty(val, ToString(I), newElement); // step 3.b.iv.4.a | ||
} | ||
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I += 1; // step 3.b.iv.6 | ||
} | ||
} else { | ||
var keys = EnumerableOwnNames(val); // step 3.d.i | ||
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forEach(keys, function (P) { // step 3.d.iii | ||
// eslint-disable-next-line no-shadow | ||
var newElement = InternalizeJSONProperty(val, P, reviver); // step 3.d.iii.1 | ||
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if (typeof newElement === 'undefined') { // step 3.d.iii.3 | ||
delete val[P]; // step 3.d.iii.3.a | ||
} else { // step 3.d.iii.4 | ||
CreateDataProperty(val, P, newElement); // step 3.d.iii.4.a | ||
} | ||
}); | ||
} | ||
} | ||
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return Call(reviver, holder, [name, val]); // step 4 | ||
}; |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,68 @@ | ||
'use strict'; | ||
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var $TypeError = require('es-errors/type'); | ||
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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'); | ||
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var forEach = require('../helpers/forEach'); | ||
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// https://262.ecma-international.org/8.0/#sec-internalizejsonproperty | ||
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// note: `reviver` was implicitly closed-over until ES2020, where it becomes a third argument | ||
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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'); | ||
} | ||
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var val = Get(holder, name); // step 1 | ||
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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 | ||
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var len = ToLength(Get(val, 'length')); // step 2.b.ii | ||
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while (I < len) { // step 2.b.iii | ||
var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 2.b.iv.1 | ||
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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 | ||
} | ||
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I += 1; // step 2.b.iii.4 | ||
} | ||
} else { // step 2.c | ||
var keys = EnumerableOwnProperties(val, 'key'); // step 2.c.i | ||
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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 | ||
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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 | ||
} | ||
}); | ||
} | ||
} | ||
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return Call(reviver, holder, [name, val]); // step 3 | ||
}; |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,68 @@ | ||
'use strict'; | ||
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var $TypeError = require('es-errors/type'); | ||
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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'); | ||
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var forEach = require('../helpers/forEach'); | ||
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// https://262.ecma-international.org/9.0/#sec-internalizejsonproperty | ||
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// note: `reviver` was implicitly closed-over until ES2020, where it becomes a third argument | ||
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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'); | ||
} | ||
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var val = Get(holder, name); // step 1 | ||
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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 | ||
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var len = ToLength(Get(val, 'length')); // step 2.b.ii | ||
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while (I < len) { // step 2.b.iii | ||
var newElement = InternalizeJSONProperty(val, ToString(I), reviver); // step 2.b.iv.1 | ||
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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 | ||
} | ||
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I += 1; // step 2.b.iii.4 | ||
} | ||
} else { // step 2.c | ||
var keys = EnumerableOwnPropertyNames(val, 'key'); // step 2.c.i | ||
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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 | ||
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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 | ||
} | ||
}); | ||
} | ||
} | ||
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return Call(reviver, holder, [name, val]); // step 3 | ||
}; |
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