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ES2015+: add InternalizeJSONProperty
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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 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'; | ||
|
|
||
| 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'); | ||
|
|
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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 | ||
|
|
||
| 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 | ||
|
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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'; | ||
|
|
||
| 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 | ||
|
|
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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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