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lib: add cause to DOMException
PR-URL: #44703
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
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flakey5 authored and danielleadams committed Oct 5, 2022
1 parent 780144c commit 67eaa303afabbcb216c3526b2dad5bbf29010ba8
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Showing 2 changed files with 57 additions and 5 deletions.
@@ -49,12 +49,31 @@ const disusedNamesSet = new SafeSet()
.add('ValidationError');

class DOMException {
constructor(message = '', name = 'Error') {
constructor(message = '', options = 'Error') {
ErrorCaptureStackTrace(this);
internalsMap.set(this, {
message: `${message}`,
name: `${name}`
});

if (options && typeof options === 'object') {
const { name } = options;
internalsMap.set(this, {
message: `${message}`,
name: `${name}`
});

if ('cause' in options) {
ObjectDefineProperty(this, 'cause', {
__proto__: null,
value: options.cause,
configurable: true,
writable: true,
enumerable: false,
});
}
} else {
internalsMap.set(this, {
message: `${message}`,
name: `${options}`
});
}
}

get name() {
@@ -0,0 +1,33 @@
'use strict';

require('../common');
const { strictEqual, deepStrictEqual } = require('assert');

{
const domException = new DOMException('no cause', 'abc');
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, false);
strictEqual(domException.cause, undefined);
}

{
const domException = new DOMException('with undefined cause', { name: 'abc', cause: undefined });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
strictEqual(domException.cause, undefined);
}

{
const domException = new DOMException('with string cause', { name: 'abc', cause: 'foo' });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
strictEqual(domException.cause, 'foo');
}

{
const object = { reason: 'foo' };
const domException = new DOMException('with object cause', { name: 'abc', cause: object });
strictEqual(domException.name, 'abc');
strictEqual('cause' in domException, true);
deepStrictEqual(domException.cause, object);
}

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