Files
react-native-devtools-frontend/node_modules/es-abstract/2020/InstanceofOperator.js
T
Tim van der Lippe 2c89197d0d Update ESLint-related packages
R=jacktfranklin@chromium.org

No-Presubmit: True
Bug: none
Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
2021-07-30 11:02:26 +00:00

31 lines
918 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var $hasInstance = GetIntrinsic('Symbol.hasInstance', true);
var Call = require('./Call');
var GetMethod = require('./GetMethod');
var IsCallable = require('./IsCallable');
var OrdinaryHasInstance = require('./OrdinaryHasInstance');
var ToBoolean = require('./ToBoolean');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/6.0/#sec-instanceofoperator
module.exports = function InstanceofOperator(O, C) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
var instOfHandler = $hasInstance ? GetMethod(C, $hasInstance) : void 0;
if (typeof instOfHandler !== 'undefined') {
return ToBoolean(Call(instOfHandler, C, [O]));
}
if (!IsCallable(C)) {
throw new $TypeError('`C` is not Callable');
}
return OrdinaryHasInstance(C, O);
};