mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 01:38:07 +08:00
Tim van der Lippe
1fe7f95b0e
This also adds the MPL-2.0 license as valid license to our allowed licenses list. R=jacktfranklin@chromium.org DISABLE_THIRD_PARTY_CHECK=NPM update Change-Id: I2a3bee2ffc0b328a0579ab62ab27f938bdc876c8 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2593130 Commit-Queue: Jack Franklin <jacktfranklin@chromium.org> Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
21 lines
933 B
JavaScript
21 lines
933 B
JavaScript
'use strict';
|
|
var isObject = require('../internals/is-object');
|
|
var definePropertyModule = require('../internals/object-define-property');
|
|
var getPrototypeOf = require('../internals/object-get-prototype-of');
|
|
var wellKnownSymbol = require('../internals/well-known-symbol');
|
|
|
|
var HAS_INSTANCE = wellKnownSymbol('hasInstance');
|
|
var FunctionPrototype = Function.prototype;
|
|
|
|
// `Function.prototype[@@hasInstance]` method
|
|
// https://tc39.github.io/ecma262/#sec-function.prototype-@@hasinstance
|
|
if (!(HAS_INSTANCE in FunctionPrototype)) {
|
|
definePropertyModule.f(FunctionPrototype, HAS_INSTANCE, { value: function (O) {
|
|
if (typeof this != 'function' || !isObject(O)) return false;
|
|
if (!isObject(this.prototype)) return O instanceof this;
|
|
// for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
|
|
while (O = getPrototypeOf(O)) if (this.prototype === O) return true;
|
|
return false;
|
|
} });
|
|
}
|