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2 months ago | |
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.. | ||
.github | 2 months ago | |
helpers | 2 months ago | |
test | 2 months ago | |
.eslintrc | 2 months ago | |
CHANGELOG.md | 2 months ago | |
LICENSE | 2 months ago | |
README.md | 2 months ago | |
accessor.d.ts | 2 months ago | |
accessor.js | 2 months ago | |
index.d.ts | 2 months ago | |
index.js | 2 months ago | |
mutator.d.ts | 2 months ago | |
mutator.js | 2 months ago | |
package.json | 2 months ago | |
tsconfig.json | 2 months ago |
Does this environment have the ability to set the Prototype of an object on creation with __proto__
?
var hasProto = require('has-proto');
var assert = require('assert');
assert.equal(typeof hasProto(), 'boolean');
var hasProtoAccessor = require('has-proto/accessor')();
if (hasProtoAccessor) {
assert.equal([].__proto__, Array.prototype);
} else {
assert(!('__proto__' in Object.prototype));
}
var hasProtoMutator = require('has-proto/mutator');
var obj = {};
assert('toString' in obj);
obj.__proto__ = null;
if (hasProtoMutator) {
assert(!('toString' in obj));
} else {
assert('toString' in obj);
assert.equal(obj.__proto__, null);
}
Simply clone the repo, npm install
, and run npm test