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get-intrinsic

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1
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get-intrinsic

Get and robustly cache all JS language-level intrinsics at first require time

    1.1.3latest

Version published
Maintainers
1
Weekly downloads
29,906,220
decreased by-11.88%

Weekly downloads

Changelog

Source

v1.1.3 - 2022-09-12

Commits

  • [Dev Deps] update es-abstract, es-value-fixtures, tape 07ff291
  • [Fix] properly check for % signs 50ac176

Readme

Source

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Get and robustly cache all JS language-level intrinsics at first require time.

See the syntax described in the JS spec for reference.

Example

var GetIntrinsic = require('get-intrinsic'); var assert = require('assert'); // static methods assert.equal(GetIntrinsic('%Math.pow%'), Math.pow); assert.equal(Math.pow(2, 3), 8); assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8); delete Math.pow; assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8); // instance methods var arr = [1]; assert.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push); assert.deepEqual(arr, [1]); arr.push(2); assert.deepEqual(arr, [1, 2]); GetIntrinsic('%Array.prototype.push%').call(arr, 3); assert.deepEqual(arr, [1, 2, 3]); delete Array.prototype.push; GetIntrinsic('%Array.prototype.push%').call(arr, 4); assert.deepEqual(arr, [1, 2, 3, 4]); // missing features delete JSON.parse; // to simulate a real intrinsic that is missing in the environment assert.throws(() => GetIntrinsic('%JSON.parse%')); assert.equal(undefined, GetIntrinsic('%JSON.parse%', true));

Tests

Simply clone the repo, npm install, and run npm test

Security

Please email @ljharb or see https://tidelift.com/security if you have a potential security vulnerability to report.

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FAQs

What is get-intrinsic?

Get and robustly cache all JS language-level intrinsics at first require time

Is get-intrinsic popular?

The npm package get-intrinsic receives a total of 23,024,262 weekly downloads. As such, get-intrinsic popularity was classified as popular.

Is get-intrinsic well maintained?

We found that get-intrinsic demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago.It has 1 open source maintainer collaborating on the project.

Last updated on 13 Sep 2022

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