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setprototypeof

npmv1.2.0TypeScript

A small polyfill for Object.setprototypeof

Not recommended for new projects

No — setprototypeof should not be adopted for new projects. Last published 2611 days ago.

  • AAdoption: grade A, Excellent.

    92M downloads per week and 1 known dependents.

  • FMaintenance: grade F, Failing.

    Last published 2611 days ago.

  • AWeight: grade A, Excellent.

    Zero runtime dependencies, about 3.9 KB installed.

  • BSupply chain: grade B, Good.

    This package has a single maintainer (bus factor of 1).

  • ALicense: grade A, Excellent.

    ISC — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding setprototypeof to a project.

0
Direct dependencies

Runtime packages this one declares itself.

0
Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

3.9 KB
Install size

Unpacked size of this package plus its entire runtime tree.

Tree depth

Longest resolved dependency chain below this package.

Compatibility

Node.js
No constraint declared
Module format
CommonJS only
TypeScript
Types included
Install scripts
None

Quick start

A usage example from the setprototypeof README.

javascriptFull README ↗
var setPrototypeOf = require('setprototypeof')

var obj = {}
setPrototypeOf(obj, {
  foo: function () {
    return 'bar'
  }
})
obj.foo() // bar

setprototypeof vs the alternatives

Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.

PackageWeekly downloadsDependentsLicenseLast release
setprototypeofthis page92M1ISC7 years ago
es-define-property131.3M4MIT1 day ago
merge-descriptors113M1MIT1 day ago
is-plain-obj112.9M1MIT1 day ago
reusify91M1MIT1 day ago
css.escape48.7M2MIT1 day ago

Dependencies

Declared by setprototypeof v1.2.0. Runtime dependencies are installed with the package; dev dependencies are not.

Dev (2)

mocha ^6.1.4standard ^13.0.2

Used by

Popular packages that depend on setprototypeof.

Relationship graph

Dependencies (left) and dependents (right) of setprototypeof.

http-errorssetprototypeof
setprototypeof dependencies dependents

Frequently installed together

Release history

No releases in the last two years, typically about 281 days apart.

Recent versions of setprototypeof
VersionPublishedSizeLicense
1.2.0latest7 years ago3.9 KBISC
1.1.17 years ago3.8 KBISC
1.1.09 years agoISC
1.0.39 years agoISC
1.0.29 years agoISC
1.0.110 years agoISC
1.0.011 years agoISC

Overview

setprototypeof is an npm package that a small polyfill for Object.setprototypeof. It is extremely widely used, with about 92M downloads per week and 1 known dependents in the graph. The latest version is 1.2.0, released under the ISC license.

Who should use it

Teams working in the npm ecosystem who need a small polyfill for Object.setprototypeof and value a battle-tested, widely-adopted solution.

When not to use it

Consider an alternative if you need to or if a more actively-maintained option better fits your npm stack.

Pros

  • Large, well-established user base (92M weekly downloads).
  • Ships TypeScript type definitions.
  • Clear open-source license (ISC).
  • Lean dependency tree (2 direct dependencies).

Cons

  • No significant drawbacks detected from available metadata.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

Keywords

Frequently asked questions

Should I use setprototypeof?

No — setprototypeof should not be adopted for new projects. Last published 2611 days ago.

How do I install setprototypeof?

Run `npm install setprototypeof` to add setprototypeof to your npm project.

What license is setprototypeof released under?

setprototypeof is distributed under the ISC license.

How popular is setprototypeof?

setprototypeof has approximately 91,950,747 downloads per week and 1 known dependent packages.

Is setprototypeof still maintained?

The most recent release of setprototypeof (v1.2.0) was published 7 years ago.

Does setprototypeof run install scripts?

No. setprototypeof does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.