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  • License MIT

An ES2015 spec-compliant `Function.prototype.name` shim

Package Exports

  • function.prototype.name
  • function.prototype.name/index.js
  • function.prototype.name/shim
  • function.prototype.name/shim.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (function.prototype.name) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

function.prototype.name Version Badge

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An ES2015 spec-compliant Function.prototype.name shim. Invoke its "shim" method to shim Function.prototype.name if it is unavailable. Note: Function#name requires a true ES5 environment - specifically, one with ES5 getters.

This package implements the es-shim API interface. It works in an ES5-supported environment and complies with the spec.

Most common usage:

Example

var functionName = require('function.prototype.name');
var assert = require('assert');

assert.equal(functionName(function foo() {}), 'foo');

functionName.shim();
assert.equal(function foo() {}.name, 'foo');

Supported engines

Automatically tested in every minor version of node.

Manually tested in:

  • Safari: v4 - v15 (4, 5, 5.1, 6.0.5, 6.2, 7.1, 8, 9.1.3, 10.1.2, 11.1.2, 12.1, 13.1.2, 14.1.2, 15.3, 15.6.1)
  • Chrome: v15 - v81, v83 - v106(every integer version)
    • Note: This includes Edge v80+ and Opera v15+, which matches Chrome
  • Firefox: v3, v3.6, v4 - v105 (every integer version)
    • Note: in v42 - v63, Function.prototype.toString throws on HTML element constructors, or a Proxy to a function
    • Note: in v20 - v35, HTML element constructors are not callable, despite having typeof function
  • IE: v6 - v11(every integer version
  • Opera: v11.1, v11.5, v11.6, v12.0, v12.1, v12.14, v12.15, v12.16, v15+ v15+ matches Chrome

Tests

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