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:
var functionName = require('function.prototype.name'); var assert = require('assert'); assert.equal(functionName(function foo() {}), 'foo'); functionName.shim(); assert.equal(function foo() {}.name, 'foo');
Automatically tested in every minor version of node.
Manually tested in:
Function.prototype.toString
throws on HTML element constructors, or a Proxy to a functionfunction
Simply clone the repo, npm install
, and run npm test
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