JSPM

set-function-name

2.0.2
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  • License MIT

Set a function's name property

Package Exports

  • set-function-name
  • set-function-name/index.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 (set-function-name) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

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Set a function’s name.

Arguments:

  • fn: the function
  • name: the new name
  • loose: Optional. If true, and the name fails to be set, do not throw. Default false.

Returns fn.

Usage

var setFunctionName = require('set-function-name');
var assert = require('assert');

const obj = {
    concise() {},
    arrow: () => {},
    named: function named() {},
    anon: function () {},
};
assert.equal(obj.concise.name, 'concise');
assert.equal(obj.arrow.name, 'arrow');
assert.equal(obj.named.name, 'named');
assert.equal(obj.anon.name, 'anon');

assert.equal(setFunctionName(obj.concise, 'brief'), obj.concise);
assert.equal(setFunctionName(obj.arrow, 'pointy'), obj.arrow);
assert.equal(setFunctionName(obj.named, ''), obj.named);
assert.equal(setFunctionName(obj.anon, 'anonymous'), obj.anon);

assert.equal(obj.concise.name, 'brief');
assert.equal(obj.arrow.name, 'pointy');
assert.equal(obj.named.name, '');
assert.equal(obj.anon.name, 'anonymous');