Package Exports

function-name

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Readme

node-function-name

Set the "name" property of `Function` objects

Very simple module. Sets the, usually immutable, name property of Function objects. This functionality is exposed internally to V8, but not exposed to JavaScript, so this native module is required.

Note that unfortunately only String values are allowed.

Installation

Install with npm:

$ npm install function-name

Example

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

function test () {
  throw new Error('blah');
}

console.log(test.name);
// "test"

// change the "name" property to 'foo'
set(test, 'foo');

console.log(test.name);
// "foo"

// spaces, and even usually illegal UTF8 chars, are allowed
set(test, '   ☃   ');

console.log(test.name);
// "   ☃   "

// the newly set "name" also appears in stack traces!
test();
// Error: blah
//     at    ☃    (/Users/nrajlich/node-function-name/t.js:4:9)
//     at Object.<anonymous> (/Users/nrajlich/node-function-name/t.js:23:1)
//     at Module._compile (module.js:449:26)
//     at Object.Module._extensions..js (module.js:467:10)
//     at Module.load (module.js:356:32)
//     at Function.Module._load (module.js:312:12)
//     at Module.runMain (module.js:492:10)
//     at process.startup.processNextTick.process._tickCallback (node.js:244:9)

That's it!

function-name