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wrappy (1.0.2)

Published 2026-02-24 14:08:51 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install wrappy@1.0.2

or add it to the package.json file:

"wrappy": "1.0.2"

For more information on the npm registry, see the documentation.

About this package

wrappy

Callback wrapping utility

USAGE

var wrappy = require("wrappy")

// var wrapper = wrappy(wrapperFunction)

// make sure a cb is called only once
// See also: http://npm.im/once for this specific use case
var once = wrappy(function (cb) {
  var called = false
  return function () {
    if (called) return
    called = true
    return cb.apply(this, arguments)
  }
})

function printBoo () {
  console.log('boo')
}
// has some rando property
printBoo.iAmBooPrinter = true

var onlyPrintOnce = once(printBoo)

onlyPrintOnce() // prints 'boo'
onlyPrintOnce() // does nothing

// random property is retained!
assert.equal(onlyPrintOnce.iAmBooPrinter, true)

Dependencies

Development Dependencies

ID	Version
tap	^2.3.1

Details

npm

2026-02-24 14:08:51 +00:00

0

Isaac Z. Schlueter

Project Site

ISC

latest

1.6 KiB

Assets (1)

wrappy-1.0.2.tgz 1.6 KiB

Versions (1) View all

1.0.2 2026-02-24