Tryag File Manager
Home
||
Turbo Force
||
B-F Config_Cpanel
Current Path :
/
home
/
yanggyein
/
yanggyein
/
yang_ai
/
node_modules
/
wrappy
/
Or
Select Your Path :
Upload File :
New :
File
Dir
/home/yanggyein/yanggyein/yang_ai/node_modules/wrappy/README.md
# wrappy Callback wrapping utility ## USAGE ```javascript 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) ```