git.schokokeks.org
Repositories
Help
Report an Issue
fs-words.git
Code
Commits
Branches
Tags
Suche
Strukturansicht:
6e9c872
Branches
Tags
develop-client_server
master
typescript
fs-words.git
server
lib
node_modules
wrappy
README.md
[add] server:lib:node_modules
Christian Fraß
commited
6e9c872
at 2021-03-08 23:52:07
README.md
Blame
History
Raw
# 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) ```
