Bernt
1a12fb870b
- New /developers/ page with API docs, SDKs, pricing, use cases - OpenAPI 3.0 spec for Orders, Missions, Photos, Analytics - Case study: Glasskiosken i Flatenbadet — complete ROI analysis - Updated /order/ with recurring missions and frequency dropdown
34 lines
905 B
JavaScript
34 lines
905 B
JavaScript
// Returns a wrapper function that returns a wrapped callback
|
|
// The wrapper function should do some stuff, and return a
|
|
// presumably different callback function.
|
|
// This makes sure that own properties are retained, so that
|
|
// decorations and such are not lost along the way.
|
|
module.exports = wrappy
|
|
function wrappy (fn, cb) {
|
|
if (fn && cb) return wrappy(fn)(cb)
|
|
|
|
if (typeof fn !== 'function')
|
|
throw new TypeError('need wrapper function')
|
|
|
|
Object.keys(fn).forEach(function (k) {
|
|
wrapper[k] = fn[k]
|
|
})
|
|
|
|
return wrapper
|
|
|
|
function wrapper() {
|
|
var args = new Array(arguments.length)
|
|
for (var i = 0; i < args.length; i++) {
|
|
args[i] = arguments[i]
|
|
}
|
|
var ret = fn.apply(this, args)
|
|
var cb = args[args.length-1]
|
|
if (typeof ret === 'function' && ret !== cb) {
|
|
Object.keys(cb).forEach(function (k) {
|
|
ret[k] = cb[k]
|
|
})
|
|
}
|
|
return ret
|
|
}
|
|
}
|