github.com/jfrog/frogbot@v1.1.1-0.20231221090046-821a26f50338/action/node_modules/wrappy/wrappy.js (about)

     1  // Returns a wrapper function that returns a wrapped callback
     2  // The wrapper function should do some stuff, and return a
     3  // presumably different callback function.
     4  // This makes sure that own properties are retained, so that
     5  // decorations and such are not lost along the way.
     6  module.exports = wrappy
     7  function wrappy (fn, cb) {
     8    if (fn && cb) return wrappy(fn)(cb)
     9  
    10    if (typeof fn !== 'function')
    11      throw new TypeError('need wrapper function')
    12  
    13    Object.keys(fn).forEach(function (k) {
    14      wrapper[k] = fn[k]
    15    })
    16  
    17    return wrapper
    18  
    19    function wrapper() {
    20      var args = new Array(arguments.length)
    21      for (var i = 0; i < args.length; i++) {
    22        args[i] = arguments[i]
    23      }
    24      var ret = fn.apply(this, args)
    25      var cb = args[args.length-1]
    26      if (typeof ret === 'function' && ret !== cb) {
    27        Object.keys(cb).forEach(function (k) {
    28          ret[k] = cb[k]
    29        })
    30      }
    31      return ret
    32    }
    33  }