function promisableChain()

in public/dexie.js [635:650]

• 16 lines of code
• 5 McCabe index (conditional complexity)

  function promisableChain(f1, f2) {
    if (f1 === nop) return f2;
    return function () {
      var res = f1.apply(this, arguments);
      if (res && typeof res.then === "function") {
        var thiz = this,
          i = arguments.length,
          args = new Array(i);
        while (i--) args[i] = arguments[i];
        return res.then(function () {
          return f2.apply(thiz, args);
        });
      }
      return f2.apply(this, arguments);
    };
  }