Function createWrap

test-app/public/sinon.js:16119–16172

* Creates a function that either curries or invokes `func` with optional * `this` binding and partially applied arguments. * * @private * @param {Function|string} func The function or method name to wrap. * @param {number} bitmask The bitmask flags.

(func, bitmask, thisArg, partials, holders, argPos, ary, arity)

         * @returns {Function} Returns the new wrapped function.
         */
        function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
          var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
          if (!isBindKey && typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          var length = partials ? partials.length : 0;
          if (!length) {
            bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
            partials = holders = undefined;
          }
          ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
          arity = arity === undefined ? arity : toInteger(arity);
          length -= holders ? holders.length : 0;
    
          if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
            var partialsRight = partials,
                holdersRight = holders;
    
            partials = holders = undefined;
          }
          var data = isBindKey ? undefined : getData(func);
    
          var newData = [
            func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
            argPos, ary, arity
          ];
    
          if (data) {
            mergeData(newData, data);
          }
          func = newData[0];
          bitmask = newData[1];
          thisArg = newData[2];
          partials = newData[3];
          holders = newData[4];
          arity = newData[9] = newData[9] === undefined
            ? (isBindKey ? 0 : func.length)
            : nativeMax(newData[9] - length, 0);
    
          if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
            bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
          }
          if (!bitmask || bitmask == WRAP_BIND_FLAG) {
            var result = createBind(func, bitmask, thisArg);
          } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
            result = createCurry(func, bitmask, arity);
          } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
            result = createPartial(func, bitmask, thisArg, partials);
          } else {
            result = createHybrid.apply(undefined, newData);
          }
          var setter = data ? baseSetData : setData;
          return setWrapToString(setter(result, newData), func, bitmask);
        }
    
        /**
         * Used by `_.defaults` to customize its `_.assignIn` use to assign properties