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- var composeArgs = require('./_composeArgs'),
- composeArgsRight = require('./_composeArgsRight'),
- countHolders = require('./_countHolders'),
- createCtor = require('./_createCtor'),
- createRecurry = require('./_createRecurry'),
- getHolder = require('./_getHolder'),
- reorder = require('./_reorder'),
- replaceHolders = require('./_replaceHolders'),
- root = require('./_root');
- var WRAP_BIND_FLAG = 1,
- WRAP_BIND_KEY_FLAG = 2,
- WRAP_CURRY_FLAG = 8,
- WRAP_CURRY_RIGHT_FLAG = 16,
- WRAP_ARY_FLAG = 128,
- WRAP_FLIP_FLAG = 512;
- function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
- var isAry = bitmask & WRAP_ARY_FLAG,
- isBind = bitmask & WRAP_BIND_FLAG,
- isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
- isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
- isFlip = bitmask & WRAP_FLIP_FLAG,
- Ctor = isBindKey ? undefined : createCtor(func);
- function wrapper() {
- var length = arguments.length,
- args = Array(length),
- index = length;
- while (index--) {
- args[index] = arguments[index];
- }
- if (isCurried) {
- var placeholder = getHolder(wrapper),
- holdersCount = countHolders(args, placeholder);
- }
- if (partials) {
- args = composeArgs(args, partials, holders, isCurried);
- }
- if (partialsRight) {
- args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
- }
- length -= holdersCount;
- if (isCurried && length < arity) {
- var newHolders = replaceHolders(args, placeholder);
- return createRecurry(
- func, bitmask, createHybrid, wrapper.placeholder, thisArg,
- args, newHolders, argPos, ary, arity - length
- );
- }
- var thisBinding = isBind ? thisArg : this,
- fn = isBindKey ? thisBinding[func] : func;
- length = args.length;
- if (argPos) {
- args = reorder(args, argPos);
- } else if (isFlip && length > 1) {
- args.reverse();
- }
- if (isAry && ary < length) {
- args.length = ary;
- }
- if (this && this !== root && this instanceof wrapper) {
- fn = Ctor || createCtor(fn);
- }
- return fn.apply(thisBinding, args);
- }
- return wrapper;
- }
- module.exports = createHybrid;
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