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Cleanup createFlow.

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jdalton
2015-05-08 18:55:57 -07:00
parent 9efb73f592
commit f0b3c1a9ab
1 changed files with 8 additions and 9 deletions
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17
lodash.src.js
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@@ -3515,11 +3515,8 @@
*/ */
function createFlow(fromRight) { function createFlow(fromRight) {
return function() { return function() {
var length = arguments.length;
if (!length) {
return function() { return arguments[0]; };
}
var wrapper, var wrapper,
length = arguments.length,
index = fromRight ? length : -1, index = fromRight ? length : -1,
leftIndex = 0, leftIndex = 0,
funcs = Array(length); funcs = Array(length);
@@ -3529,15 +3526,17 @@
if (typeof func != 'function') { if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT); throw new TypeError(FUNC_ERROR_TEXT);
} }
var funcName = wrapper ? '' : getFuncName(func); if (!wrapper && getFuncName(func) == 'wrapper') {
wrapper = funcName == 'wrapper' ? new LodashWrapper([]) : wrapper; wrapper = new LodashWrapper([]);
}
} }
index = wrapper ? -1 : length; index = wrapper ? -1 : length;
while (++index < length) { while (++index < length) {
func = funcs[index]; func = funcs[index];
funcName = getFuncName(func);
var data = funcName == 'wrapper' ? getData(func) : null; var funcName = getFuncName(func),
data = funcName == 'wrapper' ? getData(func) : null;
if (data && isLaziable(data[0]) && data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && !data[4].length && data[9] == 1) { if (data && isLaziable(data[0]) && data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) && !data[4].length && data[9] == 1) {
wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
} else { } else {
@@ -3550,7 +3549,7 @@
return wrapper.plant(args[0]).value(); return wrapper.plant(args[0]).value();
} }
var index = 0, var index = 0,
result = funcs[index].apply(this, args); result = length ? funcs[index].apply(this, args) : args[0];
while (++index < length) { while (++index < length) {
result = funcs[index].call(this, result); result = funcs[index].call(this, result);