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Avoid unnecessary array cloning in createRecurryWrapper and mergeData.

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John-David Dalton
2016-04-11 17:22:46 -07:00
parent a20b88d114
commit c38b4b29cf
1 changed files with 6 additions and 7 deletions
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13
lodash.js
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@@ -4732,7 +4732,6 @@
*/ */
function createRecurryWrapper(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) { function createRecurryWrapper(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
var isCurry = bitmask & CURRY_FLAG, var isCurry = bitmask & CURRY_FLAG,
newArgPos = argPos ? copyArray(argPos) : undefined,
newHolders = isCurry ? holders : undefined, newHolders = isCurry ? holders : undefined,
newHoldersRight = isCurry ? undefined : holders, newHoldersRight = isCurry ? undefined : holders,
newPartials = isCurry ? partials : undefined, newPartials = isCurry ? partials : undefined,
@@ -4746,7 +4745,7 @@
} }
var newData = [ var newData = [
func, bitmask, thisArg, newPartials, newHolders, newPartialsRight, func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
newHoldersRight, newArgPos, ary, arity newHoldersRight, argPos, ary, arity
]; ];
var result = wrapFunc.apply(undefined, newData); var result = wrapFunc.apply(undefined, newData);
@@ -5659,20 +5658,20 @@
var value = source[3]; var value = source[3];
if (value) { if (value) {
var partials = data[3]; var partials = data[3];
data[3] = partials ? composeArgs(partials, value, source[4]) : copyArray(value); data[3] = partials ? composeArgs(partials, value, source[4]) : value;
data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : copyArray(source[4]); data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
} }
// Compose partial right arguments. // Compose partial right arguments.
value = source[5]; value = source[5];
if (value) { if (value) {
partials = data[5]; partials = data[5];
data[5] = partials ? composeArgsRight(partials, value, source[6]) : copyArray(value); data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : copyArray(source[6]); data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
} }
// Use source `argPos` if available. // Use source `argPos` if available.
value = source[7]; value = source[7];
if (value) { if (value) {
data[7] = copyArray(value); data[7] = value;
} }
// Use source `ary` if it's smaller. // Use source `ary` if it's smaller.
if (srcBitmask & ARY_FLAG) { if (srcBitmask & ARY_FLAG) {