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Revert to compiling _.assign and _.defaults, using isKeysFast, and tweak large array size in _.without.

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Former-commit-id: 275d453f49e762ac499a9328ddb8e156b8c9c22d
This commit is contained in:
John-David Dalton
2013-01-23 23:58:34 -08:00
parent dd9baa1502
commit 9f7319cff4
8 changed files with 279 additions and 267 deletions
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17
build.js
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@@ -174,14 +174,13 @@
'bottom',
'firstArg',
'hasDontEnumBug',
'isKeysNative',
'isKeysFast',
'loop',
'nonEnumArgs',
'noCharByIndex',
'shadowed',
'top',
'useHas',
'useStrict'
'useHas'
];
/** List of all Lo-Dash methods */
@@ -945,14 +944,16 @@
* @returns {String} Returns the modified source.
*/
function removeKeysOptimization(source) {
source = removeVar(source, 'isKeysFast');
// remove optimized branch in `iteratorTemplate`
source = source.replace(getIteratorTemplate(source), function(match) {
return match.replace(/(?: *\/\/.*\n)* *["']( *)<% *if *\(isKeysNative[\s\S]+?["']\1<% *} *else *{ *%>.+\n([\s\S]+?) *["']\1<% *} *%>.+/, "'\\n' +\n$2");
return match.replace(/(?: *\/\/.*\n)* *["']( *)<% *if *\(isKeysFast[\s\S]+?["']\1<% *} *else *{ *%>.+\n([\s\S]+?) *["']\1<% *} *%>.+/, "'\\n' +\n$2");
});
// remove data object property assignment in `createIterator`
source = source.replace(matchFunction(source, 'createIterator'), function(match) {
return match.replace(/ *'isKeysNative':.+\n/, '');
return match.replace(/ *'isKeysFast':.+\n/, '');
});
return source;
@@ -1448,7 +1449,7 @@
source = setUseStrictOption(source, isStrict);
if (isLegacy) {
_.each(['getPrototypeOf', 'isBindFast', 'nativeBind', 'nativeIsArray', 'nativeKeys'], function(varName) {
_.each(['getPrototypeOf', 'isBindFast', 'isKeysFast', 'nativeBind', 'nativeIsArray', 'nativeKeys'], function(varName) {
source = replaceVar(source, varName, 'false');
});
@@ -1467,10 +1468,9 @@
// remove `_.templateSettings.imports assignment
source = source.replace(/,[^']*'imports':[^}]+}/, '');
// remove large array and keys optimizations
// remove large array optimizations
source = removeFunction(source, 'cachedContains');
source = removeVar(source, 'largeArraySize');
source = removeKeysOptimization(source);
// replace `_.assign`
source = replaceFunction(source, 'assign', [
@@ -1769,6 +1769,7 @@
}
}
if (isMobile) {
source = removeKeysOptimization(source);
source = removeNoNodeClass(source);
// remove `prototype` [[Enumerable]] fix from `_.keys`