Simplify iteratorTemplate, createIterator, and _.keys.

Former-commit-id: 89c6d5a0311944e86fa4fca330328e903ce18958
This commit is contained in:
John-David Dalton
2012-11-06 21:59:42 -08:00
parent 482e013887
commit 23a0507439
5 changed files with 78 additions and 84 deletions

View File

@@ -64,10 +64,10 @@
/** Used to track function dependencies */
var dependencyMap = {
'after': [],
'bind': ['isFunction'],
'bind': ['isFunction', 'isObject'],
'bindAll': ['bind', 'functions'],
'chain': ['mixin'],
'clone': ['extend', 'forEach', 'forOwn', 'isArguments', 'isPlainObject'],
'clone': ['extend', 'forEach', 'forOwn', 'isArguments', 'isObject', 'isPlainObject'],
'compact': [],
'compose': [],
'contains': ['indexOf', 'isString', 'some'],
@@ -84,7 +84,7 @@
'find': ['some'],
'first': [],
'flatten': ['isArray'],
'forEach': ['identity'],
'forEach': ['identity', 'isString'],
'forIn': ['identity', 'isArguments'],
'forOwn': ['identity', 'isArguments'],
'functions': ['forIn', 'isFunction'],
@@ -113,10 +113,10 @@
'isRegExp': [],
'isString': [],
'isUndefined': [],
'keys': ['forOwn', 'isArguments'],
'keys': ['forOwn', 'isArguments', 'isObject'],
'last': [],
'lastIndexOf': [],
'lateBind': ['isFunction'],
'lateBind': ['isFunction', 'isObject'],
'map': ['forEach', 'isArray'],
'max': ['forEach', 'isArray', 'isString'],
'memoize': [],
@@ -128,7 +128,7 @@
'omit': ['forIn', 'indexOf'],
'once': [],
'pairs': ['forOwn'],
'partial': ['isFunction'],
'partial': ['isFunction', 'isObject'],
'pick': ['forIn'],
'pluck': ['forEach'],
'random': [],
@@ -1244,7 +1244,7 @@
source = removeKeysOptimization(source);
// remove `prototype` [[Enumerable]] fix from `_.keys`
source = source.replace(/(?:\s*\/\/.*)*\n( *)if *\(.+?propertyIsEnumerable[\s\S]+?\n\1}/, '');
source = source.replace(/(?:\s*\/\/.*)*(\s*return *).+?propertyIsEnumerable[\s\S]+?: */, '$1');
// remove `prototype` [[Enumerable]] fix from `iteratorTemplate`
source = source

View File

@@ -16,6 +16,7 @@
'hasOwnProperty',
'index',
'isArguments',
'isString',
'iteratee',
'length',
'nativeKeys',
@@ -26,9 +27,7 @@
'propertyIsEnumerable',
'result',
'skipProto',
'stringClass',
'thisArg',
'toString',
'value'
];

View File

@@ -327,7 +327,7 @@
// add support for accessing string characters by index if needed
' <% if (noCharByIndex) { %>\n' +
' if (toString.call(iteratee) == stringClass) {\n' +
' if (isString(iteratee)) {\n' +
' iteratee = iteratee.split(\'\')\n' +
' }' +
' <% } %>\n' +
@@ -565,7 +565,7 @@
// mimic the constructor's `return` behavior
// http://es5.github.com/#x13.2.2
var result = func.apply(thisBinding, args);
return result && objectTypes[typeof result]
return isObject(result)
? result
: thisBinding
}
@@ -640,14 +640,14 @@
// create the function factory
var factory = Function(
'createCallback, hasOwnProperty, isArguments, objectTypes, nativeKeys, ' +
'propertyIsEnumerable, stringClass, toString',
'createCallback, hasOwnProperty, isArguments, isString, objectTypes, ' +
'nativeKeys, propertyIsEnumerable',
'return function(' + args + ') {\n' + iteratorTemplate(data) + '\n}'
);
// return the compiled function
return factory(
createCallback, hasOwnProperty, isArguments, objectTypes, nativeKeys,
propertyIsEnumerable, stringClass, toString
createCallback, hasOwnProperty, isArguments, isString, objectTypes,
nativeKeys, propertyIsEnumerable
);
}
@@ -900,7 +900,7 @@
deep = false;
}
// inspect [[Class]]
var isObj = objectTypes[typeof value];
var isObj = isObject(value);
if (isObj) {
// don't clone `arguments` objects, functions, or non-object Objects
var className = toString.call(value);
@@ -1585,15 +1585,10 @@
* // => ['one', 'two', 'three'] (order is not guaranteed)
*/
var keys = !nativeKeys ? shimKeys : function(object) {
var type = typeof object;
// avoid iterating over the `prototype` property
if (type == 'function' && propertyIsEnumerable.call(object, 'prototype')) {
return shimKeys(object);
}
return object && objectTypes[type]
? nativeKeys(object)
: [];
return typeof object == 'function' && propertyIsEnumerable.call(object, 'prototype')
? shimKeys(object)
: (isObject(object) ? nativeKeys(object) : []);
};
/**

70
lodash.min.js vendored
View File

@@ -2,38 +2,38 @@
Lo-Dash 0.9.1 lodash.com/license
Underscore.js 1.4.2 underscorejs.org/LICENSE
*/
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