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lodash: Cleanup compiled code and check for a toArray method on objects before others in _.toArray. [jddalton]

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Former-commit-id: 9fdde9bbbecd0480e7d3d6674b43cea0810d2aed
This commit is contained in:
John-David Dalton
2012-04-23 10:48:08 -04:00
parent 9169039974
commit f58386b391
4 changed files with 154 additions and 123 deletions
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37
lodash.js
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@@ -84,7 +84,7 @@
'args': 'array',
'top': 'var values=concat.apply([],slice.call(arguments,1))',
'init': '[]',
'inLoop': 'indexOf(values,array[index])<0&&result.push(array[index])'
'inLoop': 'if(indexOf(values,array[index])<0)result.push(array[index])'
};
/** Compilation options for `_.every` */
@@ -113,7 +113,9 @@
/** Compilation options for `_.forEach` */
var forEachFactoryOptions = {
'args': 'collection,callback,thisArg',
'top': 'if(!callback){\ncallback=identity\n}\nelse if(thisArg){\ncallback=bind(callback,thisArg)\n}',
'top':
'if(!callback){\ncallback=identity\n}\n' +
'else if(thisArg){\ncallback=bind(callback,thisArg)\n}',
'init': 'collection',
'inLoop': 'callback(collection[index],index,collection)'
};
@@ -145,8 +147,8 @@
'top':
'var current,result=-Infinity,computed=result;\n' +
'if(!callback){\n' +
'if(isArray(collection)&&collection[0]===+collection[0])return Math.max.apply(Math,collection);\n' +
'if(isEmpty(collection))return result;\n' +
'if(isArray(collection)&&collection[0]===+collection[0])return Math.max.apply(Math,collection);\n' +
'if(isEmpty(collection))return result;\n' +
'}else if(thisArg)callback=bind(callback,thisArg)',
'inLoop':
'current=callback?callback(collection[index],index,collection):collection[index];\n' +
@@ -267,7 +269,7 @@
useHas = options.useHas !== false;
return Function('arrayClass,bind,concat,funcClass,hasOwnProperty,identity,' +
'indexOf,Infinity,isArray,isEmpty,Math,slice,stringClass,'+
'indexOf,Infinity,isArray,isEmpty,Math,slice,stringClass,' +
'toString,undefined',
'"use strict";' +
'return function(' + args + '){\n' +
@@ -616,15 +618,23 @@
* // => 6
*/
var reduce = iterationFactory({
'args': 'collection,callback,accumulator,thisArg',
'top': 'var initial=arguments.length>2;\nif(thisArg)callback=bind(callback,thisArg)',
'init': 'accumulator',
'args':
'collection,callback,accumulator,thisArg',
'top':
'var initial=arguments.length>2;\n' +
'if(thisArg)callback=bind(callback,thisArg)',
'init':
'accumulator',
'beforeLoop': {
'array': 'if(!initial)result=collection[++index]'
},
'inLoop': {
'array': 'result=callback(result,collection[index],index,collection)',
'object': 'result=initial\n?callback(result,collection[index],index,collection)\n:(initial=true,collection[index])'
'array':
'result=callback(result,collection[index],index,collection)',
'object':
'result=initial\n' +
'?callback(result,collection[index],index,collection)\n' +
':(initial=true,collection[index])'
}
});
@@ -871,12 +881,13 @@
if (!collection) {
return [];
}
if (isArray(collection) || isArguments(collection)) {
return slice.call(collection);
}
if (isFunction(collection.toArray)) {
return collection.toArray();
}
var length = collection.length;
if (length === +length) {
return slice.call(collection);
}
return values(collection);
}