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Ensure _.toIterable converts primitives to objects for easier detection of callback signatures.

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John-David Dalton
2014-07-25 07:44:27 -07:00
parent d5e55f9dbd
commit c159da1fbc
1 changed files with 23 additions and 8 deletions
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31
lodash.js
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@@ -1693,7 +1693,7 @@
iterable = toIterable(collection);
while (++index < length) {
if (iterator(iterable[index], index, collection) === false) {
if (iterator(iterable[index], index, iterable) === false) {
break;
}
}
@@ -1716,7 +1716,7 @@
}
var iterable = toIterable(collection);
while (length--) {
if (iterator(iterable[length], length, collection) === false) {
if (iterator(iterable[length], length, iterable) === false) {
break;
}
}
@@ -3083,13 +3083,23 @@
* @returns {Array} Returns the iterable object.
*/
function toIterable(collection) {
var length = collection ? collection.length : 0;
if (collection == null) {
return [];
}
var length = collection.length;
if (!(typeof length == 'number' && length > -1 && length <= MAX_SAFE_INTEGER)) {
return values(collection);
} else if (support.unindexedChars && isString(collection)) {
return collection.split('');
}
return collection || [];
collection = Object(collection);
if (support.unindexedChars && isString(collection)) {
var index = -1;
length = collection.length;
while (++index < length) {
collection[index] = collection.charAt(index);
}
}
return collection;
}
/*--------------------------------------------------------------------------*/
@@ -5547,8 +5557,13 @@
* // => [2, 3, 4]
*/
function toArray(collection) {
var iterable = toIterable(collection);
return iterable === collection ? slice(collection) : iterable;
var length = collection ? collection.length : 0;
if (typeof length == 'number' && length > -1 && length <= MAX_SAFE_INTEGER) {
return (support.unindexedChars && isString(collection))
? collection.split('')
: slice(collection);
}
return values(collection);
}
/**