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Adjust fromIndex and length coercions.

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This commit is contained in:
John-David Dalton
2014-03-13 09:28:38 -07:00
parent 7e04c9a909
commit a90453461e
7 changed files with 184 additions and 184 deletions
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68
dist/lodash.underscore.js vendored
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@@ -159,7 +159,7 @@
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function baseIndexOf(array, value, fromIndex) {
var index = (fromIndex | 0) - 1,
var index = (+fromIndex || 0) - 1,
length = array ? array.length : 0;
while (++index < length) {
@@ -617,7 +617,7 @@
* @returns {Array} Returns the new flattened array.
*/
function baseFlatten(array, isShallow, isStrict, fromIndex) {
var index = (fromIndex | 0) - 1,
var index = (+fromIndex || 0) - 1,
length = array ? array.length : 0,
result = [];
@@ -978,9 +978,9 @@
callback = createCallback(callback, thisArg, 3);
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length > 0) {
if (length) {
while (++index < length) {
var value = collection[index];
setter(result, value, callback(value, index, collection), collection);
@@ -1346,7 +1346,7 @@
function indexOf(array, value, fromIndex) {
var length = array ? array.length : 0;
if (typeof fromIndex == 'number') {
fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) | 0;
fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : (fromIndex || 0);
} else if (fromIndex) {
var index = sortedIndex(array, value);
return (length && array[index] === value) ? index : -1;
@@ -1519,13 +1519,13 @@
var index = -1,
length = array ? array.length : 0;
start |= 0;
start = +start || 0;
if (start < 0) {
start = nativeMax(length + start, 0);
} else if (start > length) {
start = length;
}
end = typeof end == 'undefined' ? length : (end | 0);
end = typeof end == 'undefined' ? length : (+end || 0);
if (end < 0) {
end = nativeMax(length + end, 0);
} else if (end > length) {
@@ -1943,10 +1943,10 @@
*/
function contains(collection, target) {
var indexOf = getIndexOf(),
length = (collection && collection.length) | 0,
length = (length = collection && collection.length, length > -1 && length >>> 0),
result = false;
if (length > 0) {
if (length) {
return indexOf(collection, target) > -1;
}
baseEach(collection, function(value) {
@@ -2039,9 +2039,9 @@
predicate = createCallback(predicate, thisArg, 3);
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length > 0) {
if (length) {
while (++index < length) {
if (!predicate(collection[index], index, collection)) {
return false;
@@ -2100,9 +2100,9 @@
predicate = createCallback(predicate, thisArg, 3);
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length > 0) {
if (length) {
while (++index < length) {
var value = collection[index];
if (predicate(value, index, collection)) {
@@ -2163,8 +2163,8 @@
* // => { 'name': 'fred', 'age': 40, 'blocked': true }
*/
function find(collection, predicate, thisArg) {
var length = (collection && collection.length) | 0;
if (length > 0) {
var length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length) {
var index = findIndex(collection, predicate, thisArg);
return index > -1 ? collection[index] : undefined;
}
@@ -2200,10 +2200,10 @@
*/
function forEach(collection, callback, thisArg) {
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3);
if (length > 0) {
if (length) {
while (++index < length) {
if (callback(collection[index], index, collection) === breakIndicator) {
break;
@@ -2327,8 +2327,8 @@
var args = slice(arguments, 2),
index = -1,
isFunc = typeof methodName == 'function',
length = (collection && collection.length) | 0,
result = Array(length < 0 ? 0 : length);
length = collection && collection.length,
result = Array(length < 0 ? 0 : length >>> 0);
baseEach(collection, function(value) {
result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args);
@@ -2377,10 +2377,10 @@
*/
function map(collection, callback, thisArg) {
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
callback = createCallback(callback, thisArg, 3);
if (length > 0) {
if (length) {
var result = Array(length);
while (++index < length) {
result[index] = callback(collection[index], index, collection);
@@ -2444,9 +2444,9 @@
callback = null;
}
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (callback == null && length > 0) {
if (callback == null && length) {
while (++index < length) {
var value = collection[index];
if (value > result) {
@@ -2517,9 +2517,9 @@
callback = null;
}
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (callback == null && length > 0) {
if (callback == null && length) {
while (++index < length) {
var value = collection[index];
if (value < result) {
@@ -2645,9 +2645,9 @@
callback = createCallback(callback, thisArg, 4);
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length > 0) {
if (length) {
if (noaccum && length) {
accumulator = collection[++index];
}
@@ -2761,7 +2761,7 @@
collection = values(collection);
}
if (n == null || guard) {
var length = (collection && collection.length) | 0;
var length = (length = collection && collection.length, length > -1 && length >>> 0);
return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
}
var result = shuffle(collection);
@@ -2786,8 +2786,8 @@
*/
function shuffle(collection) {
var index = -1,
length = (collection && collection.length) | 0,
result = Array(length < 0 ? 0 : length);
length = collection && collection.length,
result = Array(length < 0 ? 0 : length >>> 0);
baseEach(collection, function(value) {
var rand = baseRandom(0, ++index);
@@ -2870,9 +2870,9 @@
predicate = createCallback(predicate, thisArg, 3);
var index = -1,
length = (collection && collection.length) | 0;
length = (length = collection && collection.length, length > -1 && length >>> 0);
if (length > 0) {
if (length) {
while (++index < length) {
if (predicate(collection[index], index, collection)) {
return true;
@@ -2937,8 +2937,8 @@
*/
function sortBy(collection, callback, thisArg) {
var index = -1,
length = (collection && collection.length) | 0,
result = Array(length < 0 ? 0 : length);
length = collection && collection.length,
result = Array(length < 0 ? 0 : length >>> 0);
callback = createCallback(callback, thisArg, 3);
baseEach(collection, function(value, key, collection) {