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Bump to v3.9.3.

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jdalton
2015-05-25 16:10:31 -07:00
parent 3d3907ff27
commit 6ee2b9a7b8
4 changed files with 9 additions and 6 deletions
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5
internal/isIndex.js
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@@ -1,3 +1,6 @@
/** Used to detect unsigned integer values. */
var reIsUint = /^\d+$/;
/**
* Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
* of an array-like value.
@@ -13,7 +16,7 @@ var MAX_SAFE_INTEGER = 9007199254740991;
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
value = typeof value == 'number' ? value : parseFloat(value);
value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
length = length == null ? MAX_SAFE_INTEGER : length;
return value > -1 && value % 1 == 0 && value < length;
}