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Reduce _.isFinite, _.sortedIndex, and _.map, tweak docs for _.unescape, and ensure rewritten _.map works for objects correctly.

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Former-commit-id: 43c810538b500b55018d4cfb9812618671fae2c7
This commit is contained in:
John-David Dalton
2012-10-21 11:32:16 -07:00
parent 74caea8f8f
commit 26aed3e89e
4 changed files with 90 additions and 77 deletions
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39
lodash.js
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@@ -93,7 +93,6 @@
var nativeBind = reNative.test(nativeBind = slice.bind) && nativeBind,
nativeIsArray = reNative.test(nativeIsArray = Array.isArray) && nativeIsArray,
nativeIsFinite = window.isFinite,
nativeIsNaN = window.isNaN,
nativeKeys = reNative.test(nativeKeys = Object.keys) && nativeKeys,
nativeMax = Math.max,
nativeMin = Math.min,
@@ -1387,10 +1386,10 @@
}
/**
* Checks if `value` is a finite number.
* Checks if `value` is, or can be coerced to, a finite number.
*
* Note: This is not the same as native `isFinite`, which will return true for
* booleans and other values. See http://es5.github.com/#x15.1.2.5.
* booleans and empty strings. See http://es5.github.com/#x15.1.2.5.
*
* @deprecated
* @static
@@ -1404,13 +1403,19 @@
* // => true
*
* _.isFinite('10');
* // => true
*
* _.isFinite(true);
* // => false
*
* _.isFinite('');
* // => false
*
* _.isFinite(Infinity);
* // => false
*/
function isFinite(value) {
return nativeIsFinite(value) && !nativeIsNaN(parseFloat(value));
return nativeIsFinite(value ? +value : parseFloat(value));
}
/**
@@ -2930,18 +2935,14 @@
var low = 0,
high = array ? array.length : low;
if (callback) {
callback = createCallback(callback, thisArg);
value = callback(value);
while (low < high) {
var mid = (low + high) >>> 1;
callback(array[mid]) < value ? low = mid + 1 : high = mid;
}
} else {
while (low < high) {
var mid = (low + high) >>> 1;
array[mid] < value ? low = mid + 1 : high = mid;
}
// explicitly reference `identity` for better engine inlining
callback = callback ? createCallback(callback, thisArg) : identity;
value = callback(value);
while (low < high) {
var mid = (low + high) >>> 1;
callback(array[mid]) < value
? low = mid + 1
: high = mid;
}
return low;
}
@@ -3456,7 +3457,6 @@
timeoutId = null;
result = func.apply(thisArg, args);
}
return function() {
var now = new Date,
remaining = wait - (now - lastCalled);
@@ -3867,8 +3867,9 @@
}
/**
* Converts the HTML entities `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#x27;`
* in `string` to their corresponding characters.
* The opposite of `_.escape`, this method converts the HTML entities
* `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#x27;` in `string` to their
* corresponding characters.
*
* @static
* @memberOf _