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Cleanup _.toInteger and max MAX_INTEGER equal to Number.MAX_VALUE.

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This commit is contained in:
John-David Dalton
2015-10-31 10:48:06 -07:00
parent eb636f9538
commit 39a22bf15b
2 changed files with 7 additions and 6 deletions
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11
lodash.js
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@@ -54,7 +54,7 @@
/** Used as references for various `Number` constants. */ /** Used as references for various `Number` constants. */
var INFINITY = 1 / 0, var INFINITY = 1 / 0,
MAX_SAFE_INTEGER = 9007199254740991, MAX_SAFE_INTEGER = 9007199254740991,
MAX_INTEGER = 1e308; MAX_INTEGER = 1.7976931348623157e+308;
/** Used as references for the maximum length and index of an array. */ /** Used as references for the maximum length and index of an array. */
var MAX_ARRAY_LENGTH = 4294967295, var MAX_ARRAY_LENGTH = 4294967295,
@@ -9837,13 +9837,14 @@
* // => 0 * // => 0
* *
* _.toInteger(-Infinity) * _.toInteger(-Infinity)
* // => -1e308 * // => 1.7976931348623157e+308
*/ */
function toInteger(value) { function toInteger(value) {
if (value === INFINITY || value === -INFINITY) {
return (value < 0 ? -1 : 1) * MAX_INTEGER;
}
value = +value; value = +value;
if (value === INFINITY || value === -INFINITY) {
var sign = (value < 0 ? -1 : 1);
return sign * MAX_INTEGER;
}
var remainder = value % 1; var remainder = value % 1;
return value === value ? (remainder ? value - remainder : value) : 0; return value === value ? (remainder ? value - remainder : value) : 0;
} }

2
test/test.js
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@@ -14,7 +14,7 @@
/** Used as references for various `Number` constants. */ /** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991, var MAX_SAFE_INTEGER = 9007199254740991,
MAX_INTEGER = 1e308; MAX_INTEGER = 1.7976931348623157e+308;
/** Used as references for the maximum length and index of an array. */ /** Used as references for the maximum length and index of an array. */
var MAX_ARRAY_LENGTH = 4294967295, var MAX_ARRAY_LENGTH = 4294967295,