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Add _.toFinite.

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John-David Dalton
2016-05-04 21:09:28 -07:00
parent 73e7bab839
commit 9a461a5e48
2 changed files with 85 additions and 44 deletions
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92
lodash.js
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@@ -1416,10 +1416,10 @@
* `floor`, `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`,
* `forOwnRight`, `get`, `gt`, `gte`, `has`, `hasIn`, `head`, `identity`,
* `includes`, `indexOf`, `inRange`, `invoke`, `isArguments`, `isArray`,
* `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, `isBoolean`, `isBuffer`,
* `isDate`, `isElement`, `isEmpty`, `isEqual`, `isEqualWith`, `isError`,
* `isFinite`, `isFunction`, `isInteger`, `isLength`, `isMap`, `isMatch`,
* `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, `isNumber`,
* `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, `isBoolean`,
* `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`, `isEqualWith`,
* `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`, `isMap`,
* `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, `isNumber`,
* `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`, `isSafeInteger`,
* `isSet`, `isString`, `isUndefined`, `isTypedArray`, `isWeakMap`, `isWeakSet`,
* `join`, `kebabCase`, `last`, `lastIndexOf`, `lowerCase`, `lowerFirst`,
@@ -1428,9 +1428,9 @@
* `pop`, `random`, `reduce`, `reduceRight`, `repeat`, `result`, `round`,
* `runInContext`, `sample`, `shift`, `size`, `snakeCase`, `some`, `sortedIndex`,
* `sortedIndexBy`, `sortedLastIndex`, `sortedLastIndexBy`, `startCase`,
* `startsWith`, `subtract`, `sum`, `sumBy`, `template`, `times`, `toInteger`,
* `toJSON`, `toLength`, `toLower`, `toNumber`, `toSafeInteger`, `toString`,
* `toUpper`, `trim`, `trimEnd`, `trimStart`, `truncate`, `unescape`,
* `startsWith`, `subtract`, `sum`, `sumBy`, `template`, `times`, `toFinite`,
* `toInteger`, `toJSON`, `toLength`, `toLower`, `toNumber`, `toSafeInteger`,
* `toString`, `toUpper`, `trim`, `trimEnd`, `trimStart`, `truncate`, `unescape`,
* `uniqueId`, `upperCase`, `upperFirst`, `value`, and `words`
*
* @name _
@@ -10858,14 +10858,14 @@
* _.isFinite(3);
* // => true
*
* _.isFinite(Number.MAX_VALUE);
* // => true
*
* _.isFinite(3.14);
* _.isFinite(Number.MIN_VALUE);
* // => true
*
* _.isFinite(Infinity);
* // => false
*
* _.isFinite('3');
* // => false
*/
function isFinite(value) {
return typeof value == 'number' && nativeIsFinite(value);
@@ -11586,6 +11586,41 @@
return func(value);
}
/**
* Converts `value` to a finite number.
*
* @static
* @memberOf _
* @since 4.12.0
* @category Lang
* @param {*} value The value to convert.
* @returns {number} Returns the converted number.
* @example
*
* _.toFinite(3.2);
* // => 3.2
*
* _.toFinite(Number.MIN_VALUE);
* // => 5e-324
*
* _.toFinite(Infinity);
* // => 1.7976931348623157e+308
*
* _.toFinite('3.2');
* // => 3.2
*/
function toFinite(value) {
if (!value) {
return value === 0 ? value : 0;
}
value = toNumber(value);
if (value === INFINITY || value === -INFINITY) {
var sign = (value < 0 ? -1 : 1);
return sign * MAX_INTEGER;
}
return value === value ? value : 0;
}
/**
* Converts `value` to an integer.
*
@@ -11600,7 +11635,7 @@
* @returns {number} Returns the converted integer.
* @example
*
* _.toInteger(3);
* _.toInteger(3.2);
* // => 3
*
* _.toInteger(Number.MIN_VALUE);
@@ -11609,20 +11644,14 @@
* _.toInteger(Infinity);
* // => 1.7976931348623157e+308
*
* _.toInteger('3');
* _.toInteger('3.2');
* // => 3
*/
function toInteger(value) {
if (!value) {
return value === 0 ? value : 0;
}
value = toNumber(value);
if (value === INFINITY || value === -INFINITY) {
var sign = (value < 0 ? -1 : 1);
return sign * MAX_INTEGER;
}
var remainder = value % 1;
return value === value ? (remainder ? value - remainder : value) : 0;
var result = toFinite(value),
remainder = result % 1;
return result === result ? (remainder ? result - remainder : result) : 0;
}
/**
@@ -11640,7 +11669,7 @@
* @returns {number} Returns the converted integer.
* @example
*
* _.toLength(3);
* _.toLength(3.2);
* // => 3
*
* _.toLength(Number.MIN_VALUE);
@@ -11649,7 +11678,7 @@
* _.toLength(Infinity);
* // => 4294967295
*
* _.toLength('3');
* _.toLength('3.2');
* // => 3
*/
function toLength(value) {
@@ -11667,8 +11696,8 @@
* @returns {number} Returns the number.
* @example
*
* _.toNumber(3);
* // => 3
* _.toNumber(3.2);
* // => 3.2
*
* _.toNumber(Number.MIN_VALUE);
* // => 5e-324
@@ -11676,8 +11705,8 @@
* _.toNumber(Infinity);
* // => Infinity
*
* _.toNumber('3');
* // => 3
* _.toNumber('3.2');
* // => 3.2
*/
function toNumber(value) {
if (typeof value == 'number') {
@@ -11740,7 +11769,7 @@
* @returns {number} Returns the converted integer.
* @example
*
* _.toSafeInteger(3);
* _.toSafeInteger(3.2);
* // => 3
*
* _.toSafeInteger(Number.MIN_VALUE);
@@ -11749,7 +11778,7 @@
* _.toSafeInteger(Infinity);
* // => 9007199254740991
*
* _.toSafeInteger('3');
* _.toSafeInteger('3.2');
* // => 3
*/
function toSafeInteger(value) {
@@ -15915,6 +15944,7 @@
lodash.sumBy = sumBy;
lodash.template = template;
lodash.times = times;
lodash.toFinite = toFinite;
lodash.toInteger = toInteger;
lodash.toLength = toLength;
lodash.toLower = toLower;