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Cleanup _.defaultTo.

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John-David Dalton
2016-05-25 08:41:51 -07:00
parent 5fbc5303ff
commit 6e67ebab05
4 changed files with 33 additions and 58 deletions
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41
lodash.js
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@@ -1399,13 +1399,13 @@
*
* The wrapper methods that are **not** chainable by default are:
* `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
* `cloneDeep`, `cloneDeepWith`, `cloneWith`, `deburr`, `divide`, `each`,
* `eachRight`, `endsWith`, `eq`, `escape`, `escapeRegExp`, `every`, `find`,
* `findIndex`, `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `first`,
* `floor`, `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`,
* `forOwnRight`, `get`, `gt`, `gte`, `has`, `hasIn`, `head`, `identity`,
* `includes`, `indexOf`, `inRange`, `invoke`, `isArguments`, `isArray`,
* `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, `isBoolean`,
* `cloneDeep`, `cloneDeepWith`, `cloneWith`, `deburr`, `defaultTo`, `divide`,
* `each`, `eachRight`, `endsWith`, `eq`, `escape`, `escapeRegExp`, `every`,
* `find`, `findIndex`, `findKey`, `findLast`, `findLastIndex`, `findLastKey`,
* `first`, `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`,
@@ -12404,7 +12404,7 @@
/**
* Gets the value at `path` of `object`. If the resolved value is
* `undefined`, the `defaultValue` is used in its place.
* `undefined`, the `defaultValue` is returned in its place.
*
* @static
* @memberOf _
@@ -14706,28 +14706,23 @@
}
/**
* Returns a default value if the input is `undefined`.
* Checks `value` to determine if a default value should be returned.
* If `value` is `undefined`, the `defaultValue` is returned in its place.
*
* @static
* @memberOf _
* @since 4.13.2
* @since 4.14.0
* @category Util
* @param {*} input The value to be checked if it is `undefined`.
* @param {*} defaultValue The default value that gets returned if the input is `undefined`.
* @returns {*} Returns the input or if it's `undefined`, the default value.
* @param {*} value The value to check.
* @param {*} defaultValue The default value.
* @returns {*} Returns the resolved value.
* @example
*
* console.log(_.defaultTo(undefined, 10));
* _.defaultTo(1, 10);
* // => 1
*
* _.defaultTo(undefined, 10);
* // => 10
*
* // Inside flow (FP only)
* var findOrDefault = _.flow([
* _.find(function(number) { number > 5; }),
* _.defaultTo(0)
* ]);
*
* findOrDefault([1,2,3]);
* // => 0
*/
function defaultTo(value, defaultValue) {
return value === undefined ? defaultValue : value;