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Add more examples for u.updateIn

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Aaron Jensen 2015-08-13 20:57:57 -07:00
parent 7d03d350be
commit e53aa11b27
1 changed files with 9 additions and 3 deletions
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README.md
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@ -178,7 +178,7 @@ expect(result).toEqual({ name: "Joe Merrill", age: 22 });
### `u.updateIn(path(, value)(, object))` ### `u.updateIn(path(, value)(, object))`
Update a single value with a simple string or array path. Update a single value with a simple string or array path. Can be use to update nested objects, arrays, or a combination.
```js ```js
var result = u.updateIn('bunny.color', 'brown', { bunny: { color: 'black' } }); var result = u.updateIn('bunny.color', 'brown', { bunny: { color: 'black' } });
@ -186,6 +186,12 @@ var result = u.updateIn('bunny.color', 'brown', { bunny: { color: 'black' } });
expect(result).toEqual({ bunny: { color: 'brown' } }); expect(result).toEqual({ bunny: { color: 'brown' } });
``` ```
```js
var result = u.updateIn('0.1.color', 'brown', [[{ color: 'blue' }, { color: 'red' }], []]);
expect(result).toEqual( [[{ color: 'blue' }, { color: 'brown' }], []]);
```
```js ```js
function increment(i) { return i + 1; } function increment(i) { return i + 1; }
@ -195,9 +201,9 @@ expect(result).toEqual({ bunny: { age: 3 } });
``` ```
```js ```js
var result = u({ pet: u.updateIn(['bunny', 'age'], 3) }, { pet: { bunny: { age: 2 } } }); var result = u({ pets: u.updateIn([0, 'bunny', 'age'], 3) }, { pets: [{ bunny: { age: 2 } }] });
expect(result).toEqual({ pet: { bunny: { age: 3 } } }); expect(result).toEqual({ pets: [{ bunny: { age: 3 } }] });
``` ```
### `u.constant(object)` ### `u.constant(object)`