put-value

Update only existing values from an object, works with dot notation paths like a.b.c and support deep nesting.

Features

• updates value of key only if key exists
• updates only existing values of obj when object is given to key
• because set-value update values if exist and add if not exist
• returns original object if key is not an object or string
• returns empty object if obj is not an object
• returns modified object otherwise

Install

npm i put-value --save
npm test

Usage

For more use-cases see the tests

var put = require('put-value')
var obj = {
  a: {
    foo: 'bar'
  },
  b: {
    bb: 'bbb'
  }
}

put(123) //=> empty object {}
put(obj, {a: {bar: 'baz'}}) //=> original `obj`
put(obj, {a: 'foo'}})
//=> {
//   a: 'foo',
//   b: {
//     bb: 'bbb'
//   }
// }

put(obj, {zzz: 'xxx'}) //=> original `obj`
put(obj, 'foo', 'baz') //=> original `obj`
put(obj, 'foo.bar', 'baz') //=> original `obj`
put(obj, 'a', {foo: 123})
//=> {
//   a: {
//     foo: 123
//   },
//   b: {
//     bb: 'bbb'
//   }
// }

put(obj, 'a.foo', {baz: 'aaa'})
//=> {
//   a: {
//     foo: {
//       baz: 'aaa'
//     }
//   },
//   b: {
//     bb: 'bbb'
//   }
// }

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.

Charlike Make Reagent

Current Tags

• 0.1.0                                ...           latest (11 years ago)

2 Versions

• 0.1.0                                ...           11 years ago
• 0.0.0                                ...           11 years ago