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map-obj

map-obj Build Status

Map object keys and values into a new object

Install

$ npm install --save map-obj

Usage

const mapObj = require('map-obj');
 
const newObject = mapObj({foo: 'bar'}, (key, value) => [value, key]);
//=> {bar: 'foo'} 

API

mapObj(source, mapper, [options])

source

Type: Object

Source object to copy properties from.

mapper

Type: Function

Mapping function.

  • It has signature mapper(sourceKey, sourceValue, source).
  • It must return a two item array: [targetKey, targetValue].

deep

Type: boolean
Default: false

Recurse nested objects and objects in arrays.

target

Type: Object
Default: {}

Target object to map properties on to.

Related

  • filter-obj - Filter object keys and values into a new object
  • object-assign - Copy enumerable own properties from one or more source objects to a target object

License

MIT © Sindre Sorhus

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Keywords

map, obj, object, key, keys, value, values, val, iterate, iterator, rename, modify, deep, recurse, recursive

Dependencies

None

Dependents (75)

@pwa/manifest-cli, xtzx, wc-starterkit, @apr/cfn-deploy, meow, swole, gulp-generate-image-data-uri, snakecase-keys, panqibao, camelcase-keys, objextender, reshine, @rstacruz/pnpm, oklahoma, pwa-manifest-cli, restau, yocto-utils, externalify, camelcase-object, runscripts-cli, pascalcase-keys, obj-query, obj-invert, zirconium, musicbrainz-search-client, map-object-recursive, node-musicbrainz-search-client, underscore-keys, replace-require-functions, rum-node, exposify, css-shorthand-expand, eslint-config-features, runscripts, decamelize-keys, map-array, if-got-cli, move-lines, camelcase-keys-deep, obstruction, camelcase-keys-recurse, bash-parser, camelcase-keys-recursive, decamelize-keys-deep, h5-templete, mongorito, fhir2, neutrino-preset-infl, and more