npmpackage.info

Gathering detailed insights and metrics for map-obj

Other packages similar to map-obj

@f/map-obj

1.2.2

Map for objects.

obj-walker

2.4.0

Walk or map over objects in a depth-first preorder or postorder manner.

@types/map-obj

3.1.0

Stub TypeScript definitions entry for map-obj, which provides its own types definitions

typechecker

9.3.0

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Gathering detailed insights and metrics for map-obj

map-obj - 5.0.2 | npmpackage.info

map-obj

Map object keys and values into a new object

5.0.2

213

MIT

JavaScript

569.00 B

6,399,684,678 4.3

Installations

npm install map-obj

Developer Guide

BETA

Typescript

Yes

Module System

ESM

Min. Node Version

^12.20.0 || ^14.13.1 || >=16.0.0

Node Version

12.22.1

NPM Version

8.3.2 Score

99.8

Supply Chain

99.5

Quality

75.7

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

0

Total

29

Closed

17

Merged

12

Issues

Open

4

Total

22

Closed

18

Releases

v5.0.2

Updated on Jun 21, 2022

v5.0.1

Updated on Feb 28, 2022

v5.0.0

Updated on Oct 18, 2021

v4.3.0

Updated on Sep 19, 2021

v4.2.1

Updated on Apr 07, 2021

v4.2.0

Updated on Mar 10, 2021

View All 9 releases

Languages

JavaScript

TypeScript

JavaScript (79.68%)

TypeScript (20.32%)

Developer

sindresorhus

Download Statistics

Total Downloads

6,399,684,678

Last Day

1,522,120

Last Week

26,284,971

Last Month

115,816,382

Last Year

1,228,477,500

GitHub Statistics

MIT License

213 Stars

49 Commits

43 Forks

5 Watchers

1 Branches

11 Contributors

Updated on Jun 01, 2025

Bundle Size

1.01 kB

Minified

569.00 B

Minified + Gzipped

Bundlephobia

Sponsor this package

https://github.com/sponsors/sindresorhus

Maintainers

View All 11 Contributors

Package Meta Information

Latest Version

5.0.2

Package Id

map-obj@5.0.2

Unpacked Size

9.18 kB

Size

3.02 kB

File Count

NPM Version

8.3.2

Node Version

12.22.1

Total Downloads

Cumulative downloads

Total Downloads

6,399,684,678

Dev Dependencies

ava tsd xo

map-obj

Map object keys and values into a new object

Install

1npm install map-obj

Usage

1import mapObject, {mapObjectSkip} from 'map-obj';
2
3const newObject = mapObject({foo: 'bar'}, (key, value) => [value, key]);
4//=> {bar: 'foo'}
5
6const newObject = mapObject({FOO: true, bAr: {bAz: true}}, (key, value) => [key.toLowerCase(), value]);
7//=> {foo: true, bar: {bAz: true}}
8
9const newObject = mapObject({FOO: true, bAr: {bAz: true}}, (key, value) => [key.toLowerCase(), value], {deep: true});
10//=> {foo: true, bar: {baz: true}}
11
12const newObject = mapObject({one: 1, two: 2}, (key, value) => value === 1 ? [key, value] : mapObjectSkip);
13//=> {one: 1}

API

mapObject(source, mapper, options?)

source

Type: object

The source object to copy properties from.

mapper

Type: (sourceKey, sourceValue, source) => [targetKey, targetValue, mapperOptions?] | mapObjectSkip

A mapping function.

mapperOptions

Type: object

shouldRecurse

Type: boolean
Default: true

Whether targetValue should be recursed.

Requires deep: true.

options

Type: object

deep

Type: boolean
Default: false

Recurse nested objects and objects in arrays.

target

Type: object
Default: {}

The target object to map properties on to.

mapObjectSkip

Return this value from a mapper function to exclude the key from the new object.

1import mapObject, {mapObjectSkip} from 'map-obj';
2
3const object = {one: 1, two: 2}
4const mapper = (key, value) => value === 1 ? [key, value] : mapObjectSkip
5const result = mapObject(object, mapper);
6
7console.log(result);
8//=> {one: 1}

filter-obj - Filter object keys and values into a new object

Get professional support for this package with a Tidelift subscription
_{Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies.}

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

4.3

/10

Last Scanned on 2025-06-30

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to map-obj

Other packages similar to map-obj

map-obj

Installations

Developer Guide

Yes

ESM

^12.20.0 || ^14.13.1 || >=16.0.0

12.22.1

8.3.2

Score

Pull Requests

0

29

17

12

Issues

4

22

18

Releases

Languages

Developer

sindresorhus

Download Statistics

GitHub Statistics

Bundle Size

1.01 kB

569.00 B

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

6,399,684,678

Dev Dependencies

map-obj

Install

Usage

API

mapObject(source, mapper, options?)

source

mapper

mapperOptions

shouldRecurse

options

deep

target

mapObjectSkip

Related

10

10

10

10

10

3

0

0

0

0

0

0

0

4.3

/10

Weekly Downloads

Monthly Downloads

Yearly Downloads