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    map-obj
    TypeScript icon, indicating that this package has built-in type declarations

    4.2.1 • Public • Published

    map-obj

    Map object keys and values into a new object

    Install

    $ npm install map-obj
    

    Usage

    const mapObject = require('map-obj');
    
    const newObject = mapObject({foo: 'bar'}, (key, value) => [value, key]);
    //=> {bar: 'foo'}
    
    const newObject = mapObject({FOO: true, bAr: {bAz: true}}, (key, value) => [key.toLowerCase(), value]);
    //=> {foo: true, bar: {bAz: true}}
    
    const newObject = mapObject({FOO: true, bAr: {bAz: true}}, (key, value) => [key.toLowerCase(), value], {deep: true});
    //=> {foo: true, bar: {baz: true}}

    API

    mapObject(source, mapper, options?)

    source

    Type: object

    Source object to copy properties from.

    mapper

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

    Mapping function.

    mapperOptions
    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: {}

    Target object to map properties on to.

    Related

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

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    Install

    npm i map-obj

    DownloadsWeekly Downloads

    16,377,671

    Version

    4.2.1

    License

    MIT

    Unpacked Size

    8.02 kB

    Total Files

    5

    Last publish

    Collaborators

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