arraymap

arraymap

Curried function deriving new array values by applying provided function to each item/index of provided array. Fast and compatible with modern or old browsers.

npm install arraymap --save

You can also use Duo, Bower or download the files manually.

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Overview

Optionally, a dot-notation formatted string may be provided for item property access.

API Example

Pointful

var map = require('arraymap')
var characters = ['a', 'b', 'c']
var codepoints = (letter) => punycode.ucs2.decode(letter)[0]

map(codepoints, characters)
//=> [ 97, 98, 99 ]

Pointful (dot-notation object access)

var map = require('arraymap')
var collection = [ { letter: 'a' }, { letter: 'b' }, { letter: 'c' }  ]

map('letter', collection)
//=> ['a', 'b', 'c']

Pointfree Style

var map = require('arraymap')
var collection = [ { letter: 'a' }, { letter: 'b' }, { letter: 'c' }  ]
var promise = Promise.resolve(collection)

promise.then(map('letter'))
//=> ['a', 'b', 'c']

API

map(fn, list)

arguments

• fn (Function|String).
• list (array).

returns

• (array) Array resulting from applying provided function fn to each item of list.

Alternatives

• Array.prototype.map(): difficult to compose, not curried.
• array-map: not curried.
• curried-map: does not support dot-notation string accessor.

Contributing

SEE: contributing.md

Licenses

Changelog

0.1.2 - 2016-01-10

Added

• Clean up unit tests.