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Pass an array of object paths (e.g. `a.b.c`) and get the first non-undefined value if the property exists, or null if it does not.
Pass an array of object paths (e.g.
a.b.c
) and get the first non-undefined value if the property exists, or null if it does not.
Install with npm:
$ npm i get-first
npm test
var getFirst = require('get-first');
getFirst({a: 'b'}, 'a');
//=> 'b'
getFirst({a: 'b'}, ['a']);
//=> 'b'
getFirst({a: {b: 'c'}}, 'a.b');
//=> 'c'
getFirst({a: {b: 'c'}}, ['a.b']);
//=> 'c'
getFirst({a: {b: 'c'}, x: {b: 'd'}}, ['a.b', 'x.b']);
//=> 'c'
getFirst({a: {b: 'c'}, x: {b: 'd'}}, ['x.b', 'a.b']);
//=> 'd'
getFirst({a: {b: {c: 'd'}}}, ['a.b', 'x.y.z']);
//=> {c: 'd'}
getFirst({a: {b: {c: 'd'}, e: 'f'}}, ['a.c', 'a.e']);
//=> 'f'
Install dev dependencies:
$ npm i -d && npm test
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Jon Schlinkert
Copyright © 2016 Jon Schlinkert Released under the MIT license.
This file was generated by verb on January 18, 2016.
FAQs
Pass an array of object paths (e.g. `a.b.c`) and get the first non-undefined value if the property exists, or null if it does not.
The npm package get-first receives a total of 153 weekly downloads. As such, get-first popularity was classified as not popular.
We found that get-first demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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