[@fav/text.constant-case][repo-url] [![NPM][npm-img]][npm-url] [![MIT License][mit-img]][mit-url] [![Build Status][travis-img]][travis-url] [![Build Status][appveyor-img]][appveyor-url] [![Coverage status][coverage-img]][coverage-url]

Converts a string into constant case.

> "fav" is an abbreviation of "favorite" and also the acronym of "for all versions".
> This package is intended to support all Node.js versions and many browsers as possible.
> At least, this package supports Node.js >= v0.10 and major Web browsers: Chrome, Firefox, IE11, Edge, Vivaldi and Safari.

Install

To install from npm:

``sh
$ npm install --save @fav/text.constant-case
`

NOTE: npm < 2.7.0 does not support scoped package, but even old version Node.js supports it. So when you use such older npm, you should download this package from [github.com][repo-url], and move it in node_modules/@fav/text.constant-case/ directory manually.

Usage

For Node.js:

`js
var constantCase = require('@fav/text.constant-case');
constantCase.caps('foo bar baz'); // => 'FOO_BAR_BAZ'
constantCase.caps('__FOO_BAR_BAZ__'); // => 'FOO_BAR_BAZ'
constantCase.caps('fooBarBaz'); // => 'FOO_BAR_BAZ'
`

For Web browsers:

`html


`

API

$3

Converts a string into constant case.

This function trys to split text into words with non-alphanumeric characters first. If text does not contains non-alphanumeric character, this function trys to split text into words before capital letters.

After splitting into words, this function joins them and creates a constant case string.

If text is a string which is composed of either lower case characters and numerics only (e.g. abc123), or upper case characters and numerics only (e.g. ABC123), this function regards text as one word. (At a result, this function returns a string converted into upper case, e.g. ABC123).

NOTE: This function doesn't check data types of the arguments, and assumes that they are given as per the specific data types.

#### Parameters:

| Parameter | Type | Description |
|:----------|:------:|:-------------------------------------|
| text | string | A string to be converted. |

#### Returns:

| Type | Description |
|:------:|:---------------------------------------|
| string | A string converted into constant case. |


#### constantCase.split(text) : Array

Splits a string into alphanumeric words.

This function trys to split text into words with non-alphanumeric characters first. If text does not contains non-alphanumeric character, this function trys to split text into words before capital letters.

If text is a string which is composed of either lower case characters and numerics only (e.g. abc123), or upper case characters and numerics only (e.g. ABC123`), this function regards text as one word.

NOTE: This function doesn't check data types of the arguments, and assumes that they are given as per the specific data types.

##### Parameters:

| Parameter | Type | Description |
|:----------|:------:|:-------------------------------------|
| text | string | A string to be splitted. |

##### Returns:

| Type | Description |
|:-----:|:----------------------------|
| Array | An array of splitted words. |

#### constantCase.join(words) : string

Joins alphanumeric words and creates a constant case string.

NOTE: This function doesn't check data types of the arguments, and assumes that they are given as per the specific data types.

##### Parameters:

| Parameter | Type | Description |
|:----------|:------:|:------------------------------------------------|
| words | Array | An array of an alphanumeric words to be joined. |

##### Returns:

| Type | Description |
|:------:|:------------------------|
| string | A constant case string. |

Checked

$3

| Platform | 11 | 12 |
|:---------:|:------:|:------:|
| macOS |◯|◯|
| Windows10 |◯|◯|
| Linux |◯|◯|

| Platform | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|:---------:|:------:|:------:|:------:|:------:|:------:|:------:|:------:|
| macOS |◯|◯|◯|◯|◯|◯|◯|
| Windows10 |◯|◯|◯|◯|◯|◯|◯|
| Linux |◯|◯|◯|◯|◯|◯|◯|

$3

| Platform | 1 | 2 | 3 |
|:---------:|:------:|:------:|:------:|
| macOS |◯|◯|◯|
| Windows10 |◯|◯|◯|
| Linux |◯|◯|◯|

$3

| Platform | 0.8 | 0.9 | 0.10 | 0.11 | 0.12 |
|:---------:|:------:|:------:|:------:|:------:|:------:|
| macOS |◯|◯|◯|◯|◯|
| Windows10 |◯|◯|◯|◯|◯|
| Linux |◯|◯|◯|◯|◯|

$3

| Platform | Chrome | Firefox | Vivaldi | Safari | Edge | IE11 |
|:---------:|:------:|:-------:|:-------:|:------:|:------:|:------:|
| macOS |◯|◯ |◯ |◯| -- | -- |
| Windows10 |◯|◯ |◯ | -- |◯|◯|
| Linux |◯|◯ |◯ | -- | -- | -- |

License

Copyright (C) 2018-2019 Takayuki Sato

This program is free software under [MIT][mit-url] License.
See the file LICENSE in this distribution for more details.

[repo-url]: https://github.com/sttk/fav-text.constant-case/
[npm-img]: https://img.shields.io/badge/npm-v1.0.3-blue.svg
[npm-url]: https://www.npmjs.com/package/@fav/text.constant-case
[mit-img]: https://img.shields.io/badge/license-MIT-green.svg
[mit-url]: https://opensource.org/licenses/MIT
[travis-img]: https://travis-ci.org/sttk/fav-text.constant-case.svg?branch=master
[travis-url]: https://travis-ci.org/sttk/fav-text.constant-case
[appveyor-img]: https://ci.appveyor.com/api/projects/status/github/sttk/fav-text.constant-case?branch=master&svg=true
[appveyor-url]: https://ci.appveyor.com/project/sttk/fav-text-constant-case
[coverage-img]: https://coveralls.io/repos/github/sttk/fav-text.constant-case/badge.svg?branch=master
[coverage-url]: https://coveralls.io/github/sttk/fav-text.constant-case?branch=master