@fav/text.constant-case

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:

$ 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, and move it in node_modules/@fav/text.constant-case/ directory manually.

Usage

For Node.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:

<script src="fav.text.constant-case.min.js"></script>
<script>
var constantCase = fav.text.constantCase;
constantCase.caps('foo bar baz');  // => 'FOO_BAR_BAZ'
constantCase.caps('__FOO_BAR_BAZ__');  // => 'FOO_BAR_BAZ'
constantCase.caps('fooBarBaz');  // => 'FOO_BAR_BAZ'
</script>

API

constantCase(text) : string

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.

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

Node.js (4〜12)

Platform	11	12
macOS	◯	◯
Windows10	◯	◯
Linux	◯	◯

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

io.js (1〜3)

Platform	1	2	3
macOS	◯	◯	◯
Windows10	◯	◯	◯
Linux	◯	◯	◯

Node.js (〜0.12)

Platform	0.8	0.9	0.10	0.11	0.12
macOS	◯	◯	◯	◯	◯
Windows10	◯	◯	◯	◯	◯
Linux	◯	◯	◯	◯	◯

Web browsers

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

License

This program is free software under MIT License. See the file LICENSE in this distribution for more details.