duplichar

Duplicate characters that are substrings of a string

Install

Node

npm install --save duplichar

Web

<script src="https://rawgit.com/dawsonbotsford/duplichar/master/bundle.js"></script>

Alternatively, you can install the npm module and reference the bundle within node_modules

<script src="<path to node_modules>/duplichar/bundle.js"></script>

Usage

// Remove this require line if you're using the web bundle (it's already bundled as "duplichar")
const duplichar = require('duplichar');

duplichar('hackathons', 0, 3);
//=> 'hhhackathons'

duplichar('hackathons', [0, 2], 3);
//=> 'hahahackathons'

API

duplichar(str, index(s), multiplier)

str

Type: string

Description: String to duplicate part of

index

Type: number || array || string

Description: Index(s) of what to duplicate. Operate with slice() style indexing.

Examples:

• 1: duplicate character at index 1
• '1': duplicate character at index 1
• [0, 2]: duplicate substring containing characters at index 0 and 1.
• [-2]: duplicate substring containing characters at index -2 and -1. (read the slice documentation to understand more advanced slices like this)

multiplier

Type: number || string

Description: Amount of times you would like the selected character or substring duplicated.

returns

Type: string

License

MIT © Dawson Botsford