[RFC]: Add @stdlib/string/first

[kgryte]

Description

This RFC proposes adding support for returning the first (visual) character(s) of a string.

Signature:

first( str[, n] )

where n specifies the number of visual characters to return. Default: 1.

E.g.,

first( 'foo bar' );
// returns 'f'

first( '🐶🐮🐷🐰🐸', 2 );
// returns '🐶🐮'

Package: @stdlib/string/first
Alias: first

Related Issues

None.

Questions

No.

Other

See @stdlib/string/remove-first for a similar package.

Checklist

• I have read and understood the Code of Conduct.
• Searched for existing issues and pull requests.
• The issue name begins with RFC:.