3e0a7f808c
Added precondition checks to validate input files and paths to return more informative error messages as per #2
string-width 
Get the visual width of a string - the number of columns required to display it
Some Unicode characters are fullwidth and use double the normal width. ANSI escape codes are stripped and doesn't affect the width.
Useful to be able to measure the actual width of command-line output.
Install
$ npm install string-width
Usage
const stringWidth = require('string-width');
stringWidth('古');
//=> 2
stringWidth('\u001b[1m古\u001b[22m');
//=> 2
stringWidth('a');
//=> 1
Related
- string-width-cli - CLI for this module
- string-length - Get the real length of a string
- widest-line - Get the visual width of the widest line in a string
License
MIT © Sindre Sorhus