A fast function for calculating the visual width of a string once printed to the terminal.
npm install --save fast-string-widthimport fastStringWidth from 'fast-string-width';
// Calculating the visual width of some strings
fastStringWidth ( 'hello' ); // => 5
fastStringWidth ( '\x1b[31mhello' ); // => 5
fastStringWidth ( '👨👩👧👦' ); // => 2
fastStringWidth ( 'hello👨👩👧👦' ); // => 7
// Calculating the visual width while tweaking the width of emojis
fastStringWidth ( '👶👶🏽', { emojiWidth: 1.5 } ); // => 3MIT © Fabio Spampinato