string-width-cli

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.

Useful to be able to measure the actual width of command-line output.

npm install --global string-width-cli

string-width --help

Usage
  $ string-width <text>

Example
  $ string-width a古
  3

• string-width - API for this module