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string-width

Get the visual width of a string - the number of columns required to display it

Some Unicode characters are fullwidtharrow-up-right and use double the normal width. ANSI escape codesarrow-up-right 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('a');
//=> 1

stringWidth('');
//=> 2

stringWidth('\u001B[1m古\u001B[22m');
//=> 2

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