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readme.md

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

import stringWidth from 'string-width';

stringWidth('a');
//=> 1

stringWidth('古');
//=> 2

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

API

stringWidth(string, options?)

string

Type: string

The string to be counted.

options

Type: object

ambiguousIsNarrow

Type: boolean
Default: false

Count ambiguous width characters as having narrow width (count of 1) instead of wide width (count of 2).

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

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