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							- 'use strict';
 
- const stripAnsi = require('strip-ansi');
 
- const isFullwidthCodePoint = require('is-fullwidth-code-point');
 
- const emojiRegex = require('emoji-regex');
 
- const stringWidth = string => {
 
- 	if (typeof string !== 'string' || string.length === 0) {
 
- 		return 0;
 
- 	}
 
- 	string = stripAnsi(string);
 
- 	if (string.length === 0) {
 
- 		return 0;
 
- 	}
 
- 	string = string.replace(emojiRegex(), '  ');
 
- 	let width = 0;
 
- 	for (let i = 0; i < string.length; i++) {
 
- 		const code = string.codePointAt(i);
 
- 		// Ignore control characters
 
- 		if (code <= 0x1F || (code >= 0x7F && code <= 0x9F)) {
 
- 			continue;
 
- 		}
 
- 		// Ignore combining characters
 
- 		if (code >= 0x300 && code <= 0x36F) {
 
- 			continue;
 
- 		}
 
- 		// Surrogates
 
- 		if (code > 0xFFFF) {
 
- 			i++;
 
- 		}
 
- 		width += isFullwidthCodePoint(code) ? 2 : 1;
 
- 	}
 
- 	return width;
 
- };
 
- module.exports = stringWidth;
 
- // TODO: remove this in the next major version
 
- module.exports.default = stringWidth;
 
 
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