Description: Replace dependency on is-fullwidth-code-point with wcwidth.js.
Origin: vendor, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842191#10
Author: Paolo Greppi <paolo.greppi@libpf.com>

Index: node-string-width/index.js
===================================================================
--- node-string-width.orig/index.js
+++ node-string-width/index.js
@@ -1,6 +1,6 @@
 'use strict';
 const stripAnsi = require('strip-ansi');
-const isFullwidthCodePoint = require('is-fullwidth-code-point');
+const wcwidth = require('wcwidth.js');
 
 module.exports = str => {
 	if (typeof str !== 'string' || str.length === 0) {
@@ -29,7 +29,7 @@ module.exports = str => {
 			i++;
 		}
 
-		width += isFullwidthCodePoint(code) ? 2 : 1;
+		width += wcwidth(code);
 	}
 
 	return width;