From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/string-width/index.js | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 node_modules/string-width/index.js (limited to 'node_modules/string-width/index.js') diff --git a/node_modules/string-width/index.js b/node_modules/string-width/index.js new file mode 100644 index 0000000..bbc49d2 --- /dev/null +++ b/node_modules/string-width/index.js @@ -0,0 +1,36 @@ +'use strict'; +const stripAnsi = require('strip-ansi'); +const isFullwidthCodePoint = require('is-fullwidth-code-point'); + +module.exports = str => { + if (typeof str !== 'string' || str.length === 0) { + return 0; + } + + str = stripAnsi(str); + + let width = 0; + + for (let i = 0; i < str.length; i++) { + const code = str.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; +}; -- cgit v1.2.3