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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / wrap-ansi / node_modules / string-width / index.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/wrap-ansi/node_modules/string-width/index.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/wrap-ansi/node_modules/string-width/index.js
new file mode 100644 (file)
index 0000000..b9bec62
--- /dev/null
+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/wrap-ansi/node_modules/string-width/index.js
@@ -0,0 +1,37 @@
+'use strict';
+var stripAnsi = require('strip-ansi');
+var codePointAt = require('code-point-at');
+var isFullwidthCodePoint = require('is-fullwidth-code-point');
+
+// https://github.com/nodejs/io.js/blob/cff7300a578be1b10001f2d967aaedc88aee6402/lib/readline.js#L1345
+module.exports = function (str) {
+       if (typeof str !== 'string' || str.length === 0) {
+               return 0;
+       }
+
+       var width = 0;
+
+       str = stripAnsi(str);
+
+       for (var i = 0; i < str.length; i++) {
+               var code = codePointAt(str, i);
+
+               // ignore control characters
+               if (code <= 0x1f || (code >= 0x7f && code <= 0x9f)) {
+                       continue;
+               }
+
+               // surrogates
+               if (code >= 0x10000) {
+                       i++;
+               }
+
+               if (isFullwidthCodePoint(code)) {
+                       width += 2;
+               } else {
+                       width++;
+               }
+       }
+
+       return width;
+};