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authorLinuxWizard42 <computerwizard@linuxmail.org>2022-10-12 22:54:37 +0300
committerLinuxWizard42 <computerwizard@linuxmail.org>2022-10-12 22:54:37 +0300
commit703e03aba33f234712206769f57717ba7d92d23d (patch)
tree0041f04ccb75bd5379c764e9fe42249fffe75fc3 /node_modules/string-width/index.js
parentab6e257e6e9d9a483d7e86f220d8b209a2cd7753 (diff)
downloadFlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.gz
FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.zst
Added export_allowed file to make repository visible in cgit
Diffstat (limited to 'node_modules/string-width/index.js')
-rw-r--r--node_modules/string-width/index.js37
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/string-width/index.js b/node_modules/string-width/index.js
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+'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;
+};