diff options
author | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
---|---|---|
committer | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
commit | 703e03aba33f234712206769f57717ba7d92d23d (patch) | |
tree | 0041f04ccb75bd5379c764e9fe42249fffe75fc3 /node_modules/string-width/index.js | |
parent | ab6e257e6e9d9a483d7e86f220d8b209a2cd7753 (diff) | |
download | FlashRunner-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.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/string-width/index.js b/node_modules/string-width/index.js new file mode 100644 index 0000000..b9bec62 --- /dev/null +++ b/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; +}; |