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author | Rebecca Turner <me@re-becca.org> | 2018-04-20 18:26:37 -0700 |
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committer | Rebecca Turner <me@re-becca.org> | 2018-05-24 23:24:45 -0700 |
commit | 468ab4519e1b92473acefb22801497a1af6aebae (patch) | |
tree | bdac1d062cd4b094bde3a21147bab5d82c792ece /deps/npm/node_modules/gauge/node_modules/string-width/index.js | |
parent | ac8226115e2192a7a46ba07789fa5136f74223e1 (diff) | |
download | android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.gz android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.bz2 android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.zip |
deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
Diffstat (limited to 'deps/npm/node_modules/gauge/node_modules/string-width/index.js')
-rw-r--r-- | deps/npm/node_modules/gauge/node_modules/string-width/index.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/deps/npm/node_modules/gauge/node_modules/string-width/index.js b/deps/npm/node_modules/gauge/node_modules/string-width/index.js new file mode 100644 index 0000000000..b9bec62440 --- /dev/null +++ b/deps/npm/node_modules/gauge/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; +}; |