diff options
Diffstat (limited to 'node_modules/supports-color/index.js')
-rw-r--r-- | node_modules/supports-color/index.js | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/node_modules/supports-color/index.js b/node_modules/supports-color/index.js deleted file mode 100644 index 6fada39..0000000 --- a/node_modules/supports-color/index.js +++ /dev/null @@ -1,135 +0,0 @@ -'use strict'; -const os = require('os'); -const tty = require('tty'); -const hasFlag = require('has-flag'); - -const {env} = process; - -let forceColor; -if (hasFlag('no-color') || - hasFlag('no-colors') || - hasFlag('color=false') || - hasFlag('color=never')) { - forceColor = 0; -} else if (hasFlag('color') || - hasFlag('colors') || - hasFlag('color=true') || - hasFlag('color=always')) { - forceColor = 1; -} - -if ('FORCE_COLOR' in env) { - if (env.FORCE_COLOR === 'true') { - forceColor = 1; - } else if (env.FORCE_COLOR === 'false') { - forceColor = 0; - } else { - forceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env.FORCE_COLOR, 10), 3); - } -} - -function translateLevel(level) { - if (level === 0) { - return false; - } - - return { - level, - hasBasic: true, - has256: level >= 2, - has16m: level >= 3 - }; -} - -function supportsColor(haveStream, streamIsTTY) { - if (forceColor === 0) { - return 0; - } - - if (hasFlag('color=16m') || - hasFlag('color=full') || - hasFlag('color=truecolor')) { - return 3; - } - - if (hasFlag('color=256')) { - return 2; - } - - if (haveStream && !streamIsTTY && forceColor === undefined) { - return 0; - } - - const min = forceColor || 0; - - if (env.TERM === 'dumb') { - return min; - } - - if (process.platform === 'win32') { - // Windows 10 build 10586 is the first Windows release that supports 256 colors. - // Windows 10 build 14931 is the first release that supports 16m/TrueColor. - const osRelease = os.release().split('.'); - if ( - Number(osRelease[0]) >= 10 && - Number(osRelease[2]) >= 10586 - ) { - return Number(osRelease[2]) >= 14931 ? 3 : 2; - } - - return 1; - } - - if ('CI' in env) { - if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') { - return 1; - } - - return min; - } - - if ('TEAMCITY_VERSION' in env) { - return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0; - } - - if (env.COLORTERM === 'truecolor') { - return 3; - } - - if ('TERM_PROGRAM' in env) { - const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10); - - switch (env.TERM_PROGRAM) { - case 'iTerm.app': - return version >= 3 ? 3 : 2; - case 'Apple_Terminal': - return 2; - // No default - } - } - - if (/-256(color)?$/i.test(env.TERM)) { - return 2; - } - - if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) { - return 1; - } - - if ('COLORTERM' in env) { - return 1; - } - - return min; -} - -function getSupportLevel(stream) { - const level = supportsColor(stream, stream && stream.isTTY); - return translateLevel(level); -} - -module.exports = { - supportsColor: getSupportLevel, - stdout: translateLevel(supportsColor(true, tty.isatty(1))), - stderr: translateLevel(supportsColor(true, tty.isatty(2))) -}; |