%PDF- %PDF-
Direktori : /proc/self/root/var/www/html/node_modules/supports-color/ |
Current File : //proc/self/root/var/www/html/node_modules/supports-color/index.js |
'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))) };