Version 1

[yaffs-website] / node_modules / uncss / node_modules / supports-color / index.js

diff --git a/node_modules/uncss/node_modules/supports-color/index.js b/node_modules/uncss/node_modules/supports-color/index.js
new file mode 100644 (file)
index 0000000..2571c73
--- /dev/null
+++ b/node_modules/uncss/node_modules/supports-color/index.js
@@ -0,0 +1,84 @@
+'use strict';
+var hasFlag = require('has-flag');
+
+var support = function (level) {
+       if (level === 0) {
+               return false;
+       }
+
+       return {
+               level: level,
+               hasBasic: true,
+               has256: level >= 2,
+               has16m: level >= 3
+       };
+};
+
+var supportLevel = (function () {
+       if (hasFlag('no-color') ||
+               hasFlag('no-colors') ||
+               hasFlag('color=false')) {
+               return 0;
+       }
+
+       if (hasFlag('color=16m') ||
+               hasFlag('color=full') ||
+               hasFlag('color=truecolor')) {
+               return 3;
+       }
+
+       if (hasFlag('color=256')) {
+               return 2;
+       }
+
+       if (hasFlag('color') ||
+               hasFlag('colors') ||
+               hasFlag('color=true') ||
+               hasFlag('color=always')) {
+               return 1;
+       }
+
+       if (process.stdout && !process.stdout.isTTY) {
+               return 0;
+       }
+
+       if (process.platform === 'win32') {
+               return 1;
+       }
+
+       if ('CI' in process.env) {
+               if ('TRAVIS' in process.env || process.env.CI === 'Travis') {
+                       return 1;
+               }
+
+               return 0;
+       }
+
+       if ('TEAMCITY_VERSION' in process.env) {
+               return process.env.TEAMCITY_VERSION.match(/^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/) === null ? 0 : 1;
+       }
+
+       if (/^(screen|xterm)-256(?:color)?/.test(process.env.TERM)) {
+               return 2;
+       }
+
+       if (/^screen|^xterm|^vt100|color|ansi|cygwin|linux/i.test(process.env.TERM)) {
+               return 1;
+       }
+
+       if ('COLORTERM' in process.env) {
+               return 1;
+       }
+
+       if (process.env.TERM === 'dumb') {
+               return 0;
+       }
+
+       return 0;
+})();
+
+if (supportLevel === 0 && 'FORCE_COLOR' in process.env) {
+       supportLevel = 1;
+}
+
+module.exports = process && support(supportLevel);