A very fast, clean, and flexible way to use ANSI colors on your terminal. Crayon supports 256 colors, a clean and chainable API, a few other nifty features, and built-in logging.
It works as a drop-in replacement for chalk, but is much faster (~20x) and has additional features. Like chalk, it doesn't monkeypatch the
String prototype the way that the popular colors module does.
var crayon = ;// Log a stringcrayonred;// Style a stringconsole// Use any CSS color namecrayonolivedrabbgOldlace;// Use hex colors;// Use ANSI color codes;// Combine styled and normal stringsconsole;// Compose multiple styles using the chainable APIconsole;// Or just compose styles by passing strings to the crayon function;// Nest stylesconsole;// Pass in multiple argumentscrayonblue;// Specify multiple stylesunderline;// Specify foreground and background colorscrayonbackground"crimson";crayon;crayonunderline;crayonredinverse;// Specify a custom loggercrayonlogger = ;
For color descriptions passed to functions, you can use any of the following:
- The name of any CSS color (case-insensitive)
- Any hex color (case-insensitive, leading '#' is optional)
- Any ANSI color code 0-255 as a Number
- Depending on your settings, there may be a difference between the system red color and the color most closely matching the CSS color red. In the case of color name collisions,
crayon.redwill give you the system color and
crayon.red_will give you the CSS color.
- For functions that aren't specific about whether they take a foreground or a background argument, you can pass
bg<Color>or similar, etc. to change the background color.
- The reason that this module is much faster than chalk is that chalk remakes the style functions each time you call them whereas crayon keeps them around if you reuse them.