feat: added support for xterm colors

Author: nombrekeff

README.md

@@ -62,7 +62,7 @@ You can also only show the label:
 ```js
 const { badge } = require('../index');
 
-const onlyLabel = badge('❤️ donate', '', { labelColor: 'magenta' });
+const onlyLabel = badge('❤️ donate', '', { labelColor: 169 });
 
 console.log(onlyLabel);
 ```
@@ -82,10 +82,10 @@ export function badge(
   label?: string,
   message?: string,
   options?: {
-    labelBg?: string;
-    messageBg?: string;
-    labelColor?: string;
-    messageColor?: string;
+    labelBg?: string | number;
+    messageBg?: string | number;
+    labelColor?: string | number;
+    messageColor?: string | number;
     labelStyle?: any;
     messageStyle?: any;
     labelWidth?: any;
@@ -136,6 +136,10 @@ export function badge(
 - `cyanBright`
 - `whiteBright`
 
+There are more colors available using xterm colors, see [cli-color xterm colors](https://github.com/medikoo/cli-color#xterm-colors-256-colors-table) for the complete list of available colors.
+
+> **Not supported on Windows and some terminals.** However if used in not supported environment, the closest color from basic (16 colors) palette is chosen.
+
 ### Links
 
 You can output badges with a link attached to it, that can be clicked in some terminals.

example/xterm-colors.js

@@ -0,0 +1,5 @@
+const { badge } = require('../index');
+
+console.log(
+    badge('test', 'xterm', { messageColor: 26, labelBg: 164 })
+);

index.js

@@ -11,7 +11,26 @@ const padd = (s = '', width) => {
     return paddStr + s + paddStr;
 };
 const cap = (s) => s.charAt(0).toUpperCase() + s.substring(1, s.length);
-const getBg = (clc, color) => clc[`bg${cap(color)}`] || clc.bgBlue;
+const getBg = (clc, color) => {
+    const noColor = color == undefined || color === null;
+    const isString = typeof color === 'string';
+    const isNumber = typeof color === 'number';
+
+    if (noColor) return clc.bgBlue;
+    if (isString) return clc[`bg${cap(color)}`];
+    if (isNumber) return clc.bgXterm(color);
+};
+
+const getLabel = (clc, color) => {
+    const noColor = color == undefined || color === null;
+    const isString = typeof color === 'string';
+    const isNumber = typeof color === 'number';
+
+    if (noColor) return clc.blue;
+    if (isString) return clc[color];
+    if (isNumber) return clc.xterm(color);
+};
+
 
 const formatters = {
     bold: (clc, s) => clc.bold(s),
@@ -35,8 +54,8 @@ module.exports = {
         messageWidth = null,
         link = null,
     } = {}) {
-        const lblColorer = getBg(clc, labelBg)[labelColor];
-        const msgColorer = getBg(clc, messageBg)[messageColor];
+        const lblColorer = getLabel(getBg(clc, labelBg), labelColor);
+        const msgColorer = getLabel(getBg(clc, messageBg), messageColor);
 
         const lblFormatted = format(lblColorer, padd(label, labelWidth), labelStyle)
         const msgFormatted = format(msgColorer, padd(message, messageWidth), messageStyle)