Moving logic to a file.

colorgen.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 import { program } from 'commander';
-import tinycolor from 'tinycolor2';
+import Colorgen from './src/Colorgen.js';
 
 program.command('gen <color>')
     .description('Generates multiple colors from a given color')
@@ -8,62 +8,54 @@ program.command('gen <color>')
     .option('-c, --complementary', 'Generate complementary colors instead of analogous')
     .action((color, options) => {
         const amount = options.amount;
-        const primary = tinycolor(color);
+        const colorgen = new Colorgen(color);
+        colorgen.amount = amount;
+
         if (options.complementary) {
-            complementary(primary, amount)
+            complementary(colorgen.complementary())
         } else {
-            analogous(primary, amount);
+            analogous(colorgen.analogous());
         }
     });
 
 program.parse(process.argv);
 
-function logColor(color, name) {
+function _logColor(color, name) {
     const { r, g, b } = color.toRgb()
     console.log(`\x1b[48;2;${r};${g};${b}m ${color.toHexString()} \x1b[0m [${name.toUpperCase()}]`);
 }
 
-function analogous(primary, amount) {
-    _primary(primary, amount);
-    _separator();
-
-    const analogous = primary.analogous(12, 90);
-    _secondary(analogous[2], amount);
-    _separator();
-
-    _secondary(analogous[5], amount);
-    _separator();
-
-    _secondary(analogous[8], amount);
-    _separator();
-
-    _secondary(analogous[11], amount);
+function _logColors(color, type = 'primary') {
+    _logColor(color.normal, type);
+    _logColor(color.dark, `dark ${type}`);
+    _logColor(color.darker, `dark ${type}`);
 }
 
-function complementary(primary, amount) {
-    _primary(primary, amount);
+function analogous(colors) {
+    _logPrimary(colors.primary);
 
+    _logSecondary(colors.secondaries[0]);
+    _logSecondary(colors.secondaries[1]);
+    _logSecondary(colors.secondaries[2]);
+    _logSecondary(colors.secondaries[3]);
+}
+
+function complementary(colors) {
+    _logPrimary(colors.primary);
+
+    _logSecondary(colors.secondaries[0]);
+}
+
+function _logPrimary(color) {
+    _logColors(color);
     _separator();
-    const secondary = primary.complement();
-    _secondary(secondary, amount);
 }
 
-function _primary(color, amount) {
-    logColor(color, 'primary');
-    const darkPrimary = color.clone().darken(amount);
-    logColor(darkPrimary, 'dark primary');
-    const darkerPrimary = darkPrimary.clone().darken(amount);
-    logColor(darkerPrimary, 'darker primary');
+function _logSecondary(color) {
+    _logColors(color, 'secondary');
+    _separator();
 }
 
-function _secondary(color, amount) {
-    logColor(color, 'secondary');
-    const darkSecondary = color.clone().darken(amount);
-    logColor(darkSecondary, 'dark secondary');
-    const darkerSecondary = darkSecondary.clone().darken(amount);
-    logColor(darkerSecondary, 'darker secondary');
-}
-
-function _separator() { 
+function _separator() {
     console.log('------------------------------');
 }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@midefos/colorgen",
   "type": "module",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "Color generator",
   "bin": {
     "colorgen": "./colorgen.js"

src/Colorgen.js

@@ -0,0 +1,43 @@
+import tinycolor from "tinycolor2";
+
+export default class Colorgen {
+
+    constructor(primary) {
+        this.primary = tinycolor(primary);
+        this.amount = 12.5;
+    }
+
+    analogous() {
+        const primary = this._generateColor(this.primary);
+        const secondaries = [];
+
+        const analogous = this.primary.analogous(12, 90);
+        secondaries.push(this._generateColor(analogous[2]));
+        secondaries.push(this._generateColor(analogous[5]));
+        secondaries.push(this._generateColor(analogous[8]));
+        secondaries.push(this._generateColor(analogous[11]));
+
+        return { primary, secondaries };
+    }
+
+    complementary() {
+        const primary = this._generateColor(this.primary);
+        const secondaries = [];
+
+        const complementary = this.primary.complement();
+        secondaries.push(this._generateColor(complementary));
+
+        return { primary, secondaries };
+    }
+
+    _generateDark(color) {
+        return color.clone().darken(this.amount);
+    }
+
+    _generateColor(normal) {
+        const dark = this._generateDark(normal);
+        const darker = this._generateDark(dark);
+        return { normal, dark, darker };
+    }
+
+}