colorgen/colorgen.js

#!/usr/bin/env node
import { program } from 'commander';
import Colorgen from './src/Colorgen.js';

program.command('gen <color>')
    .description('Generates multiple colors from a given color')
    .option('-a, --amount <n>', 'Amount of darken', 12.5)
    .option('-c, --complementary', 'Generate complementary colors instead of analogous')
    .action((color, options) => {
        const amount = options.amount;
        const colorgen = new Colorgen(color);
        colorgen.amount = amount;

        if (options.complementary) {
            complementary(colorgen.complementary())
        } else {
            analogous(colorgen.analogous());
        }
    });

program.parse(process.argv);

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 _logColors(color, type = 'primary') {
    _logColor(color.normal, type);
    _logColor(color.dark, `dark ${type}`);
    _logColor(color.darker, `dark ${type}`);
}

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();
}

function _logSecondary(color) {
    _logColors(color, 'secondary');
    _separator();
}

function _separator() {
    console.log('------------------------------');
}