vite.config.ts

/// <reference types="vitest" />
import path from 'path';
import { defineConfig } from 'vite';

import packageJson from './package.json';

const getPackageName = () => {
    return packageJson.name;
};

const getPackageNameCamelCase = () => {
    try {
        return getPackageName().replace(/-./g, char => char[1].toUpperCase());
    } catch (err) {
        throw new Error('Name property in package.json is missing.');
    }
};

const fileName = {
    es: `${getPackageName()}.js`,
    iife: `${getPackageName()}.min.js`,
    umd: `${getPackageName()}.umd.js`,
};

const formats = Object.keys(fileName) as Array<keyof typeof fileName>;

export default defineConfig({
    base: './',
    build: {
        outDir: './build/dist',
        lib: {
            entry: path.resolve(__dirname, 'src/index.ts'),
            name: getPackageNameCamelCase(),
            formats,
            fileName: format => fileName[format],
        },
        minify: true,
    },
    test: {
        watch: false,
        includeSource: ['src/**/*.ts'],
    },
    define: {
        'import.meta.vitest': 'undefined',
    },
    resolve: {
        alias: [
            { find: '@', replacement: path.resolve(__dirname, 'src') },
            { find: '@@', replacement: path.resolve(__dirname) },
        ],
    },
});