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: `${getPackageName()}.esm.js`,
    cjs: `${getPackageName()}.cjs`,
    iife: `${getPackageName()}.iife.js`,
};

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

export default defineConfig({
    base: "./",
    build: {
        outDir: "./dist",
        lib: {
            entry: path.resolve(__dirname, "src/index.ts"),
            name: getPackageNameCamelCase(),
            formats,
            fileName: format => fileName[format],
        },
        minify: 'terser',
        terserOptions: {
            keep_classnames: true,
            keep_fnames: true,
        }
    },
    test: {
        globals: true,
        environment: "jsdom",
    },
    resolve: {
        alias: [
            { find: "@", replacement: path.resolve(__dirname, "src") },
            { find: "@@", replacement: path.resolve(__dirname) },
        ],
    },
});