feat: simplify configuration object

this simplifies how to configure which build formats are enabled

BREAKING CHANGE: it changes how build formats to be generated are enabled

README.md

@@ -76,11 +76,17 @@ It is possible to configure the build process via a config file or via cli optio
 ```javascript
 const { createConfig } = require('@teclone/rollup-all');
 module.exports = createConfig({
+  /**
+   * defines formats to build
+   */
+  formats: ['cjs', 'es'],
+
+  /**
+   * defines default configurations for all build formats
+   */
   defaults: {
     src: './src',
 
-    out: './build',
-
     entryFile: './index',
 
     /**
@@ -118,25 +124,21 @@ module.exports = createConfig({
    * cjs build config
    */
   cjs: {
-    enabled: true,
     out: './build/cjs',
   },
 
   /**
    * es build config
    */
   es: {
-    enabled: true,
     out: './build/es',
   },
 
   /**
    * iife build config, disabled by default
    */
   iife: {
-    enabled: true,
     out: './build/iife',
-    src: './src',
 
     // defines outputs
     outputs: [
@@ -151,10 +153,7 @@ module.exports = createConfig({
    * umd build config, disabled by default
    */
   umd: {
-    enabled: false,
     out: './build/umd',
-    src: './src',
-
     // defines outputs
     outputs: [
       ['development', 'minified'],
@@ -193,11 +192,11 @@ This configuration is achieved using the output option as shown below
 ```typescript
 const { createConfig } = require('@teclone/rollup-all');
 module.exports = createConfig({
+  formats: ['umd'],
   /**
-   * umd build config, disabled by default
+   * umd build config
    */
   umd: {
-    enabled: false,
     out: './build/umd',
     src: './src',
 

src/@types/index.d.ts

@@ -9,8 +9,6 @@ export type Sourcemap = true | false | 'inline';
 export interface FormatConfig {
   moduleName?: string;
 
-  enabled?: boolean;
-
   src?: string;
 
   out?: string;
@@ -79,14 +77,19 @@ export interface FormatConfig {
   minifiedSuffix?: string | false;
 }
 
-export type Config = Partial<{
-  [p in BuildFormat | 'defaults']: FormatConfig;
-}> & {
+export type Config = {
+  /**
+   * formats to build
+   */
+  formats?: Array<BuildFormat>;
+
   /**
    * if true, output logs are not logged
    */
   silent?: boolean;
-};
+} & Partial<{
+  [p in BuildFormat | 'defaults']: FormatConfig;
+}>;
 
 export interface Module {
   // id for indexing this file

src/config.ts

@@ -1,11 +1,10 @@
 import { Config } from './@types';
 
 export const config: Config = {
+  formats: ['cjs', 'es'],
   defaults: {
     src: './src',
 
-    out: './build',
-
     entryFile: './index',
 
     /**
@@ -43,25 +42,21 @@ export const config: Config = {
    * cjs build config
    */
   cjs: {
-    enabled: true,
     out: './build/cjs',
   },
 
   /**
    * es build config
    */
   es: {
-    enabled: true,
     out: './build/es',
   },
 
   /**
    * iife build config, disabled by default
    */
   iife: {
-    enabled: false,
     out: './build/iife',
-    src: './src',
 
     // defines outputs
     outputs: [
@@ -76,7 +71,6 @@ export const config: Config = {
    * umd build config, disabled by default
    */
   umd: {
-    enabled: false,
     out: './build/umd',
     src: './src',
 
@@ -85,6 +79,7 @@ export const config: Config = {
       ['development', 'minified'],
       ['production', 'minified'],
     ],
+
     minifiedSuffix: 'min',
   },
 };

src/modules/Bundler.ts

@@ -394,11 +394,8 @@ class Bundler {
   async process() {
     const config = this.config;
 
-    forEach(formats, async (format) => {
+    forEach(config.formats, async (format) => {
       const formatConfig = config[format];
-      if (!formatConfig.enabled) {
-        return;
-      }
 
       const modules = await this.getModules(
         [],