refactor(rollupconfig): remove umd support, add banner, and remove browserified modules

Remove the UMD support in favor of cjs for node env, esm for browser es6 modules, and iife as
standalone browser version. Add _computeBanner private method to add package version under dev env.

BREAKING CHANGE: Remove UMD support

Author: Itee

configs/rollup.conf.js

@@ -6,22 +6,51 @@
  * @description The file manage the rollup configuration for build the library using differents arguments. It allow to build with two type of environment (dev and prod), and differents output format.
  * Use npm run help to display all available build options.
  *
- * @requires {@link module: [rollup-plugin-node-builtins]{@link https://github.com/calvinmetcalf/rollup-plugin-node-builtins}}
  * @requires {@link module: [rollup-plugin-commonjs]{@link https://github.com/rollup/rollup-plugin-commonjs}}
- * @requires {@link module: [rollup-plugin-json]{@link https://github.com/rollup/rollup-plugin-json}}
  * @requires {@link module: [path]{@link https://nodejs.org/api/path.html}}
  * @requires {@link module: [rollup-plugin-re]{@link https://github.com/jetiny/rollup-plugin-re}}
  * @requires {@link module: [rollup-plugin-node-resolve]{@link https://github.com/rollup/rollup-plugin-node-resolve}}
  * @requires {@link module: [rollup-plugin-terser]{@link https://github.com/TrySound/rollup-plugin-terser}}
  */
 
-const builtins = require( 'rollup-plugin-node-builtins' )
-const commonjs = require( 'rollup-plugin-commonjs' )
-const json     = require( 'rollup-plugin-json' )
-const path     = require( 'path' )
-const replace  = require( 'rollup-plugin-re' )
-const resolve  = require( 'rollup-plugin-node-resolve' )
-const terser   = require( 'rollup-plugin-terser' ).terser
+const packageInfos = require( '../package' )
+const commonjs     = require( 'rollup-plugin-commonjs' )
+const path         = require( 'path' )
+const replace      = require( 'rollup-plugin-re' )
+const resolve      = require( 'rollup-plugin-node-resolve' )
+const terser       = require( 'rollup-plugin-terser' ).terser
+
+function _computeBanner ( name, format ) {
+
+    const packageName = name || packageInfos.name
+    let prettyFormat  = ''
+
+    switch ( format ) {
+
+        case 'cjs':
+            prettyFormat = 'CommonJs'
+            break
+
+        case 'esm':
+            prettyFormat = 'EsModule'
+            break
+
+        case 'iife':
+            prettyFormat = 'Standalone'
+            break
+
+        case 'umd':
+            prettyFormat = 'Universal'
+            break
+
+        default:
+            throw new RangeError( `Invalid switch parameter: ${format}` )
+
+    }
+
+    return `console.log('${packageName} v${packageInfos.version} - ${prettyFormat}')`
+
+}
 
 /**
  * Will create an appropriate configuration object for rollup, related to the given arguments.
@@ -49,20 +78,21 @@ function CreateRollupConfigs ( options ) {
         for ( let envIndex = 0, numberOfEnvs = envs.length ; envIndex < numberOfEnvs ; envIndex++ ) {
 
             const env        = envs[ envIndex ]
-            const prod       = ( env.includes( 'prod' ) )
+            const isProd     = ( env.includes( 'prod' ) )
             const format     = formats[ formatIndex ]
-            const outputPath = ( prod ) ? path.join( output, `${fileName}.${format}.min.js` ) : path.join( output, `${fileName}.${format}.js` )
+            const outputPath = ( isProd ) ? path.join( output, `${fileName}.${format}.min.js` ) : path.join( output, `${fileName}.${format}.js` )
 
             configs.push( {
-                input:    input,
-                external: ( [ 'esm', 'cjs' ].includes( format ) ) ? [
+                input:     input,
+                external:  ( format === 'cjs' ) ? [
                     'fs',
                     'path'
                 ] : [],
-                plugins: [
+                plugins:   [
                     replace( {
                         defines: {
-                            IS_REMOVE: prod
+                            IS_REMOVE_ON_BUILD:  false,
+                            IS_BACKEND_SPECIFIC: ( format === 'cjs' )
                         }
                     } ),
                     commonjs( {
@@ -71,13 +101,9 @@ function CreateRollupConfigs ( options ) {
                     resolve( {
                         preferBuiltins: true
                     } ),
-                    json( {} ),
-                    ( [ 'iife', 'umd' ].includes( format ) ) && builtins( {
-                        fs: true
-                    } ),
-                    prod && terser()
+                    isProd && terser()
                 ],
-                onwarn: ( { loc, frame, message } ) => {
+                onwarn:    ( { loc, frame, message } ) => {
 
                     // Ignore some errors
                     if ( message.includes( 'Circular dependency' ) ) { return }
@@ -100,7 +126,7 @@ function CreateRollupConfigs ( options ) {
 
                     // advanced options
                     paths:     {},
-                    banner:    '',
+                    banner:    ( isProd ) ? '' : _computeBanner( name, format ),
                     footer:    '',
                     intro:     '',
                     outro:     '',

sources/itee-utils.js

@@ -7,7 +7,10 @@
  */
 
 export * from './cores/_cores'
-export * from './file-system/_file-system'
 export * from './geomathics/_geomathics'
 export * from './physics/_physics'
 export * from './testings/_testings'
+
+// #if IS_BACKEND_SPECIFIC
+export * from './file-system/_file-system'
+// #endif