Revert "Remove rollup.unit.config.js file and implement conditional...

Revert "Remove rollup.unit.config.js file and implement conditional environment in rollup.config.js (Available env are "production" and "test" for the moment)"

This reverts commit e2b02763.

rollup.config.js

@@ -24,66 +24,21 @@ function glsl() {
 }
 
 export default {
-
-	entry: (function () {
-
-		var env = process.env.BUILD;
-
-		if( env === 'production' ) {
-
-			return 'src/Three.js';
-
-		} else if( env === 'test' ){
-
-			return 'test/Three.Unit.js';
-
-		} else {
-
-			console.error("Invalid BUILD environment variable: " + env);
-			return null;
-
-		}
-
-	})(),
+	entry: 'src/Three.js',
 	indent: '\t',
 	plugins: [
 		glsl()
 	],
 	// sourceMap: true,
-	targets: (function () {
-
-		var env = process.env.BUILD;
-
-		if( env === 'production' ) {
-
-			return [
-				{
-					format: 'umd',
-					moduleName: 'THREE',
-					dest: 'build/three.js'
-				},
-				{
-					format: 'es',
-					dest: 'build/three.module.js'
-				}
-			];
-
-		} else if( env === 'test' ){
-
-			return [
-				{
-					format: 'umd',
-					moduleName: 'THREE',
-					dest: 'test/unit/three.unit.js'
-				}
-			];
-
-		} else {
-
-			console.error("Invalid BUILD environment variable: " + env);
-			return null;
-
+	targets: [
+		{
+			format: 'umd',
+			moduleName: 'THREE',
+			dest: 'build/three.js'
+		},
+		{
+			format: 'es',
+			dest: 'build/three.module.js'
 		}
-
-	})()
+	]
 };

rollup.unit.config.js

+function glsl() {
+
+	return {
+
+		transform( code, id ) {
+
+			if ( /\.glsl$/.test( id ) === false ) return;
+
+			var transformedCode = 'export default ' + JSON.stringify(
+				code
+					.replace( /[ \t]*\/\/.*\n/g, '' )
+					.replace( /[ \t]*\/\*[\s\S]*?\*\//g, '' )
+					.replace( /\n{2,}/g, '\n' )
+			) + ';';
+			return {
+				code: transformedCode,
+				map: { mappings: '' }
+			};
+
+		}
+
+	};
+
+}
+
+export default {
+	entry: 'test/Three.Unit.js',
+	indent: '\t',
+	plugins: [
+		glsl()
+	],
+	// sourceMap: true,
+	targets: [
+		{
+			format: 'umd',
+			moduleName: 'THREE',
+			dest: 'test/unit/three.unit.js'
+		}
+	]
+};