Build tensorspace.dev.esm.js for DEV purpose

package.json

@@ -49,6 +49,8 @@
     "mocha": "^4.1.0",
     "puppeteer": "^1.11.0",
     "rollup": "^0.66.0",
+    "rollup-plugin-commonjs": "^9.2.0",
+    "rollup-plugin-node-resolve": "^4.0.0",
     "rollup-plugin-terser": "^4.0.1",
     "terser": "^3.14.1",
     "yalc": "^1.0.0-pre.27"

rollup.default.config.js

@@ -4,6 +4,8 @@
  */
 
 import { terser } from 'rollup-plugin-terser';
+import commonjs from 'rollup-plugin-commonjs';
+import nodeResolve from 'rollup-plugin-node-resolve';
 
 const terserOptions = {
 
@@ -18,8 +20,12 @@ const terserOptions = {
 
 const defaultConfig = ( outputDir, createSourceMap = true ) => {
 
+	let devExternal = [ 'three', '@tweenjs/tween.js', '@tensorflow/tfjs' ];
+	let devInput = 'src/tensorspace.dev.js';
+
 	let external = [ 'three', '@tweenjs/tween.js', '@tensorflow/tfjs', 'three-trackballcontrols', 'stats-js' ];
 	let input = 'src/tensorspace.js';
+
 	let globals = {
 		'three': 'THREE',
 		'@tweenjs/tween.js': 'TWEEN',
@@ -67,13 +73,33 @@ const defaultConfig = ( outputDir, createSourceMap = true ) => {
 				file: `${outputDir}/tensorspace.cjs.js`,
 				name: moduleName
 
-			}, {
+			} ]
+
+		},
+		{
+
+			external: devExternal,
+			input: devInput,
+			plugins: [
+
+				nodeResolve({
+					jsnext: true,
+					main: true,
+					browser: true,
+				}),
+
+				commonjs(),
+
+			],
+			output: {
+
 				// Build for dev
 				format: 'esm',
-				file: `${outputDir}/tensorspace.esm.js`,
+				file: `${outputDir}/tensorspace.dev.esm.js`,
 				name: moduleName
 
-			} ]
+			}
+
 		}
 
 	];