HCK-9614: adapt FE to work in the browser (#16)

* HCK-9614: adapt FE to work in the browser

* HCK-9614: update esbuild config

* HCK-9614: small fixes

* HCK-9614: revert package.lock

* Update package-lock.json

api/fe.js

@@ -0,0 +1,5 @@
+const { generateContainerScript } = require('../forward_engineering/generateContainerScript');
+
+module.exports = {
+	generateContainerScript,
+};

esbuild.package.js

@@ -2,6 +2,7 @@ const fs = require('fs');
 const path = require('path');
 const esbuild = require('esbuild');
 const { clean } = require('esbuild-plugin-clean');
+const { copy } = require('esbuild-plugin-copy');
 const { copyFolderFiles, addReleaseFlag } = require('@hackolade/hck-esbuild-plugins-pack');
 const { EXCLUDED_EXTENSIONS, EXCLUDED_FILES, DEFAULT_RELEASE_FOLDER_PATH } = require('./buildConstants');
 
@@ -11,6 +12,7 @@ const RELEASE_FOLDER_PATH = path.join(DEFAULT_RELEASE_FOLDER_PATH, `${packageDat
 esbuild
 	.build({
 		entryPoints: [
+			path.resolve(__dirname, 'api', 'fe.js'),
 			path.resolve(__dirname, 'forward_engineering', 'api.js'),
 			path.resolve(__dirname, 'reverse_engineering', 'api.js'),
 		],
@@ -25,6 +27,12 @@ esbuild
 			clean({
 				patterns: [DEFAULT_RELEASE_FOLDER_PATH],
 			}),
+			copy({
+				assets: {
+					from: [path.join('node_modules', 'lodash', '**', '*')],
+					to: [path.join('node_modules', 'lodash')],
+				},
+			}),
 			copyFolderFiles({
 				fromPath: __dirname,
 				targetFolderPath: RELEASE_FOLDER_PATH,
@@ -33,6 +41,6 @@ esbuild
 			}),
 			addReleaseFlag(path.resolve(RELEASE_FOLDER_PATH, 'package.json')),
 		],
-		external: ['electron'],
+		external: ['lodash', 'electron'],
 	})
 	.catch(() => process.exit(1));

forward_engineering/api.js

@@ -1,36 +1,9 @@
-const _ = require('lodash');
-const { generateVertices, generateEdges } = require('./gremlinHelper');
 const reverseEngineeringApi = require('../reverse_engineering/api');
 const applyToInstanceHelper = require('./applyToInstanceHelper');
+const { generateContainerScript } = require('./generateContainerScript');
 
 module.exports = {
-	generateContainerScript(data, logger, cb) {
-		let { collections, relationships, jsonData } = data;
-		logger.clear();
-		try {
-			let resultScript = '';
-
-			collections = collections.map(JSON.parse);
-			relationships = relationships.map(JSON.parse);
-
-			const verticesScript = generateVertices(collections, jsonData);
-			const edgesScript = generateEdges(collections, relationships, jsonData);
-
-			if (verticesScript) {
-				resultScript += verticesScript;
-			}
-
-			if (edgesScript) {
-				resultScript += '\n\n' + edgesScript;
-			}
-
-			cb(null, resultScript);
-		} catch (e) {
-			logger.log('error', { message: e.message, stack: e.stack }, 'Forward-Engineering Error');
-
-			cb({ message: e.message, stack: e.stack });
-		}
-	},
+	generateContainerScript,
 
 	async applyToInstance(data, logger, cb, app) {
 		try {

forward_engineering/generateContainerScript.js

@@ -0,0 +1,34 @@
+const { generateVertices, generateEdges } = require('./gremlinHelper');
+
+function generateContainerScript(data, logger, cb) {
+	const { jsonData } = data;
+	let { collections, relationships } = data;
+	logger.clear();
+	try {
+		let resultScript = '';
+
+		collections = collections.map(JSON.parse);
+		relationships = relationships.map(JSON.parse);
+
+		const verticesScript = generateVertices(collections, jsonData);
+		const edgesScript = generateEdges(collections, relationships, jsonData);
+
+		if (verticesScript) {
+			resultScript += verticesScript;
+		}
+
+		if (edgesScript) {
+			resultScript += '\n\n' + edgesScript;
+		}
+
+		cb(null, resultScript);
+	} catch (e) {
+		logger.log('error', { message: e.message, stack: e.stack }, 'Forward-Engineering Error');
+
+		cb({ message: e.message, stack: e.stack });
+	}
+}
+
+module.exports = {
+	generateContainerScript,
+};