Fix: Detecting version relays on the node_modules from process.cwd() (#27)

* Build: Editorconfig sync [skip-ci]

* Build: Editorconfig sync [skip-ci]

* Fix: Detecting version relays on the node_modules from process.cwd() call

* Fix: Npm audit fix

Author: morriq

lib/index.js

@@ -1,43 +1,53 @@
-const { join } = require('path');
 const { RawSource } = require('webpack-sources');
+const npmCheck = require('npm-check');
+
 
 class MicroservicesWebpackPlugin {
 	constructor(config = {}) {
 		this.modules = config.modules || [];
 		this.url = config.url || 'https://unpkg.com/:name@:version/:path';
 		this.paramsRegex = /:([a-z]+)/gi;
-		this.node_modules = join(process.cwd(), 'node_modules');
-
-		this.modules = this.modules
-			.map(({ name, ...other }) => ({
-				name,
-				...other,
-				version: require(join(this.node_modules, name, 'package.json')).version
-			}))
-			.map(({ name, version, path }) => {
-				if (!path.includes('.js')) {
-					throw new Error(`Unsupported extension in ${path}`);
-				}
+	}
 
-				const cdn = this.url.replace(this.paramsRegex, (_, type) => ({
-					name,
-					version,
-					path
-				})[type]);
+  async createUrlsToModules(modules) {
+    const currentState = await npmCheck();
 
-				return {
-					name,
-					cdn
-				}
-			})
-	}
+    const packages = currentState
+      .get('packages')
+      .reduce((list, { moduleName, ...others }) => list.set(moduleName, others), new Map());
+
+    return modules
+      .map(({ name, ...other }) => ({
+        name,
+        ...other,
+        version: packages.get(name).installed
+      }))
+      .map(({ name, version, path }) => {
+        if (!path.includes('.js')) {
+          throw new Error(`Unsupported extension in ${path}`);
+        }
+
+        const cdn = this.url.replace(this.paramsRegex, (_, type) => ({
+          name,
+          version,
+          path
+        })[type]);
+
+        return {
+          name,
+          cdn
+        }
+      });
+  }
 
 	apply(compiler) {
 		compiler.hooks.emit.tapAsync(MicroservicesWebpackPlugin.name, this.tapAsync.bind(this))
     compiler.options.externals = this.modules.map(({ name }) => name)
 	}
 
-	tapAsync(compilation, callback) {
+	async tapAsync(compilation, callback) {
+    this.modules = await this.createUrlsToModules(this.modules);
+
 		compilation.assets = Object.keys(compilation.assets)
 			.map((fileName) => {
 				if (!fileName.includes('.js')) {