fix: make preview work

package.json

@@ -47,7 +47,7 @@
     "@babel/parser": "^7.5.5",
     "@babel/traverse": "^7.5.5",
     "@babel/types": "^7.5.5",
-    "@betty-blocks/preview": "^1.0.3",
+    "@betty-blocks/preview": "^1.0.4",
     "@hapi/joi": "^16.1.4",
     "@semantic-release/changelog": "^3.0.4",
     "@semantic-release/git": "^7.0.16",

src/bb-components-preview.ts

@@ -1,7 +1,7 @@
 /* npm dependencies */
 
 import program, { CommanderStatic } from 'commander';
-import { parseDir, parsePort } from './utils/arguments';
+import { parsePort } from './utils/arguments';
 
 import servePreview from './utils/servePreview';
 
@@ -13,9 +13,8 @@ program
   .option('-p, --port [port]', 'Serve on a custom port. Defaults to 3001.')
   .parse(process.argv);
 
-const { args, port: portRaw }: CommanderStatic = program;
-const rootDir: string = parseDir(args);
+const { port: portRaw }: CommanderStatic = program;
 const port: number = parsePort(portRaw, 3001);
 
 /* execute command */
-servePreview(rootDir, port);
+servePreview(port);

src/utils/servePreview.ts

@@ -1,11 +1,15 @@
 import { createServer, Server, IncomingMessage, ServerResponse } from 'http';
 import handler from 'serve-handler';
+import path from 'path';
 
-export default (rootDir: string, port: number): void => {
+export default (port: number): void => {
   const server: Server = createServer(
     (response: IncomingMessage, request: ServerResponse): Promise<void> =>
       handler(response, request, {
-        public: `${rootDir}/node_modules/@betty-blocks/preview/build`,
+        public: path.join(
+          __dirname,
+          '../../node_modules/@betty-blocks/preview/build',
+        ),
       }),
   );