feat: make file optional (#75)

* feat: make file optional

* chore: update changeset

* chore: cleanup

Author: heyMP

.changeset/thin-sloths-perform.md

@@ -0,0 +1,9 @@
+---
+"@heymp/scratchpad": patch
+---
+
+File argument for run command optional
+
+```bash
+npx @heymp/scratchpad@next run
+```

src/Processor.ts

@@ -10,7 +10,7 @@ export class ProcessorChangeEvent extends Event {
 }
 
 export type ProcessorOpts = Config & {
-  file: string;
+  file?: string;
 }
 
 /**
@@ -36,14 +36,17 @@ export class Processor extends EventTarget {
   }
 
   watcher() {
-    const file = this.opts.file;
-
     if (this.opts.login) {
       if (!fs.existsSync(join(process.cwd(), '.scratchpad', 'login.json'))) {
         throw new Error(`Session file not found.`);
       }
     }
 
+    const file = this.opts.file;
+    if (!file) {
+      return;
+    }
+
     if (!fs.existsSync(file)) {
       throw new Error(`${file} file not found.`);
     }
@@ -56,10 +59,10 @@ export class Processor extends EventTarget {
 
   async build() {
     const file = this.opts.file;
+    if (!file) {
+      return;
+    }
     try {
-      if (!file) {
-        throw new Error(`${file} file not found.`);
-      }
       if (file.endsWith('.ts')) {
         const { outputFiles: [stdout]} = await build({
           entryPoints: [file],

src/runCommand.ts

@@ -5,13 +5,13 @@ import { browser } from './browser.js';
 
 export const runCommand = new Command('run')
   .description('Execute a file in a browser.')
-  .argument('<file>', 'file to execute in the browser.')
+  .argument('[file]', 'file to execute in the browser.')
   .option('--headless [boolean]', 'specify running the browser in headless mode.')
   .option('--devtools [boolean]', 'open browser devtools automatically.')
   .option('--ts-write [boolean]', 'write the js output of the target ts file.')
   .option('--url [string]', 'specify a specific url to execute the code in.')
   .option('--login [boolean]', `use previously saved session from 'generate login' command`)
-  .action(async (file, options, command) => {
+  .action(async (file, options) => {
     const config = await getConfig();
     const opts = { ...config, ...options};
     const processor = new Processor({
@@ -23,7 +23,7 @@ export const runCommand = new Command('run')
       playwright: opts['playwright'],
       login: !!opts['login'],
       rerouteDir: opts['rerouteDir'],
-      file,
+      file
     });
     browser(processor);
   });