Feat/config (#35)

* add scratchpad.config.js config file

* chore: add changeset

* chore: typo

Author: heyMP

.changeset/cool-dingos-provide.md

@@ -0,0 +1,16 @@
+---
+"@heymp/scratchpad": minor
+---
+
+Add `scratchpad.config.js` file as an alternative to specifying scratchpad options
+using the CLI flags.
+
+```js
+export default ({
+  devtools: true,
+  headless: false,
+  url: 'https://www.google.com'
+});
+```
+
+NOTE: CLI flags will take precidence over config file options.

bin/cli.js

@@ -5,6 +5,7 @@ import { join, dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { Command } from 'commander';
 import { browser } from '../src/browser.js';
+import { getConfig } from '../src/config.js';
 import * as esbuild from 'esbuild';
 
 // Get pkg info
@@ -22,7 +23,8 @@ program
 program.parse(process.argv);
 
 const file = program.args.at(0);
-const opts = program.opts();
+const config = await getConfig();
+const opts = { ...config, ...program.opts()};
 
 class Processor extends EventTarget {
   constructor() {

examples/scratchpad.config.js

@@ -0,0 +1,5 @@
+export default ({
+  devtools: true,
+  headless: false,
+  url: 'https://www.google.com'
+});

src/config.js

@@ -0,0 +1,26 @@
+import { join } from 'node:path';
+import { stat } from 'node:fs/promises';
+
+const exists = (path) => stat(path).then(() => true, () => false);
+
+async function importConfig(rootDir) {
+  const path = join(rootDir, './scratchpad.config.js');
+  if (await exists(path)) {
+    return import(path)
+      .then(x => x.default)
+      .catch(e => {
+        console.error(e);
+        return {};
+      });
+  } else {
+    return {};
+  }
+}
+
+export async function getConfig() {
+  const rootDir = process.cwd();
+  return {
+    ...await importConfig(rootDir),
+  }
+}
+