fix: reuse feature list for CLI, add 'fetch-event' (#269)

Author: vados-cosmonic

src/cli.js

@@ -1,12 +1,12 @@
 #! /usr/bin/env node
 
 import { program, Option } from 'commander';
-import { componentize } from "./componentize.js";
+import { componentize, DEFAULT_FEATURES } from './componentize.js';
 import { writeFile } from 'node:fs/promises';
 import { resolve } from 'node:path';
 
-export async function componentizeCmd (jsSource, opts) {
-  const { component } = await componentize( {
+export async function componentizeCmd(jsSource, opts) {
+  const { component } = await componentize({
     sourcePath: jsSource,
     witPath: resolve(opts.wit),
     worldName: opts.worldName,
@@ -30,20 +30,29 @@ program
   .option('-n, --world-name <name>', 'WIT world to build')
   .option('--runtime-args <string>', 'arguments to pass to the runtime')
   .option('--aot', 'enable AOT compilation')
-  .addOption(new Option('-d, --disable <feature...>', 'disable WASI features').choices(['stdio', 'random', 'clocks', 'http']))
-  .option('--preview2-adapter <adapter>', 'provide a custom preview2 adapter path')
+  .addOption(
+    new Option('-d, --disable <feature...>', 'disable WASI features').choices(
+      DEFAULT_FEATURES,
+    ),
+  )
+  .option(
+    '--preview2-adapter <adapter>',
+    'provide a custom preview2 adapter path',
+  )
   .option('--use-debug-build', 'use a debug build of StarlingMonkey')
   .option('--debug-bindings', 'enable debug logging for bindings generation')
-  .option('--enable-wizer-logging', 'enable debug logging for calls in the generated component')
+  .option(
+    '--enable-wizer-logging',
+    'enable debug logging for calls in the generated component',
+  )
   .requiredOption('-o, --out <out>', 'output component file')
   .action(asyncAction(componentizeCmd));
 
-
 program.showHelpAfterError();
 
 program.parse();
 
-function asyncAction (cmd) {
+function asyncAction(cmd) {
   return function () {
     const args = [...arguments];
     (async () => {

src/componentize.js

@@ -61,7 +61,7 @@ const DEFAULT_DEBUG_SETTINGS = {
 };
 
 /** Features that are used by default if not explicitly disabled */
-const DEFAULT_FEATURES = ['stdio', 'random', 'clocks', 'http', 'fetch-event'];
+export const DEFAULT_FEATURES = ['stdio', 'random', 'clocks', 'http', 'fetch-event'];
 
 export async function componentize(
   opts,