feat: inital grimoire cli

Author: coffeeorgreentea

grimoire/src/cli/commands/dev.ts

@@ -0,0 +1,69 @@
+import { defineCommand } from 'citty'
+import { consola } from 'consola'
+import { getArgs, parseArgs } from 'listhen/cli'
+import { build, createDevServer, createNitro, prepare } from 'nitro/core'
+import type { Nitro } from 'nitro/types'
+import { resolve } from 'pathe'
+import { commonArgs } from '../common'
+
+const hmrKeyRe = /^runtimeConfig\.|routeRules\./
+
+export default defineCommand({
+  meta: {
+    name: 'dev',
+    description: 'Start the development server',
+  },
+  args: {
+    ...commonArgs,
+    ...getArgs(),
+  },
+  async run({ args }) {
+    const rootDir = resolve((args['dir'] || args['dir'] || '.') as string)
+    let nitro: Nitro
+    const reload = async () => {
+      if (nitro) {
+        consola.info('Restarting dev server...')
+        if ('unwatch' in nitro.options._c12) {
+          await nitro.options._c12.unwatch()
+        }
+        await nitro.close()
+      }
+      nitro = await createNitro(
+        {
+          rootDir,
+          dev: true,
+          preset: 'nitro-dev',
+          _cli: { command: 'dev' },
+        },
+        {
+          watch: true,
+          c12: {
+            async onUpdate({ getDiff, newConfig }) {
+              const diff = getDiff()
+
+              if (diff.length === 0) {
+                return // No changes
+              }
+
+              consola.info(
+                'Nitro config updated:\n' +
+                  diff.map(entry => `  ${entry.toString()}`).join('\n')
+              )
+
+              await (diff.every(e => hmrKeyRe.test(e.key))
+                ? nitro.updateConfig(newConfig.config || {}) // Hot reload
+                : reload()) // Full reload
+            },
+          },
+        }
+      )
+      nitro.hooks.hookOnce('restart', reload)
+      const server = createDevServer(nitro)
+      const listhenOptions = parseArgs(args)
+      await server.listen(listhenOptions.port || 3000, listhenOptions)
+      await prepare(nitro)
+      await build(nitro)
+    }
+    await reload()
+  },
+})

grimoire/src/cli/common.ts

@@ -0,0 +1,13 @@
+import type { ArgsDef } from 'citty'
+
+export const commonArgs = <ArgsDef>{
+  dir: {
+    type: 'string',
+    description: 'project root directory',
+  },
+  _dir: {
+    type: 'positional',
+    default: '.',
+    description: 'project root directory (prefer using `--dir`)',
+  },
+}

grimoire/src/cli/index.ts

@@ -0,0 +1,16 @@
+#!/usr/bin/env node
+import { defineCommand, runMain } from 'citty'
+import { version as nitroVersion } from 'nitro/meta'
+
+const main = defineCommand({
+  meta: {
+    name: 'nitro',
+    description: 'Nitro CLI',
+    version: nitroVersion,
+  },
+  subCommands: {
+    dev: () => import('./commands/dev').then(r => r.default),
+  },
+})
+
+runMain(main)