fix: improved internal type safety

Author: danielroe

src/commands/add.ts

@@ -32,17 +32,18 @@ export default defineCommand({
   async run(ctx) {
     const cwd = resolve(ctx.args.cwd || '.')
 
-    const template = ctx.args.template
+    const templateName = ctx.args.template
+    const template = templates[templateName]
     const ext = extname(ctx.args.name)
     const name
       = ext === '.vue' || ext === '.ts'
         ? ctx.args.name.replace(ext, '')
         : ctx.args.name
 
     // Validate template name
-    if (!templates[template]) {
+    if (!template) {
       consola.error(
-        `Template ${template} is not supported. Possible values: ${Object.keys(
+        `Template ${templateName} is not supported. Possible values: ${Object.keys(
           templates,
         ).join(', ')}`,
       )
@@ -60,7 +61,7 @@ export default defineCommand({
     const config = await kit.loadNuxtConfig({ cwd })
 
     // Resolve template
-    const res = templates[template]({ name, args: ctx.args })
+    const res = template({ name, args: ctx.args })
 
     // Resolve full path to generated file
     const path = resolve(config.srcDir, res.path)
@@ -77,14 +78,14 @@ export default defineCommand({
     const parentDir = dirname(path)
     if (!existsSync(parentDir)) {
       consola.info('Creating directory', parentDir)
-      if (template === 'page') {
+      if (templateName === 'page') {
         consola.info('This enables vue-router functionality!')
       }
       await fsp.mkdir(parentDir, { recursive: true })
     }
 
     // Write file
     await fsp.writeFile(path, res.contents.trim() + '\n')
-    consola.info(`🪄 Generated a new ${template} in ${path}`)
+    consola.info(`🪄 Generated a new ${templateName} in ${path}`)
   },
 })

src/commands/dev.ts

@@ -250,7 +250,7 @@ function _resolveListenOptions(
         ?? process.env.NITRO_HOST
         ?? process.env.HOST
         // TODO: Default host in schema should be undefined instead of ''
-        ?? nuxtOptions._layers?.[0].config?.devServer?.host
+        ?? nuxtOptions._layers?.[0]?.config?.devServer?.host
         ?? undefined
 
   const _public: boolean | undefined
@@ -264,17 +264,15 @@ function _resolveListenOptions(
     || (args.sslCert as string)
     || process.env.NUXT_SSL_CERT
     || process.env.NITRO_SSL_CERT
-    || (typeof nuxtOptions.devServer.https !== 'boolean'
-      && nuxtOptions.devServer.https?.cert)
+    || (typeof nuxtOptions.devServer.https !== 'boolean' && nuxtOptions.devServer.https?.cert)
     || ''
 
   const _httpsKey
     = args['https.key']
     || (args.sslKey as string)
     || process.env.NUXT_SSL_KEY
     || process.env.NITRO_SSL_KEY
-    || (typeof nuxtOptions.devServer.https !== 'boolean'
-      && nuxtOptions.devServer.https?.key)
+    || (typeof nuxtOptions.devServer.https !== 'boolean' && nuxtOptions.devServer.https?.key)
     || ''
 
   const httpsEnabled

src/commands/info.ts

@@ -101,7 +101,7 @@ export default defineCommand({
       if (label.length > maxLength) {
         maxLength = label.length
       }
-      return [label, val || '-']
+      return [label, val || '-'] as const
     })
     let infoStr = ''
     for (const [label, value] of entries) {

src/commands/module/add.ts

@@ -231,7 +231,7 @@ async function resolveModule(
 
   // Fetch package on npm
   pkgVersion = pkgVersion || 'latest'
-  const pkgScope = pkgName.startsWith('@') ? pkgName.split('/')[0] : null
+  const pkgScope = pkgName.startsWith('@') ? pkgName.split('/')[0]! : null
   const meta: RegistryMeta = await detectNpmRegistry(pkgScope)
   const headers: HeadersInit = {}
 
@@ -295,10 +295,10 @@ async function getAuthToken(registry: RegistryMeta['registry']): Promise<Registr
       fd = await fs.promises.open(npmrcPath, 'r')
       if (await fd.stat().then(r => r.isFile())) {
         const npmrcContent = await fd.readFile('utf-8')
-        const authTokenMatch = npmrcContent.match(authTokenRegex)
+        const authTokenMatch = npmrcContent.match(authTokenRegex)?.[1]
 
         if (authTokenMatch) {
-          return authTokenMatch[1].trim()
+          return authTokenMatch.trim()
         }
       }
     }
@@ -346,17 +346,17 @@ async function getRegistryFromFile(paths: string[], scope: string | null) {
 
         if (scope) {
           const scopedRegex = new RegExp(`^${scope}:registry=(.+)$`, 'm')
-          const scopedMatch = npmrcContent.match(scopedRegex)
+          const scopedMatch = npmrcContent.match(scopedRegex)?.[1]
           if (scopedMatch) {
-            return scopedMatch[1].trim()
+            return scopedMatch.trim()
           }
         }
 
         // If no scoped registry found or no scope provided, look for the default registry
         const defaultRegex = /^\s*registry=(.+)$/m
-        const defaultMatch = npmrcContent.match(defaultRegex)
+        const defaultMatch = npmrcContent.match(defaultRegex)?.[1]
         if (defaultMatch) {
-          return defaultMatch[1].trim()
+          return defaultMatch.trim()
         }
       }
     }

src/commands/module/search.ts

@@ -99,7 +99,7 @@ async function findModuleByKeywords(query: string, nuxtVersion: string) {
       if (label.length > maxLength) {
         maxLength = label.length
       }
-      return [label, val || '-']
+      return [label, val || '-'] as const
     })
     let infoStr = ''
     for (const [label, value] of entries) {

tsconfig.json

@@ -8,6 +8,7 @@
     "moduleResolution": "Node",
     "strict": true,
     "noImplicitAny": true,
+    "noUncheckedIndexedAccess": true,
     "allowJs": true,
     "noEmit": true,
     "noUnusedLocals": true,