Fix build command hang up in dev mode

Author: ije

cli.ts

@@ -2,6 +2,7 @@ import { bold } from 'https://deno.land/[email protected]/fmt/colors.ts'
 import { basename, resolve } from 'https://deno.land/[email protected]/path/mod.ts'
 import { parse } from 'https://deno.land/[email protected]/flags/mod.ts'
 import { loadImportMap } from './server/config.ts'
+import { checkAlephDevEnv } from './server/helper.ts'
 import { existsDir, findFile } from './shared/fs.ts'
 import log from './shared/log.ts'
 import util from './shared/util.ts'
@@ -91,6 +92,8 @@ async function main() {
     log.fatal('No such directory:', workingDir)
   }
 
+  checkAlephDevEnv()
+
   // run the command if import maps exists
   const importMapFile = await findFile(workingDir, ['import_map', 'import-map', 'importmap', 'importMap'].map(name => `${name}.json`))
   if (importMapFile) {
@@ -149,8 +152,11 @@ async function run(name: string, version: string, importMap?: string) {
     stdout: 'inherit',
     stderr: 'inherit'
   })
-  const c = await p.status()
+  await p.status()
   p.close()
+  if (name === 'build') {
+    Deno.exit(0)
+  }
 }
 
 if (import.meta.main) {

commands/build.ts

@@ -28,5 +28,4 @@ if (import.meta.main) {
 
   const aleph = new Aleph(workingDir, 'production', Boolean(options.r || options.reload))
   await aleph.build()
-  Deno.exit(0)
 }

server/aleph.ts

@@ -25,7 +25,7 @@ import { Analyzer } from './analyzer.ts'
 import { cache } from './cache.ts'
 import { defaultConfig, fixConfig, getDefaultImportMap, loadConfig, loadImportMap } from './config.ts'
 import {
-  checkAlephDev, checkDenoVersion, clearBuildCache, decoder, encoder, getAlephPkgUri,
+  checkDenoVersion, clearBuildCache, decoder, encoder, getAlephPkgUri,
   getSourceType, isLocalhostUrl, loadPlugin, moduleExclude, toLocalPath, toRelativePath,
 } from './helper.ts'
 import { getContentType } from './mime.ts'
@@ -89,7 +89,6 @@ export class Aleph implements IAleph {
     reload = false
   ) {
     checkDenoVersion()
-    checkAlephDev()
     this.#mode = mode
     this.#workingDir = resolve(workingDir)
     this.#buildDir = join(this.#workingDir, '.aleph', mode)

server/helper.ts

@@ -54,7 +54,7 @@ export function checkDenoVersion() {
   Deno.exit(1)
 }
 
-export function checkAlephDev() {
+export function checkAlephDevEnv() {
   const v = Deno.env.get('ALEPH_DEV')
   if (v !== undefined && !_localProxy) {
     localProxy(Deno.cwd(), 2020)