feat(cli): catch build errors with cli:buildError hook (#6475)

packages/cli/src/commands/dev.js

@@ -27,16 +27,25 @@ export default {
   },
 
   async startDev (cmd, argv) {
+    let nuxt
     try {
-      const nuxt = await this._startDev(cmd, argv)
+      nuxt = await this._listenDev(cmd, argv)
-
-      return nuxt
     } catch (error) {
+      consola.fatal(error)
+      return
+    }
+
+    try {
+      await this._buildDev(cmd, argv, nuxt)
+    } catch (error) {
+      await nuxt.callHook('cli:buildError', error)
       consola.error(error)
     }
+
+    return nuxt
   },
 
-  async _startDev (cmd, argv) {
+  async _listenDev (cmd, argv) {
     const config = await cmd.getNuxtConfig({ dev: true, _build: true })
     const nuxt = await cmd.getNuxt(config)
 
@@ -60,6 +69,11 @@ export default {
       await Promise.all(openerPromises)
     }
 
+    // Return instance
+    return nuxt
+  },
+
+  async _buildDev (cmd, argv, nuxt) {
     // Create builder instance
     const builder = await cmd.getBuilder(nuxt)
 

packages/cli/test/unit/dev.test.js

@@ -41,7 +41,7 @@ describe('dev', () => {
     expect(consola.error).not.toHaveBeenCalled()
   })
 
-  test('catches build error', async () => {
+  test('catches build error and calls hook', async () => {
     const Nuxt = mockNuxt()
     const Builder = mockBuilder()
 
@@ -55,6 +55,7 @@ describe('dev', () => {
     await Nuxt.fileRestartHook(builder)
 
     expect(Nuxt.prototype.close).toHaveBeenCalled()
+    expect(Nuxt.prototype.callHook).toHaveBeenCalledWith('cli:buildError', expect.any(Error))
     expect(consola.error).toHaveBeenCalledWith(new Error('Build Error'))
   })
 
@@ -88,7 +89,7 @@ describe('dev', () => {
     builder.nuxt = new Nuxt()
     await Nuxt.fileRestartHook(builder)
 
-    expect(consola.error).toHaveBeenCalledWith(new Error('Config Error'))
+    expect(consola.fatal).toHaveBeenCalledWith(new Error('Config Error'))
     // expect(Builder.prototype.watchRestart).toHaveBeenCalledTimes(1)
   })
 
@@ -104,7 +105,7 @@ describe('dev', () => {
 
     await NuxtCommand.from(dev).run()
 
-    expect(consola.error).toHaveBeenCalledWith(new Error('Listen Error'))
+    expect(consola.fatal).toHaveBeenCalledWith(new Error('Listen Error'))
   })
 
   test('dev doesnt force-exit by default', async () => {

packages/cli/test/utils/mocking.js

@@ -83,6 +83,7 @@ export const mockNuxt = (implementation) => {
       }
     },
     options: {},
+    callHook: jest.fn(),
     clearHook: jest.fn(),
     clearHooks: jest.fn(),
     close: jest.fn(),