feat(docz-core): ensure files before running machine

core/docz-core/src/bundler/machine/actions.ts

@@ -1,13 +1,37 @@
 import * as path from 'path'
+import * as fs from 'fs-extra'
 import { assign, Event } from 'xstate'
-import { get, assoc } from 'lodash/fp'
+import { assoc } from 'lodash/fp'
+import glob from 'fast-glob'
 import log from 'signale'
 import sh from 'shelljs'
 
 import * as paths from '../../config/paths'
-import { openBrowser as open } from '../../utils/open-browser'
 import { ServerMachineCtx } from './context'
 
+const ensureFile = (filename: string, toDelete?: string) => {
+  const ghost = path.resolve(paths.docz, toDelete || filename)
+  const original = path.resolve(paths.root, filename)
+  if (fs.pathExistsSync(ghost) && !fs.pathExistsSync(original)) {
+    fs.removeSync(ghost)
+  }
+}
+
+export const ensureFiles = () => {
+  const themeDirs = glob.sync('src/gatsby-theme-**', {
+    cwd: paths.docz,
+    onlyDirectories: true,
+  })
+
+  ensureFile('doczrc.js')
+  ensureFile('gatsby-browser.js')
+  ensureFile('gatsby-ssr.js')
+  ensureFile('gatsby-node.js')
+  ensureFile('gatsby-config.js', 'gatsby-config.custom.js')
+
+  themeDirs.forEach(dir => ensureFile(dir))
+}
+
 export const assignFirstInstall = assign((ctx: ServerMachineCtx) => {
   const firstInstall = !sh.test('-e', paths.docz)
   return assoc('firstInstall', firstInstall, ctx)
@@ -18,12 +42,6 @@ export const checkIsDoczRepo = assign((ctx: ServerMachineCtx) => {
   return assoc('isDoczRepo', isDoczRepo, ctx)
 })
 
-export const openBrowser = ({ args }: ServerMachineCtx) => {
-  if (get('openBrowser', args) || get('o', args)) {
-    open(`http://${args.host}:${args.port}`)
-  }
-}
-
 export const logError = (ctx: ServerMachineCtx, ev: Event<any>) => {
   log.fatal(ev.data)
   sh.exit(0)

core/docz-core/src/bundler/machine/index.ts

@@ -32,6 +32,7 @@ const machine = Machine<ServerMachineCtx>({
   type: 'parallel',
   states: {
     watch: {
+      onEntry: 'ensureFiles',
       invoke: {
         src: 'watchFiles',
       },