fix: extract-template async race issue (#1279)

packages/cli/src/lingui-extract-template.ts

@@ -14,10 +14,10 @@ export type CliExtractTemplateOptions = {
   files?: string[]
 }
 
-export default function command(
+export default async function command(
   config: LinguiConfig,
   options: Partial<CliExtractTemplateOptions>
-): boolean {
+): Promise<boolean> {
   // `react-app` babel plugin used by CRA requires either BABEL_ENV or NODE_ENV to be
   // set. We're setting it here, because lingui macros are going to use them as well.
   if (!process.env.BABEL_ENV && !process.env.NODE_ENV) {
@@ -32,15 +32,16 @@ export default function command(
   options.verbose && console.error("Extracting messages from source files…")
   const catalogs = getCatalogs(config)
   const catalogStats: { [path: string]: Number } = {}
-  catalogs.forEach((catalog) => {
-    catalog.makeTemplate({
+
+  await Promise.all(catalogs.map(async (catalog) => {
+    await catalog.makeTemplate({
       ...options,
       orderBy: config.orderBy,
       projectType: detect(),
     })
 
     catalogStats[catalog.templateFile] = Object.keys(catalog.readTemplate()).length
-  })
+  }))
 
   Object.entries(catalogStats).forEach(([key, value]) => {
     console.log(
@@ -64,7 +65,8 @@ if (require.main === module) {
   const result = command(config, {
     verbose: program.verbose || false,
     configPath: program.config || process.env.LINGUI_CONFIG,
+  }).then(() => {
+    if (!result) process.exit(1)
   })
 
-  if (!result) process.exit(1)
 }