fix: Log original error with Babel compatibility info (lingui#401)

* Log original error with Babel compatibility info

* style: fix linter errors

packages/cli/index.js

@@ -1 +1,3 @@
+/* eslint-disable import/export */
+// This file is just used as an entry point for rollup.
 export * from "./src/lingui"

packages/cli/src/api/compat.js

@@ -6,31 +6,39 @@ function catchBabelVersionMismatch(fn) {
     try {
       fn.apply(null, arguments)
     } catch (e) {
+      let logged = false
+
       if (
         e.message.startsWith(
           "Plugin/Preset files are not allowed to export objects"
         )
       ) {
+        logged = true
+
         const { makeInstall } = require("../lingui-init")
         const install = makeInstall()
         console.log(chalk.red("Please install missing Babel 6 core package:"))
         console.log()
         console.log(install("babel-core@^6.0.0", true))
         console.log()
-
-        process.exit(1)
       } else if (
         e.message.startsWith(
           'Requires Babel "^7.0.0-0", but was loaded with "6.26.3".'
         )
       ) {
+        logged = true
+
         const { makeInstall } = require("../lingui-init")
         const install = makeInstall()
         console.log(chalk.red("Please install missing Babel 7 core packages:"))
         console.log()
         console.log(install("babel-core@^7.0.0-bridge.0 @babel/core", true))
         console.log()
+      }
 
+      if (logged) {
+        console.log("Original error:")
+        console.log(e)
         process.exit(1)
       } else {
         throw e

packages/cli/src/lingui-add-locale.js

@@ -28,7 +28,9 @@ export default function command(config: LinguiConfig, locales: Array<string>) {
   // At least one language was added successfully
   if (results.filter(Boolean).length) {
     console.log()
-    console.log(`(use "${chalk.yellow(helpRun("extract"))}" to extract messages)`)
+    console.log(
+      `(use "${chalk.yellow(helpRun("extract"))}" to extract messages)`
+    )
   }
 }