1 files changed, 25 insertions, 0 deletions
diff --git a/devtools/client/debugger/.prettierrc.js b/devtools/client/debugger/.prettierrc.js
new file mode 100644
index 0000000000..71adaa1aa9
--- /dev/null
+++ b/devtools/client/debugger/.prettierrc.js
@@ -0,0 +1,25 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const fs = require("fs");
+
+module.exports = {
+  ...JSON.parse(fs.readFileSync(__dirname + "/../../../.prettierrc")),
+  overrides: [
+    {
+      files: [
+        "src/**/*.js",
+        "packages/*/src/**/*.js",
+      ],
+      options: {
+        // The debugger uses Babel 7 and some newer Flow features.
+        // Unfortunately, Prettier has not yet adopted a version of Babel's
+        // parser with this fix: https://github.com/babel/babel/pull/9891
+        // That necessitates us to override to config to explicitly tell
+        // Prettier that our files contain Flowtype annotations.
+        "parser": "babel-flow"
+      },
+    },
+  ],
+};