Bug 1572214 - Part 2: Override Prettier Flow config to allow templatized call syntax. r=jlast

Depends on D48476

Differential Revision: https://phabricator.services.mozilla.com/D48477

--HG--
extra : moz-landing-system : lando

devtools/client/debugger/.prettierrc.js

@@ -0,0 +1,21 @@
+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"
+      },
+    },
+  ],
+};