Merge pull request #98 from schiehll/find-babelrc

Check for babelrc up from given functions folder

lib/build.js

@@ -13,11 +13,27 @@ function getBabelTarget(envConfig) {
   return unknown ? "6.10" : current.replace(/^nodejs/, "");
 }
 
+function haveBabelrc(functionsDir) {
+  const cwd = process.cwd();
+
+  return (
+    fs.existsSync(path.join(cwd, ".babelrc")) ||
+    functionsDir.split("/").reduce((foundBabelrc, dir) => {
+      if (foundBabelrc) return foundBabelrc;
+
+      const indexOf = functionsDir.indexOf(dir);
+      const dirToSearch = functionsDir.substr(0, indexOf);
+
+      return fs.existsSync(path.join(cwd, dirToSearch, ".babelrc"));
+    }, false)
+  );
+}
+
 function webpackConfig(dir, additionalConfig) {
   var config = conf.load();
   var envConfig = config.build.environment || config.build.Environment || {};
   var babelOpts = { cacheDirectory: true };
-  if (!fs.existsSync(path.join(process.cwd(), ".babelrc"))) {
+  if (!haveBabelrc(dir)) {
     babelOpts.presets = [
       ["@babel/preset-env", { targets: { node: getBabelTarget(envConfig) } }]
     ];
@@ -48,7 +64,7 @@ function webpackConfig(dir, additionalConfig) {
   var webpackConfig = {
     mode: "production",
     resolve: {
-      extensions: ['.wasm', '.mjs', '.js', '.json', '.ts']
+      extensions: [".wasm", ".mjs", ".js", ".json", ".ts"]
     },
     module: {
       rules: [