CircleCI project setup (#138)

packages/babel-preset-medusa-package/index.js

@@ -0,0 +1,26 @@
+const r = require(`./resolver`);
+
+function preset(context, options = {}) {
+  const { debug = false, nodeVersion = `10.14.0` } = options;
+  const { NODE_ENV, BABEL_ENV } = process.env;
+
+  const nodeConfig = {
+    corejs: 3,
+    useBuiltIns: `entry`,
+    targets: {
+      node: nodeVersion,
+    },
+  };
+
+  return {
+    presets: [r(`@babel/preset-env`)],
+    plugins: [
+      r(`@babel/plugin-proposal-class-properties`),
+      r(`@babel/plugin-transform-classes`),
+      r(`@babel/plugin-transform-instanceof`),
+      r(`@babel/plugin-transform-runtime`),
+    ].filter(Boolean),
+  };
+}
+
+module.exports = preset;