1 files changed, 38 insertions, 0 deletions
diff --git a/packages/client/vite.json5.ts b/packages/client/vite.json5.ts
new file mode 100644
index 0000000000..693ee7be06
--- /dev/null
+++ b/packages/client/vite.json5.ts
@@ -0,0 +1,38 @@
+// Original: https://github.com/rollup/plugins/tree/8835dd2aed92f408d7dc72d7cc25a9728e16face/packages/json
+
+import JSON5 from 'json5';
+import { Plugin } from 'rollup';
+import { createFilter, dataToEsm } from '@rollup/pluginutils';
+import { RollupJsonOptions } from '@rollup/plugin-json';
+
+export default function json5(options: RollupJsonOptions = {}): Plugin {
+  const filter = createFilter(options.include, options.exclude);
+  const indent = 'indent' in options ? options.indent : '\t';
+
+  return {
+    name: 'json5',
+
+    // eslint-disable-next-line no-shadow
+    transform(json, id) {
+      if (id.slice(-6) !== '.json5' || !filter(id)) return null;
+
+      try {
+        const parsed = JSON5.parse(json);
+        return {
+          code: dataToEsm(parsed, {
+            preferConst: options.preferConst,
+            compact: options.compact,
+            namedExports: options.namedExports,
+            indent
+          }),
+          map: { mappings: '' }
+        };
+      } catch (err) {
+        const message = 'Could not parse JSON file';
+        const position = parseInt(/[\d]/.exec(err.message)[0], 10);
+        this.warn({ message, id, position });
+        return null;
+      }
+    }
+  };
+}