SYNC: Merge pull request #5 from dbgate/feature/firestore

packages/web/src/utility/parseFileAsJson.js

@@ -0,0 +1,38 @@
+/**
+ * @template [T = any]
+ * @typedef {Object} FileParseResultSuccess
+ * @property {true} success
+ * @property {T} data
+ */
+
+/**
+ * @typedef {Object} FileParseResultError
+ * @property {false} success
+ * @property {string} error
+ */
+
+/**
+ * @template [T = any]
+ * @typedef {FileParseResultSuccess<T> | FileParseResultError} FileParseResult
+ */
+
+/**
+ * @template [T = any]
+ * @param {File} file
+ * @returns {Promise<FileParseResult<T>>}
+ */
+export async function parseFileAsJson(file) {
+  try {
+    const text = await file.text();
+    const data = JSON.parse(text);
+    return {
+      success: true,
+      data,
+    };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Unknown parsing error',
+    };
+  }
+}