Add JSDoc type annotations to project (rebased)

1 files changed, 35 insertions, 0 deletions

diff --git a/dev/data-error.js b/dev/data-error.js
new file mode 100644
index 00000000..5034e3fd
--- /dev/null
+++ b/dev/data-error.js
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2023  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+class DataError extends Error {
+    /**
+     * @param {string} message
+     */
+    constructor(message) {
+        super(message);
+        /** @type {unknown} */
+        this._data = void 0;
+    }
+
+    /** @type {unknown} */
+    get data() { return this._data; }
+    set data(value) { this._data = value; }
+}
+
+module.exports = {
+    DataError
+};