Initial commit

src/instance.ts

@@ -0,0 +1,49 @@
+import type { Table } from "./table";
+
+export type ExtractRowShape<T> = T extends Table<infer R> ? R : never;
+
+/**
+ * Represents an instance of a row in a table of a database.
+ * Wraps the raw Row data and provides methods for interacting with it.
+ */
+export abstract class Instance<
+  TableType extends Table<unknown>,
+  SerializedInstanceType = void,
+> {
+  protected row: ExtractRowShape<TableType>;
+  protected table: TableType;
+
+  constructor(table: TableType, row: ExtractRowShape<TableType>) {
+    this.row = row;
+    this.table = table;
+  }
+
+  /**
+   * Saves any changes made to the row back to the database.
+   */
+  save() {
+    this.table.update(this.row);
+  }
+
+  /**
+   * Serializes the instance into a generic format
+   */
+  serialize(): SerializedInstanceType {
+    throw new Error("Not implemented");
+  }
+
+  /**
+   * @returns The row data as a JSON string.
+   */
+  toJSON(): string {
+    return JSON.stringify(this.row);
+  }
+
+  /**
+   * Exports the raw row data.
+   * @returns The raw row data.
+   */
+  export(): ExtractRowShape<TableType> {
+    return this.row;
+  }
+}