feat: Initial clean release of CHM

packages/lib/database-driver-node.ts

@@ -0,0 +1,103 @@
+import shim from './shim';
+import { SqlParams } from './services/database/types';
+
+interface SqliteDatabase {
+	close(cb: ()=> void): void;
+	get(sql: string, params: SqlParams | Record<string, unknown>, cb: (error: Error | null, row: unknown)=> void): void;
+	all(sql: string, params: SqlParams | Record<string, unknown>, cb: (error: Error | null, rows: unknown)=> void): void;
+	run(sql: string, params: SqlParams | Record<string, unknown>, cb: (error: Error | null)=> void): void;
+	loadExtension(path: string, cb: (error: Error | null)=> void): void;
+}
+
+interface ErrorWithCode extends Error {
+	code?: string;
+}
+
+// eslint-disable-next-line import/prefer-default-export -- preserves the destructured `{ DatabaseDriverNode }` import shape used by multiple callers
+export class DatabaseDriverNode {
+	private db_: SqliteDatabase | null = null;
+
+	public open(options: { name: string }) {
+		return new Promise<void>((resolve, reject) => {
+			const sqlite3 = shim.nodeSqlite().verbose();
+
+			this.db_ = new sqlite3.Database(options.name, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE, (error: Error | null) => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve();
+			});
+		});
+	}
+
+	public close() {
+		return new Promise<void>(resolve => {
+			this.db_.close(() => resolve());
+		});
+	}
+
+	public sqliteErrorToJsError(error: ErrorWithCode, sql: string | null = null, params: SqlParams | null = null) {
+		const msg: unknown[] = [error.toString()];
+		if (sql) msg.push(sql);
+		if (params) msg.push(params);
+		const output: ErrorWithCode = new Error(msg.join(': '));
+		if (error.code) output.code = error.code;
+		return output;
+	}
+
+	public selectOne(sql: string, params: SqlParams | null = null) {
+		const queryParams = params ?? {};
+		return new Promise((resolve, reject) => {
+			this.db_.get(sql, queryParams, (error, row) => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve(row);
+			});
+		});
+	}
+
+	public loadExtension(path: string) {
+		return new Promise<void>((resolve, reject) => {
+			this.db_.loadExtension(path, (error) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve();
+				}
+			});
+		});
+	}
+
+	public selectAll(sql: string, params: SqlParams | null = null) {
+		const queryParams = params ?? {};
+		return new Promise((resolve, reject) => {
+			this.db_.all(sql, queryParams, (error, row) => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve(row);
+			});
+		});
+	}
+
+	public exec(sql: string, params: SqlParams | null = null) {
+		const queryParams = params ?? {};
+		return new Promise<void>((resolve, reject) => {
+			this.db_.run(sql, queryParams, error => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve();
+			});
+		});
+	}
+
+	public lastInsertId(): number {
+		throw new Error('NOT IMPLEMENTED');
+	}
+}