85 lines
2.7 KiB
TypeScript
85 lines
2.7 KiB
TypeScript
/*
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This file is part of GNU Taler
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(C) 2023 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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// @ts-ignore: optional dependency
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import type Database from "better-sqlite3";
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import {
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ResultRow,
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Sqlite3Interface,
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Sqlite3Statement,
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} from "./sqlite3-interface.js";
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export async function createNodeSqlite3Impl(): Promise<Sqlite3Interface> {
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// @ts-ignore: optional dependency
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const bsq = (await import("better-sqlite3")).default;
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return {
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open(filename: string) {
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const internalDbHandle = bsq(filename);
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return {
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internalDbHandle,
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close() {
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internalDbHandle.close();
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},
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prepare(stmtStr): Sqlite3Statement {
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const stmtHandle = internalDbHandle.prepare(stmtStr);
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return {
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internalStatement: stmtHandle,
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getAll(params): ResultRow[] {
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let res: ResultRow[];
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if (params === undefined) {
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res = stmtHandle.all() as ResultRow[];
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} else {
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res = stmtHandle.all(params) as ResultRow[];
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}
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return res;
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},
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getFirst(params): ResultRow | undefined {
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let res: ResultRow | undefined;
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if (params === undefined) {
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res = stmtHandle.get() as ResultRow | undefined;
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} else {
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res = stmtHandle.get(params) as ResultRow | undefined;
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}
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return res;
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},
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run(params) {
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const myParams = [];
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if (params !== undefined) {
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myParams.push(params);
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}
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// The better-sqlite3 library doesn't like it we pass
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// undefined directly.
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let res: Database.RunResult;
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if (params !== undefined) {
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res = stmtHandle.run(params);
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} else {
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res = stmtHandle.run();
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}
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return {
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lastInsertRowid: res.lastInsertRowid,
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};
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},
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};
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},
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exec(sqlStr): void {
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internalDbHandle.exec(sqlStr);
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},
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};
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},
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};
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}
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