42 lines
776 B
JavaScript
42 lines
776 B
JavaScript
let Database = require('better-sqlite3');
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class WrappedDatabase {
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constructor(db) {
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this.db = db;
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}
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all(sql, params = []) {
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let stmt = this.db.prepare(sql);
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return stmt.all(...params);
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}
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first(sql, params = []) {
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let rows = this.all(sql, params);
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return rows.length === 0 ? null : rows[0];
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}
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exec(sql) {
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this.db.exec(sql);
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}
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mutate(sql, params = []) {
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let stmt = this.db.prepare(sql);
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let info = stmt.run(...params);
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return { changes: info.changes, insertId: info.lastInsertRowid };
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}
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transaction(fn) {
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return this.db.transaction(fn)();
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}
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close() {
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this.db.close();
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}
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}
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function openDatabase(filename) {
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return new WrappedDatabase(new Database(filename));
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}
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module.exports = { openDatabase };
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