Updates

backend/node_modules/better-sqlite3/lib/methods/explain.js

@@ -0,0 +1,9 @@
+'use strict';
+const { cppdb } = require('../util');
+
+module.exports = function explain(source) {
+	if (typeof source !== 'string') throw new TypeError('Expected first argument to be a string');
+
+	const stmt = this[cppdb].prepare(`EXPLAIN ${source}`, this, false, true);
+	return stmt.all();
+};