All: Use Lerna to manage monorepo

packages/lib/database-driver-node.js

@@ -0,0 +1,82 @@
+const sqlite3 = require('sqlite3').verbose();
+const Promise = require('promise');
+
+class DatabaseDriverNode {
+	open(options) {
+		return new Promise((resolve, reject) => {
+			this.db_ = new sqlite3.Database(options.name, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE, error => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve();
+			});
+		});
+	}
+
+	sqliteErrorToJsError(error, sql = null, params = null) {
+		const msg = [error.toString()];
+		if (sql) msg.push(sql);
+		if (params) msg.push(params);
+		const output = new Error(msg.join(': '));
+		if (error.code) output.code = error.code;
+		return output;
+	}
+
+	selectOne(sql, params = null) {
+		if (!params) params = {};
+		return new Promise((resolve, reject) => {
+			this.db_.get(sql, params, (error, row) => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve(row);
+			});
+		});
+	}
+
+	loadExtension(path) {
+		return new Promise((resolve, reject) => {
+			this.db_.loadExtension(path, (error) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve();
+				}
+			});
+		});
+	}
+
+	selectAll(sql, params = null) {
+		if (!params) params = {};
+		return new Promise((resolve, reject) => {
+			this.db_.all(sql, params, (error, row) => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve(row);
+			});
+		});
+	}
+
+	exec(sql, params = null) {
+		if (!params) params = {};
+		return new Promise((resolve, reject) => {
+			this.db_.run(sql, params, error => {
+				if (error) {
+					reject(error);
+					return;
+				}
+				resolve();
+			});
+		});
+	}
+
+	lastInsertId() {
+		throw new Error('NOT IMPLEMENTED');
+	}
+}
+
+module.exports = { DatabaseDriverNode };