Merge pull request #48 from sqlite/node

Add support for Node.js without persistence

Author: tomayac

demo/node.mjs

@@ -0,0 +1,44 @@
+import sqlite3InitModule from '../node.mjs';
+
+const log = (...args) => console.log(...args);
+const error = (...args) => console.error(...args);
+
+const start = function (sqlite3) {
+  log('Running SQLite3 version', sqlite3.version.libVersion);
+
+  const db = new sqlite3.oo1.DB('./local', 'cw');
+
+  try {
+    log('Creating a table...');
+    db.exec('CREATE TABLE IF NOT EXISTS t(a,b)');
+    log('Insert some data using exec()...');
+    for (let i = 20; i <= 25; ++i) {
+      db.exec({
+        sql: 'INSERT INTO t(a,b) VALUES (?,?)',
+        bind: [i, i * 2],
+      });
+    }
+    log('Query data with exec()...');
+    db.exec({
+      sql: 'SELECT a FROM t ORDER BY a LIMIT 3',
+      callback: (row) => {
+        log(row);
+      },
+    });
+  } finally {
+    db.close();
+  }
+};
+
+log('Loading and initializing SQLite3 module...');
+sqlite3InitModule({
+  print: log,
+  printErr: error,
+}).then((sqlite3) => {
+  log('Done initializing. Running demo...');
+  try {
+    start(sqlite3);
+  } catch (err) {
+    error(err.name, err.message);
+  }
+});

node.mjs

@@ -0,0 +1,3 @@
+import { default as sqlite3InitModule } from './sqlite-wasm/jswasm/sqlite3-node.mjs';
+
+export default sqlite3InitModule;

package.json

@@ -14,17 +14,19 @@
     "origin-private-file-system"
   ],
   "main": "index.mjs",
+  "node": "node.mjs",
   "type": "module",
   "files": [
     "index.d.ts",
     "index.mjs",
+    "node.mjs",
     "sqlite-wasm/"
   ],
   "types": "index.d.ts",
   "exports": {
     ".": {
       "types": "./index.d.ts",
-      "node": "./index.mjs",
+      "node": "./node.mjs",
       "import": "./index.mjs",
       "main": "./index.mjs",
       "browser": "./index.mjs"
@@ -41,6 +43,7 @@
     "clean": "shx rm -rf sqlite-wasm",
     "build": "npm run clean && node bin/index.js",
     "start": "npx http-server --coop",
+    "start:node": "cd demo && node node.mjs",
     "fix": "npx prettier . --write",
     "prepublishOnly": "npm run build && npm run fix && npm run publint && npm run check-types",
     "deploy": "npm run prepublishOnly && git add . && git commit -am 'New release' && git push && npm publish --access public"