Node spanner pg driver

handwritten/spanner-pg/.eslintignore

@@ -0,0 +1,5 @@
+**/node_modules
+**/coverage
+build/
+docs/
+test/pg-suite/

handwritten/spanner-pg/.eslintrc.json

@@ -0,0 +1,4 @@
+{
+  "root": true,
+  "extends": "./node_modules/gts"
+}

handwritten/spanner-pg/.gitignore

@@ -0,0 +1,12 @@
+**/*.log
+**/node_modules
+/.coverage
+/coverage
+/.nyc_output
+/docs/
+/out/
+/build/
+*.lock
+.DS_Store
+package-lock.json
+pg-suite

handwritten/spanner-pg/.mocharc.cjs

@@ -0,0 +1,30 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+const config = {
+  "enable-source-maps": true,
+  "throw-deprecation": true,
+  "timeout": 10000,
+  "recursive": true
+}
+if (process.env.MOCHA_THROW_DEPRECATION === 'false') {
+  delete config['throw-deprecation'];
+}
+if (process.env.MOCHA_REPORTER) {
+  config.reporter = process.env.MOCHA_REPORTER;
+}
+if (process.env.MOCHA_REPORTER_OUTPUT) {
+  config['reporter-option'] = `output=${process.env.MOCHA_REPORTER_OUTPUT}`;
+}
+module.exports = config

handwritten/spanner-pg/.prettierignore

@@ -0,0 +1,5 @@
+**/node_modules
+**/coverage
+build/
+docs/
+test/pg-suite/

handwritten/spanner-pg/.prettierrc.cjs

@@ -0,0 +1,17 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+module.exports = {
+  ...require('gts/.prettierrc.json')
+}

handwritten/spanner-pg/package.json

@@ -0,0 +1,63 @@
+{
+  "name": "@google-cloud/spanner-pg",
+  "version": "0.1.0",
+  "description": "Node.js pg-compatible driver wrapper for Google Cloud Spanner",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/googleapis/google-cloud-node.git",
+    "directory": "handwritten/spanner-pg"
+  },
+  "license": "Apache-2.0",
+  "author": "Google LLC",
+  "main": "./build/cjs/src/index.cjs",
+  "module": "./build/esm/src/index.js",
+  "types": "./build/cjs/src/index.d.ts",
+  "type": "module",
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./build/esm/src/index.d.ts",
+        "default": "./build/esm/src/index.js"
+      },
+      "require": {
+        "types": "./build/cjs/src/index.d.ts",
+        "default": "./build/cjs/src/index.cjs"
+      }
+    }
+  },
+  "files": [
+    "build/esm/src",
+    "build/cjs/src"
+  ],
+  "scripts": {
+    "clean": "gts clean",
+    "compile:esm": "tsc -p .",
+    "compile:cjs": "tsc -p ./tsconfig.cjs.json && babel build/cjs --out-dir build/cjs --out-file-extension .cjs && node scripts/fix-extensions.cjs",
+    "compile": "npm run compile:esm && npm run compile:cjs",
+    "fix": "gts fix",
+    "lint": "gts check",
+    "prepare": "npm run compile",
+    "test:esm": "c8 mocha build/esm/test/**/*.js",
+    "test:cjs": "c8 mocha build/cjs/test/**/*.cjs",
+    "test": "npm run test:esm && npm run test:cjs"
+  },
+  "dependencies": {
+    "spannerlib-node": "file:/Users/gargsurbhi/Work/Github/go-sql-spanner/spannerlib/wrappers/spannerlib-node",
+    "@google-cloud/spanner": "^8.7.1"
+  },
+  "devDependencies": {
+    "@types/mocha": "^10.0.10",
+    "@types/node": "^22.13.9",
+    "@types/sinon": "^17.0.4",
+    "c8": "^10.1.3",
+    "gts": "^6.0.2",
+    "mocha": "^11.1.0",
+    "sinon": "^21.0.3",
+    "typescript": "^5.8.2",
+    "@babel/core": "^7.24.0",
+    "@babel/cli": "^7.23.9"
+  },
+  "engines": {
+    "node": ">=18"
+  }
+}

handwritten/spanner-pg/scripts/fix-extensions.cjs

@@ -0,0 +1,42 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+const fs = require('fs');
+const path = require('path');
+
+const cjsDir = path.join(__dirname, '../build/cjs');
+
+function traverseDir(dir) {
+    fs.readdirSync(dir).forEach(file => {
+        const fullPath = path.join(dir, file);
+        if (fs.statSync(fullPath).isDirectory()) {
+            traverseDir(fullPath);
+        } else if (fullPath.endsWith('.cjs')) {
+            let content = fs.readFileSync(fullPath, 'utf8');
+            // Replace require paths starting with . / or .. / and ending with .js
+            content = content.replace(/require\(['"]((\.|\.\.)\/[^'"]+)\.js['"]\)/g, "require('$1.cjs')");
+            // Fix import.meta.url syntax error in CommonJS
+            content = content.replace(/import\.meta\.url/g, '""');
+            fs.writeFileSync(fullPath, content);
+        } else if (fullPath.endsWith('.js')) {
+            // Delete the original .js file generated by tsc
+            fs.unlinkSync(fullPath);
+        }
+    });
+}
+
+if (fs.existsSync(cjsDir)) {
+    traverseDir(cjsDir);
+    console.log('Fixed extensions in .cjs files and removed .js files in build/cjs');
+}

handwritten/spanner-pg/src/index.ts

@@ -0,0 +1,51 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import {Client} from './lib/client.js';
+import {Pool} from './lib/pool.js';
+import {Query} from './lib/query.js';
+import {types} from './lib/types.js';
+
+export {Client, Pool, Query, types};
+export const native = {Client, Pool};
+
+export const defaults = {
+  host: 'localhost',
+  port: 5432,
+  user: 'postgres',
+  password: '',
+  database: 'postgres',
+};
+
+export class DatabaseError extends Error {
+  severity?: string;
+  code?: string;
+  detail?: string;
+  hint?: string;
+  position?: string;
+  internalPosition?: string;
+  internalQuery?: string;
+  where?: string;
+  schema?: string;
+  table?: string;
+  column?: string;
+  dataType?: string;
+  constraint?: string;
+  file?: string;
+  line?: string;
+  routine?: string;
+}
+
+export const escapeIdentifier = (str: string) => `"${str.replace(/"/g, '""')}"`;
+export const escapeLiteral = (str: string) => `'${str.replace(/'/g, "''")}'`;