Database build script.

scripts/build-db-client.js

@@ -0,0 +1,22 @@
+require('dotenv').config();
+const fs = require('fs');
+const path = require('path');
+const { getDatabase, getNpmCommand, runCommand } = require('./common');
+
+(async () => {
+  const db = getDatabase();
+
+  if (!db) {
+    throw new Error('Database not specified');
+  }
+
+  const src = path.resolve(__dirname, `../prisma/schema.${db}.prisma`);
+  const dest = path.resolve(__dirname, '../prisma/schema.prisma');
+
+  fs.copyFileSync(src, dest);
+
+  await runCommand(getNpmCommand(), ['run', 'prisma-generate']).catch(err => {
+    console.error(err);
+    process.exit(1);
+  });
+})();

scripts/common.js

@@ -0,0 +1,29 @@
+const { spawn } = require('child_process');
+
+function getDatabase() {
+  return process.env.DATABASE_URL.split(':')[0];
+}
+
+function runCommand(cmd, args = []) {
+  return new Promise((resolve, reject) => {
+    const child = spawn(cmd, args);
+
+    child.stdout.on('data', data => process.stdout.write(data));
+
+    child.stderr.on('data', data => process.stdout.write(data));
+
+    child.on('error', err => reject(err));
+
+    child.on('exit', (code, signal) => resolve({ code, signal }));
+  });
+}
+
+function getNpmCommand() {
+  return /^win/.test(process.platform) ? 'npm.cmd' : 'npm';
+}
+
+module.exports = {
+  getDatabase,
+  runCommand,
+  getNpmCommand,
+};