some automation

esbuild.config.mjs

@@ -1,5 +1,6 @@
 import esbuild from 'esbuild';
 import process from 'process';
+import fs from 'fs';
 import builtins from 'builtin-modules';
 
 const banner = `/*
@@ -9,6 +10,11 @@ THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
 
 const prod = process.argv[2] === 'production';
 
+const pkg = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
+const manifest = JSON.parse(fs.readFileSync('./manifest.json', 'utf8'));
+manifest.version = pkg.version;
+fs.writeFileSync('./manifest.json', JSON.stringify(manifest, null, '\t') + '\n');
+
 esbuild
 	.build({
 		banner: { js: banner },