build: add fallback case for when bundling fails

Author: Planeshifter

lib/node_modules/@stdlib/_tools/scripts/publish_packages.js

@@ -1046,19 +1046,25 @@ function publish( pkg, clbk ) {
 		deps.push( '@stdlib/error-tools-fmtprodmsg' );
 	}
 
-	// Transform error messages and save files to `dist` subdirectory:
-	command = 'mkdir dist';
-	shell( command, opts );
-	command = [
-		'npx esbuild lib/index.js --bundle --format=cjs --target=es5',
-		'--sourcemap --minify --platform=node --outfile=dist/index.js',
-		'--external:'+deps.join( ' --external:' )
-	].join( ' ' );
-	debug( 'Executing command: %s', command );
-	shell( command, opts );
-	command = 'rm -rf tmp';
-	shell( command, opts );
+	// Minify, bundle, and save files to `dist` subdirectory:
+	try {
+		command = 'mkdir dist';
+		shell( command, opts );
+		command = [
+			'npx esbuild lib/index.js --bundle --format=cjs --target=es5',
+			'--sourcemap --minify --platform=node --outfile=dist/index.js',
+			'--external:'+deps.join( ' --external:' )
+		].join( ' ' );
+		debug( 'Executing command: %s', command );
+		shell( command, opts );
+	} catch ( error ) {
+		debug( 'Encountered an error when attempting to bundle the package: %s', error.message );
 
+		// Copy all source files to the `dist` subdirectory to proceed without bundling:
+		command = 'cp -r lib/* dist';
+		shell( command, opts );
+	}
+	// Apply code transformations:
 	jscodeshift = join( rootDir(), 'node_modules', '.bin', 'jscodeshift' );
 	command = 'STDLIB_INPUT_SOURCE_MAP=\'./dist/index.js.map\' STDLIB_PKG=\'@stdlib/'+distPkg+'\' '+jscodeshift+' ./dist/index.js -t '+join( __dirname, 'transform.js' );
 	debug( 'Executing command: %s', command );