cli: add new role-based build command

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/cli/src/commands/build/command.ts

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2020 The Backstage Authors
+ *
+ * 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 { Command } from 'commander';
+import { buildPackage, Output } from '../../lib/builder';
+import { PackageRoleName, readRoleForCommand } from '../../lib/role';
+
+const bundledRoles: PackageRoleName[] = ['app', 'backend'];
+
+const esmPlatforms = ['web', 'common'];
+const cjsPlatforms = ['node', 'common'];
+
+export async function command(cmd: Command): Promise<void> {
+  const roleInfo = await readRoleForCommand(cmd);
+
+  if (bundledRoles.includes(roleInfo.role)) {
+    throw new Error(
+      `Build command is not supported for package role '${roleInfo.role}'`,
+    );
+  }
+
+  const outputs = new Set<Output>();
+
+  if (cjsPlatforms.includes(roleInfo.platform)) {
+    outputs.add(Output.cjs);
+  }
+  if (esmPlatforms.includes(roleInfo.platform)) {
+    outputs.add(Output.esm);
+  }
+  if (roleInfo.role !== 'cli') {
+    outputs.add(Output.types);
+  }
+
+  await buildPackage({
+    outputs,
+    minify: Boolean(cmd.minify),
+    useApiExtractor: Boolean(cmd.experimentalTypeBuild),
+  });
+}

packages/cli/src/commands/build/index.ts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * 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.
+ */
+
+export { command } from './command';

packages/cli/src/commands/index.ts

@@ -131,7 +131,7 @@ export function registerCommands(program: CommanderStatic) {
     .option('--outputs <formats>', 'List of formats to output [types,cjs,esm]')
     .option('--minify', 'Minify the generated code')
     .option('--experimental-type-build', 'Enable experimental type build')
-    .action(lazy(() => import('./build').then(m => m.default)));
+    .action(lazy(() => import('./oldBuild').then(m => m.default)));
 
   program
     .command('lint')
@@ -224,6 +224,13 @@ export function registerCommands(program: CommanderStatic) {
     )
     .action(lazy(() => import('./bundle').then(m => m.command)));
 
+  script
+    .command('build')
+    .description('Build a package for publishing')
+    .option('--minify', 'Minify the generated code')
+    .option('--experimental-type-build', 'Enable experimental type build')
+    .action(lazy(() => import('./build').then(m => m.command)));
+
   script
     .command('start')
     .description('Start a package for local development')