chore: Add license headers

Centralizes vite configuration to be able to add license banners to
outputs in one place.

1 files changed, 67 insertions, 0 deletions

diff --git a/config/vite-common.js b/config/vite-common.js
new file mode 100644
index 0000000..7d8e6a4
--- /dev/null
+++ b/config/vite-common.js
@@ -0,0 +1,67 @@
+// @ts-check
+
+// `resolveJsonModule` is disabled for this package, but vite will load the json nevertheless.
+// @ts-expect-error
+import { chrome as chromeVersion, node as nodeVersion } from '../.electron-vendors.cache.json';
+
+/** @type string */
+const banner = `/*!
+ * Copyright (C)  2021-2022 Sophie contributors
+ *
+ * This file is part of Sophie.
+ *
+ * Sophie is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+`;
+
+/** @type string */
+export const chrome = `chrome${chromeVersion}`;
+
+/** @type string */
+export const node = `node${nodeVersion}`;
+
+/**
+ * Extends a vite configuration with common options.
+ *
+ * @param config {import('vite').UserConfig} The configuration to extend.
+ * @return {import('vite').UserConfig} The configuration extended with common options.
+ */
+export function makeConfig(config) {
+  return {
+    mode: process.env.NODE,
+    envDir: process.cwd(),
+    ...config,
+    build: {
+      assetsDir: '.',
+      outDir: 'dist',
+      emptyOutDir: true,
+      sourcemap: true,
+      minify: process.env.MODE !== 'development',
+      brotliSize: false,
+      ...config.build,
+      lib: (typeof config.build.lib === 'object') ? {
+        fileName: (format) => format === 'cjs' ? 'index.cjs' : `index.${format}.js`,
+        ...config.build.lib,
+      } : undefined,
+      rollupOptions: {
+        ...config.build?.rollupOptions,
+        output: {
+          banner,
+          ...config.build?.rollupOptions?.output,
+        },
+      },
+    },
+  };
+}