1 files changed, 51 insertions, 0 deletions
diff --git a/src/config.ts b/src/config.ts
new file mode 100644
index 0000000..dc3889a
--- /dev/null
+++ b/src/config.ts
@@ -0,0 +1,51 @@
+import dotenv from "dotenv";
+
+if (!process.env.SKIP_DOTENV) {
+  dotenv.config();
+}
+
+class ConfigError extends Error {
+  constructor(message: string) {
+    super(message);
+    this.name = "ConfigError";
+  }
+}
+
+const tgWebhookUrl = process.env.TELEGRAM_WEBHOOK_URL || null;
+if (!tgWebhookUrl) {
+  throw new ConfigError("Missing env var TELEGRAM_WEBHOOK_URL");
+}
+
+const tgBotToken = process.env.TELEGRAM_BOT_TOKEN || null;
+if (!tgBotToken) {
+  throw new ConfigError("Missing env var TELEGRAM_BOT_TOKEN");
+}
+
+const tgUserIds = process.env.TELEGRAM_USER_IDS
+  ? process.env.TELEGRAM_USER_IDS?.split(",")
+    .map(Number.parseInt)
+  : null;
+if (!tgUserIds) {
+  throw new ConfigError("Missing env var TELEGRAM_USER_IDS");
+}
+
+const sheetsSpreadsheetId = process.env.SHEETS_SPREADSHEET_ID || null;
+if (!sheetsSpreadsheetId) {
+  throw new ConfigError("Missing env var SHEETS_SPREADSHEET_ID");
+}
+
+const sheetsRange = process.env.SHEETS_RANGE || null;
+if (!sheetsRange) {
+  throw new ConfigError("Missing env var SHEETS_RANGE");
+}
+
+const config = {
+  port: process.env.PORT ? Number(process.env.PORT) : 3000,
+  tgWebhookUrl,
+  tgBotToken,
+  tgUserIds,
+  sheetsSpreadsheetId,
+  sheetsRange,
+};
+
+export default config;