First commit

src/lib/config.ts

@@ -0,0 +1,45 @@
+import z from "zod";
+import { readFileSync } from "node:fs";
+import { parse as yamlParse } from "yaml";
+import { EOL } from "node:os";
+
+const schema = z.object({
+  earthquake: z.object({
+    requireMaxScale: z.union([
+      z.literal(10),
+      z.literal(20),
+      z.literal(30),
+      z.literal(40),
+      z.literal(45),
+      z.literal(50),
+      z.literal(55),
+      z.literal(60),
+      z.literal(70),
+    ]),
+    useHistoryData: z.boolean(),
+    reconnectInterval: z.number().positive(),
+  }),
+  mtweet: z.object({
+    token: z.string().length(64),
+    userid: z.string().min(1),
+  }),
+  post: z.object({
+    maxRetries: z.number().int().positive(),
+    retryInterval: z.number().positive(),
+    maxLength: z.number().int().nonnegative().max(10000),
+  }),
+  debug: z.boolean().optional(),
+});
+
+const configFile = readFileSync(`${import.meta.dirname}/../../config/config.yaml`, "utf-8");
+const configObj = yamlParse(configFile);
+const result = schema.safeParse(configObj);
+
+if (!result.success) {
+  console.error("Config: configが無効です。");
+  console.error(`  ${result.error.issues.map(issue => issue.message).join(EOL).replaceAll(EOL, `${EOL}  `)}`);
+  process.exit(1);
+}
+
+const config = result.data;
+export default config;