Initial Version (Working relay implementing basic functionality)

utils/logs.ts

@@ -0,0 +1,75 @@
+import * as colors from "jsr:@std/fmt@^1.0.4/colors";
+import * as log from "jsr:@std/log";
+import { getEveFilePath } from "./files.ts";
+export * as log from "jsr:@std/log";
+
+export async function setupLogger() {
+  const formatLevel = (level: number): string => {
+    return (
+      {
+        10: colors.gray("[DEBUG]"),
+        20: colors.green("[INFO] "),
+        30: colors.yellow("[WARN] "),
+        40: colors.red("[ERROR]"),
+        50: colors.bgRed("[FATAL]"),
+      }[level] || `[LVL${level}]`
+    );
+  };
+
+  const levelName = (level: number): string => {
+    return {
+      10: "DEBUG",
+      20: "INFO",
+      30: "WARN",
+      40: "ERROR",
+      50: "FATAL",
+    }[level] || `LVL${level}`;
+  };
+
+  const formatArg = (arg: unknown): string => {
+    if (typeof arg === "object") return JSON.stringify(arg);
+    return String(arg);
+  };
+
+  await log.setup({
+    handlers: {
+      console: new log.ConsoleHandler("DEBUG", {
+        useColors: true,
+        formatter: (record) => {
+          const timestamp = new Date().toISOString();
+          let msg = `${colors.dim(`[${timestamp}]`)} ${
+            formatLevel(record.level)
+          } ${record.msg}`;
+
+          if (record.args.length > 0) {
+            const args = record.args
+              .map((arg, i) => `${colors.dim(`arg${i}:`)} ${formatArg(arg)}`)
+              .join(" ");
+            msg += ` ${colors.dim("|")} ${args}`;
+          }
+
+          return msg;
+        },
+      }),
+      file: new log.FileHandler("DEBUG", {
+        filename: Deno.env.get("LOG_FILE") ||
+          await getEveFilePath("eve-logs.jsonl"),
+        formatter: (record) => {
+          const timestamp = new Date().toISOString();
+          return JSON.stringify({
+            timestamp,
+            level: levelName(record.level),
+            msg: record.msg,
+            args: record.args,
+          });
+        },
+      }),
+    },
+    loggers: {
+      default: {
+        level: "DEBUG",
+        handlers: ["console", "file"],
+      },
+    },
+  });
+}