feat: new logger yo

src/lib/logger.ts

@@ -1,5 +1,6 @@
 import { feature } from "bun:bundle";
 import { InspectColor, styleText } from "node:util";
+
 import { inspect } from "bun";
 
 const colors: InspectColor[] = [
@@ -20,36 +21,55 @@ const colors: InspectColor[] = [
 ];
 var i = 0;
 
-if (!feature("API"))
+if (!feature("prod"))
   console.log(
     colors.map((c, i) => styleText(c, (i + 10).toString(36))).join(""),
   );
 
+export type Logger = {
+  (strings: TemplateStringsArray, ...values: unknown[]): void;
+  error(strings: TemplateStringsArray, ...values: unknown[]): void;
+  warn(strings: TemplateStringsArray, ...values: unknown[]): void;
+  debug(strings: TemplateStringsArray, ...values: unknown[]): void;
+};
+
 export function createLogger(label?: string) {
   const start = Date.now();
   const col = colors[i];
   i = (i + 1) % colors.length;
-  return function log(strings: TemplateStringsArray, ...values: unknown[]) {
-    const normalized = styleText(
-      col,
-      `${(label ?? `${Date.now() - start}ms`).padStart(7)} | ${strings
-        .reduce(
-          (out, str, i) =>
-            out +
-            str +
-            (typeof values[i] === "string"
-              ? values[i]
-              : typeof values[i] !== "undefined"
-                ? inspect(values[i], { colors: true })
-                : ""),
-          "",
-        )
-        .split("\n")
-        .map((l, i) => styleText(col, i ? `${" ".repeat(7)} | ${l}` : l))
-        .join("\n")}\n`,
-    );
-    console.write(normalized);
-  };
+  function mkLogFn(stream: Console | NodeJS.WriteStream, strip?: InspectColor) {
+    return (strings: TemplateStringsArray, ...values: unknown[]) => {
+      const normalized = styleText(
+        col,
+        `${(strip ? styleText : (_: string, s: string) => s)("bold", (label ?? `${Date.now() - start}ms`).padStart(7))} ▌${strip ? styleText(strip, "▌") : " "}${strings
+          .reduce(
+            (out, str, i) =>
+              out +
+              styleText(col, str) +
+              (typeof values[i] === "string"
+                ? values[i]
+                : typeof values[i] !== "undefined"
+                  ? inspect(values[i], { colors: true })
+                  : ""),
+            "",
+          )
+          .split("\n")
+          .map((l, i) =>
+            styleText(
+              col,
+              i
+                ? `${" ".repeat(7)} ▌${strip ? styleText(strip, "▌") : " "}${l}`
+                : l,
+            ),
+          )
+          .join("\n")}\n`,
+      );
+      (stream.write as (data: string) => void)(normalized);
+    };
+  }
+  const log = mkLogFn(console) as Logger;
+  log.error = mkLogFn(process.stderr, "redBright");
+  log.warn = mkLogFn(console, "yellow");
+  log.debug = feature("prod") ? () => {} : mkLogFn(console, "blue");
+  return log;
 }
-
-export type Logger = ReturnType<typeof createLogger>;