feat: add types for LightLogger compatible with console (#101)

src/core/LightLogger.ts

@@ -0,0 +1,33 @@
+/**
+ * Many libraries use a logger interface to log information about the processing.
+ * This logger is expected to be compatible not only with the one from the `pino` library but
+ * also with the default `console`.
+ * This means that the library can output logs by default to the console and the user can
+ * replace it with a custom logger that implements this interface.
+ */
+export interface LightLogger {
+  trace(obj: Record<string, unknown>, message: string): void;
+  trace(message: string): void;
+  trace(error: Error): void;
+  trace(value: unknown, message?: string): void;
+
+  debug(obj: Record<string, unknown>, message: string): void;
+  debug(message: string): void;
+  debug(error: Error): void;
+  debug(value: unknown, message?: string): void;
+
+  info(obj: Record<string, unknown>, message: string): void;
+  info(message: string): void;
+  info(error: Error): void;
+  info(value: unknown, message?: string): void;
+
+  warn(obj: Record<string, unknown>, message: string): void;
+  warn(message: string): void;
+  warn(error: Error): void;
+  warn(value: unknown, message?: string): void;
+
+  error(obj: Record<string, unknown>, message: string): void;
+  error(message: string): void;
+  error(error: Error): void;
+  error(value: unknown, message?: string): void;
+}

src/core/Logger.d.ts

@@ -1,36 +1,12 @@
+import { LightLogger } from './LightLogger';
+
 /**
- * Many libraries use a logger interface to log information about the processing
+ * Many libraries use a logger interface to log information about the processing.
  * This logger is expected to be compatible with the one from the `pino` library
  */
-
-export interface Logger {
+export interface Logger extends LightLogger {
   child(bindings?: Record<string, any>): Logger;
 
-  trace(obj: Record<string, unknown>, message: string): void;
-  trace(message: string): void;
-  trace(error: Error): void;
-  trace(value: unknown, message?: string): void;
-
-  debug(obj: Record<string, unknown>, message: string): void;
-  debug(message: string): void;
-  debug(error: Error): void;
-  debug(value: unknown, message?: string): void;
-
-  info(obj: Record<string, unknown>, message: string): void;
-  info(message: string): void;
-  info(error: Error): void;
-  info(value: unknown, message?: string): void;
-
-  warn(obj: Record<string, unknown>, message: string): void;
-  warn(message: string): void;
-  warn(error: Error): void;
-  warn(value: unknown, message?: string): void;
-
-  error(obj: Record<string, unknown>, message: string): void;
-  error(message: string): void;
-  error(error: Error): void;
-  error(value: unknown, message?: string): void;
-
   fatal(obj: Record<string, unknown>, message: string): void;
   fatal(message: string): void;
   fatal(error: Error): void;