🚧 WIP

example.ts

@@ -1,4 +1,4 @@
-import { diary, LogFn, type OnEmitFn } from './src/mod.ts';
+import { diary, type LogFn, type OnEmitFn } from './src/mod.ts';
 import { browser, plain, pretty } from './src/output.console.ts';
 import { interpolate } from './src/util.ts';
 
@@ -16,7 +16,10 @@ function example(oe: OnEmitFn) {
 	let user = new User();
 
 	// Example where you may want to create a standard logger and output fn for your application
-	let createLogger = (ctx: { loggerName: string; pid: number }): LogFn<typeof ctx> => {
+	let createLogger = (ctx: {
+		loggerName: string;
+		pid: number;
+	}): LogFn<typeof ctx> => {
 		return diary((level, message, props = {}) => {
 			return oe(level, message, { ...ctx, ...props });
 		});
@@ -42,7 +45,10 @@ function example(oe: OnEmitFn) {
 	log('info', 'this {user} exists', { user });
 	log('info', 'we call that user {name} with {id}', user);
 
-	log('info', 'we also have inherited props like {pid}', { ...user, pid: Deno.pid });
+	log('info', 'we also have inherited props like {pid}', {
+		...user,
+		pid: Deno.pid,
+	});
 
 	log('info', 'this {user} can send more properties than we want', {
 		user,

scripts/build.ts

@@ -64,10 +64,9 @@ await build({
 
 	filterDiagnostic(diag) {
 		let txt = diag.messageText.toString();
-		return !txt.includes(
-			// ignore type error for missing Deno built-in information
-			`Type 'ReadableStream<Event>' must have a '[Symbol.asyncIterator]()' method that returns an async iterator`,
-		) && !txt.includes(
+		// ignore type error for missing Deno built-in information
+
+		return !/Type 'ReadableStream<.*>' must have a/.test(txt) && !txt.includes(
 			`Type 'Timeout' is not assignable to type 'number'.`,
 		);
 	},

src/mod.ts

@@ -17,5 +17,5 @@ export interface LogFn<Ctx = unknown> {
 }
 
 export function diary(onEmit: OnEmitFn): LogFn<unknown> {
-	return onEmit.bind(onEmit);
+	return onEmit;
 }

src/output.console.ts

@@ -1,3 +1,4 @@
+import { magenta } from 'jsr:@std/fmt@^0.224.0/colors';
 import type { Level } from './mod.ts';
 import { interpolate } from './util.ts';
 
@@ -22,33 +23,26 @@ function log(out: string, level: Level, message: string, props = {}) {
 	console[level === 'fatal' ? 'error' : level](out, ...args);
 }
 
-export function browser(
-	level: Level,
-	message: string,
-	props?: object | undefined,
-) {
+export function browser(level: Level, message: string, props?: object | undefined) {
 	log('', level, message, props);
 }
 
-export function plain(
-	level: Level,
-	message: string,
-	props?: object | undefined,
-) {
+export function plain(level: Level, message: string, props?: object | undefined) {
 	log(LEVELS[level], level, message, props);
 }
 
-export function pretty(
-	level: Level,
-	message: string,
-	props?: object | undefined,
-) {
+export function pretty(level: Level, message: string, props?: object | undefined) {
 	let l = LEVELS[level] as string;
-	if (level === 'debug') l = gray(l);
-	if (level === 'info') l = blue(l);
-	if (level === 'warn') l = yellow(l);
-	if (level === 'error') l = red(l);
-	if (level === 'fatal') l = bold(red(l));
+
+	// deno-fmt-ignore
+	switch (level) {
+		case 'log': l = gray(l); break;
+		case 'debug': l = magenta(l); break;
+		case 'warn': l = yellow(l); break;
+		case 'info': l = blue(l); break;
+		case 'error': l = red(l); break;
+		case 'fatal': l = bold(red(l)); break;
+	}
 
 	log(l, level, message, props);
 }

src/util.ts

@@ -1,8 +1,8 @@
-export type Pretty<T> = { [K in keyof T]: T[K] } & {};
+export type Pretty<T> = { [K in keyof T]: T[K] } & unknown;
 
 export type Props<T> = T extends `${string}{${infer S}}${infer Rest}`
 	? { [K in S]: unknown } & Props<Rest>
-	: {};
+	: unknown;
 
 // @internal
 export type Dict<T = unknown> = Record<string, T>;