fix: "slow" types

Author: MKRhere

src/colours.ts

@@ -12,7 +12,7 @@ const colors = [
 ];
 
 // https://github.com/debug-js/debug/blob/4.3.4/src/common.js#L41
-export function selectColour(ns: string) {
+export function selectColour(ns: string): number {
 	let hash = 0;
 
 	for (let i = 0; i < ns.length; i++) {
@@ -23,7 +23,7 @@ export function selectColour(ns: string) {
 	return colors[Math.abs(hash) % colors.length];
 }
 
-export const colourNs = (ns: string) => {
+export const colourNs = (ns: string): string => {
 	const color = selectColour(ns);
 	const r = color >> 16;
 	const g = (color >> 8) & 0xff;

src/env.ts

@@ -1,6 +1,6 @@
 import { context } from "./types.ts";
 
-const getDenoEnv = (variable: string) => {
+const getDenoEnv = (variable: string): string => {
 	const Deno = context.Deno;
 	const state = Deno!.permissions.querySync?.({ name: "env", variable })?.state;
 	if (state === "prompt") return "";
@@ -9,7 +9,7 @@ const getDenoEnv = (variable: string) => {
 
 const deno = "Deno" in globalThis;
 
-export const getEnv = (variable: string) => {
+export const getEnv = (variable: string): string => {
 	if (deno) return getDenoEnv(variable);
 	return context.process?.env[variable] || context.env?.[variable] || "";
 };

src/namespacing.ts

@@ -7,7 +7,7 @@ export class Namespaces {
 		this.update(debugspec);
 	}
 
-	update(debugspec: string) {
+	update(debugspec: string): void {
 		const parsed = this.parsed;
 		const debugs = debugspec.split(/[\s,]+/).map(each => each.trim());
 		for (const item of debugs) {
@@ -28,7 +28,7 @@ export class Namespaces {
 		this.parsed = parsed;
 	}
 
-	check(namespace: string) {
+	check(namespace: string): boolean {
 		const chain = namespace.split(":").map(part => part.trim());
 		let current = this.parsed;
 		let tentative = false;

src/w.ts

@@ -2,12 +2,12 @@ import { context } from "./types.ts";
 import { colourNs, selectColour } from "./colours.ts";
 import { getEnv } from "./env.ts";
 import { Namespaces } from "./namespacing.ts";
-const DEBUG = getEnv("DEBUG");
+const DEBUG: string = getEnv("DEBUG");
 const stderr = context.process?.stderr;
 const useColour = stderr?.isTTY && !getEnv("NO_COLOR");
 const debug = context.console.Console?.(stderr)?.debug || context.console.debug;
 
-export const namespaces = new Namespaces(DEBUG);
+export const namespaces: Namespaces = new Namespaces(DEBUG);
 
 export interface DebugFn {
 	(...args: unknown[]): void;