feat: adding pure annotation for better tree shaking

src/handler/dependencies/lifetimeFunctions.ts

@@ -22,6 +22,7 @@ export function single<T extends NotFunction>(cb: T): () => T;
  */
 export function single<T extends () => unknown>(cb: T): T;
 /**
+ * @__PURE__
  * Please note that on intellij, the deprecation is for all signatures, which is unintended behavior (and
  * very annoying).
  * For future versions, ensure that single is being passed as a **callback!!**
@@ -39,6 +40,7 @@ export function single<T>(cb: T) {
 export function transient<T extends NotFunction>(cb: T): () => () => T;
 export function transient<T extends () => () => unknown>(cb: T): T;
 /**
+ * @__PURE__
  * Following iti's singleton and transient implementation,
  * use transient if you want a new dependency every time your container getter is called
  * @param cb
@@ -49,6 +51,7 @@ export function transient<T>(cb: (() => () => T) | T) {
 }
 
 /**
+ * @__PURE__
  * @deprecated
  * @param value
  * Please use the transient function instead

src/handler/utilities/functions.ts

@@ -5,6 +5,7 @@ import { Err, Ok } from 'ts-results-es';
  * A function that returns whatever value is provided.
  * Warning: this evaluates { @param value }. It does not defer a value.
  * @param value
+ * @__PURE__
  */
 // prettier-ignore
 export const _const = <T>(value: T) => () => value;

tsup.config.js

@@ -13,7 +13,6 @@ export default defineConfig([
         target: 'node16',
         tsconfig: './tsconfig-esm.json',
         outDir: './dist/esm',
-        external: ['discord.js'],
         treeshake: true,
         outExtension() {
             return {
@@ -25,7 +24,6 @@ export default defineConfig([
     {
         format: 'cjs',
         splitting: false,
-        external: ['discord.js'],
         target: 'node16',
         tsconfig: './tsconfig-cjs.json',
         outDir: './dist/cjs',