✨ Add Async Versions

Author: UltiRequiem

README.md

@@ -15,18 +15,19 @@ You can get this package by [nest.land](https://nest.land/package/fibonacci) or
 
 ## Usage
 
-This package exposes two Functions,
-[fibonacci](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L1)
-and
-[fibonacciSequence](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L15).
+This package exposes four functions,
+[fibonacci](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L6),
+[fibonacciSequence](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L15),
+[fibonacciSync](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L24) and
+[fibonacciSync](https://github.com/UltiRequiem/fibonacci-deno/blob/main/mod.ts#L43).
 
 ```typescript
 import fibonacci, {
   fibonacciSequence,
 } from "https://deno.land/x/fibonacci/mod.ts";
 
-console.log(fibonacci(9)); // 34
-console.log(fibonacciSequence(4)); // [ 0, 1, 1, 2]
+console.log(await fibonacci(9)); // 34
+console.log(await fibonacciSequence(4)); // [ 0, 1, 1, 2]
 ```
 
 ### CLI Tool

cli.ts

@@ -1,8 +1,8 @@
-import { parse } from "https://deno.land/std/flags/mod.ts";
+import { parse } from "https://deno.land/std@0.109.0/flags/mod.ts";
 
 import fibonacci, { fibonacciSequence } from "./mod.ts";
 
-function Exec() {
+async function main() {
   const { number, sequence, help } = parse(Deno.args);
 
   if (!number && !sequence || help) {
@@ -20,14 +20,15 @@ For more help check https://github.com/UltiRequiem/fibonacci-deno`;
   }
 
   if (number) {
-    console.log(fibonacci(number));
+    console.log(await fibonacci(number));
   }
 
   if (sequence) {
-    console.table(fibonacciSequence(sequence));
+    const numbers = await fibonacciSequence(sequence);
+    numbers.forEach((num) => console.log(num));
   }
 }
 
 if (import.meta.main) {
-  Exec();
+  main();
 }

egg.json

@@ -4,7 +4,7 @@
   "entry": "./mod.ts",
   "description": "🦕 Fibonacci Number and Sequence Utilities",
   "homepage": "https://github.com/UltiRequiem/fibonacci-deno",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "releaseType": "patch",
   "unstable": false,
   "unlisted": false,

mod.ts

@@ -3,30 +3,48 @@
  * @param n The Nth Fibonacci Number you want to get
  * @returns The Nth Fibonacci Number
  */
-export default function fibonacci(n: number): number {
+export default function fibonacci(n: number): Promise<number> {
+  return Promise.resolve(fibonacciSync(n));
+}
+
+/**
+ * Return an Array with the first N numbers of the Fibonacci Sequence
+ * @param  length The length of the array you want to get
+ * @returns The Array with the first N numbers of the Fibonacci Sequence
+ */
+export function fibonacciSequence(length: number): Promise<number[]> {
+  return Promise.resolve(fibonacciSequenceSync(length));
+}
+
+/**
+ * Returns the Nth Fibonacci Number
+ * @param n The Nth Fibonacci Number you want to get
+ * @returns The Nth Fibonacci Number
+ */
+export function fibonacciSync(n: number): number {
   if (n < 0) {
     throw new Error(`Expected a number bigger than zero, but got ${n}.`);
   }
 
-  if (fibonacci.cache[n] === undefined) {
-    fibonacci.cache[n] = fibonacci(n - 1) + fibonacci(n - 2);
+  if (fibonacciSync.cache[n] === undefined) {
+    fibonacciSync.cache[n] = fibonacciSync(n - 1) + fibonacciSync(n - 2);
   }
 
-  return fibonacci.cache[n];
+  return fibonacciSync.cache[n];
 }
 
-fibonacci.cache = [0, 1, 1];
+fibonacciSync.cache = [0, 1, 1];
 
 /**
  * Return an Array with the first N numbers of the Fibonacci Sequence
  * @param  length The length of the array you want to get
  * @returns The Array with the first N numbers of the Fibonacci Sequence
  */
-export function fibonacciSequence(length: number): number[] {
+export function fibonacciSequenceSync(length: number): number[] {
   const sequence = [];
 
   for (let i = 0; i < length; i++) {
-    sequence[i] = fibonacci(i);
+    sequence[i] = fibonacciSync(i);
   }
 
   return sequence;

mod_test.ts

@@ -1,10 +1,10 @@
 import { assertEquals } from "./test_deps.ts";
 import fibonacci, { fibonacciSequence } from "./mod.ts";
 
-Deno.test("Test Fibonacci", () => {
-  assertEquals(fibonacci(4), 3);
+Deno.test("Test Fibonacci", async() => {
+  assertEquals(await fibonacci(4), 3);
 });
 
-Deno.test("Test Fibonacci Sequence", () => {
-  assertEquals(fibonacciSequence(3), [0, 1, 1]);
+Deno.test("Test Fibonacci Sequence",async () => {
+  assertEquals(await fibonacciSequence(3), [0, 1, 1]);
 });