refactor(resize): ♻️ add resize and fit in sharp

Author: mcnaveen

src/index.ts

@@ -4,34 +4,36 @@ import sharp from 'sharp';
 
 export interface IOutput {
     encoded: string;
-    decoded: Uint8ClampedArray;
     width: number;
     height: number;
 }
 
-export const blurhashFromURL = async (url: string) => {
+export const blurhashFromURL = async (url: string, { size = 32 }: { size?: number } = {}) => {
+
     const response = await fetch(url);
     const arrayBuffer = await response.arrayBuffer();
     const returnedBuffer = Buffer.from(arrayBuffer);
 
     const { data, info } = await sharp(returnedBuffer)
+        .resize(size, size, {
+            fit: "inside",
+        })
         .ensureAlpha()
         .raw()
         .toBuffer({
             resolveWithObject: true,
         });
+
     const encoded = encode(
         new Uint8ClampedArray(data),
         info.width,
         info.height,
         4,
         4
     );
-    const decoded = decode(encoded, info.width, info.height);
 
     const output: IOutput = {
         encoded: encoded,
-        decoded: decoded,
         width: info.width,
         height: info.height,
     };

test/index.js

@@ -1,7 +1,9 @@
 const { blurhashFromURL } = require("../dist/index.js");
 
 async function getBlurhash() {
-  const output = await blurhashFromURL("https://i.imgur.com/NhfEdg2.png");
+  const output = await blurhashFromURL("https://i.imgur.com/NhfEdg2.png", {
+    size: 32,
+  });
   console.log(output);
 }