cjs to mjs

README.md

@@ -15,12 +15,12 @@ npm install --save image-hide
 ```
 
 ```javascript
-const fs = require('fs')
-const hide = require('image-hide')
+import { promises as fs } from 'fs'
+import hide from 'image-hide'
 
 // Size (width & height) of these images should be same.
-let imageA = fs.readFileSync('a.png')
-let imageB = fs.readFileSync('b.png')
+let imageA = await fs.readFile('a.png')
+let imageB = await fs.readFile('b.png')
 
-fs.writeFileSync('result.png', Buffer.from(hide(imageA, imageB)))
+await fs.writeFile('result.png', Buffer.from(hide(imageA, imageB)))
 ```

index.js → index.mjs

@@ -1,7 +1,7 @@
-const decode = require('image-decode')
-const encode = require('image-encode')
+import decode from 'image-decode'
+import encode from 'image-encode'
 
-function hide(foreground, background) {
+export default function hide(foreground, background) {
     let image_a = decode(foreground)
     let image_b = decode(background)
     if (image_a.height != image_b.height || image_a.width !== image_b.width) {
@@ -30,5 +30,3 @@ function hide(foreground, background) {
 function getPixelAvg(r, g, b, a, bg = 0) {
     return (r + g + b) / 3 * (a / 255) + bg * (1 - a / 255)
 }
-
-module.exports = hide