😱 Dead fast thumbnail library for browser and NodeJs! Built with Rust 🦀 and WebAssembly 🕸

Victor Aremu

Last update: Dec 2, 2022

Related tags

Image processing thumbo-core

Overview

`thumbo-core`

😱 Dead fast thumbnail library for browser and NodeJs

_{Built with Rust

🦀
& WebAssembly

🕸}

📖 About

thumbo-core is a thubnail library for browsers and NodeJs, built with Rust and WebAssembly in other to achieve closer to native speed!

It supports thumbnail generation for Png, Jpeg, Gif, Ico, Webp and Svg! Webp support is a work in progress.

📣 If you plan to use thumbo-core, it should be used with a Webworker so you don't block the main thread! If you don't want to go through this hassle, use thumbo, it provides a worker pool to handle thumbnail generation using thumbo-core out of the box.

🚴 Usage

🧪 Sample usage

import * as thumbo from "thumbo-core";

const img = await fetch("/path/to/img.png");

const thumbnail = thumbo.thumbnail(
  new Uint8Array(await img.arrayBuffer()),
  thumbo.ImageFormat.Png,
  20,
  20
);

const thumbnail_blob = new Blob([thumbnail], { type: "image/png" });
const url = URL.createObjectURL(thumbnail_blob);

document.getElementById("img").src = url;

⚙️ API Reference

`thumbo.ImageFormat`

An enum of image formats supported by thumbo-core.

thumbo.thumbnail(image_buffer: Uint8Array, format: thumbo.ImageFormat, width, height)

Creates a thumbnail from the provided image buffer.

👷🏽 Development

🛠️ Build with `wasm-pack build`

wasm-pack build

🔬 Test in Headless Browsers with `wasm-pack test`

wasm-pack test --headless --chrome

🎁 Publish to NPM with `wasm-pack publish`

wasm-pack publish

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[ImgBot] Optimize images

Beep boop. Your images are optimized!

Your image file size has been reduced by 7% 🎉

Details

| File | Before | After | Percent reduction | |:--|:--|:--|:--| | /examples/src/images/content/logo.png | 1.86kb | 1.57kb | 15.72% | | /examples/src/images/content/passport.jpg | 8,753.80kb | 8,129.45kb | 7.13% | | /examples/src/images/content/wallpaper.jpg | 4,895.76kb | 4,618.82kb | 5.66% | | | | | | | Total : | 13,651.41kb | 12,749.84kb | 6.60% |

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