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@tenpi/jxl
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An easy experience for encoding and decoding WebP images in the browser. Powered by WebAssembly ⚡️.
Uses the libwebp library.
A jSquash package. Codecs and supporting code derived from the Squoosh app.
npm install --save @jsquash/webp
# Or your favourite package manager alternative
Note: You will need to either manually include the wasm files from the codec directory or use a bundler like WebPack or Rollup to include them in your app/server.
Decodes WebP binary ArrayBuffer to raw RGB image data.
Type: ArrayBuffer
import { decode } from '@jsquash/webp';
const formEl = document.querySelector('form');
const formData = new FormData(formEl);
// Assuming user selected an input WebP file
const imageData = await decode(await formData.get('image').arrayBuffer());
Encodes raw RGB image data to WebP format and resolves to an ArrayBuffer of binary data.
Type: ImageData
Type: Partial<EncodeOptions>
The WebP encoder options for the output image. See default values.
import { encode } from '@jsquash/webp';
async function loadImage(src) {
const img = document.createElement('img');
img.src = src;
await new Promise(resolve => img.onload = resolve);
const canvas = document.createElement('canvas');
[canvas.width, canvas.height] = [img.width, img.height];
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
return ctx.getImageData(0, 0, img.width, img.height);
}
const rawImageData = await loadImage('/example.png');
const webpBuffer = await encode(rawImageData);
In most situations there is no need to manually initialise the provided WebAssembly modules. The generated glue code takes care of this and supports most web bundlers.
One exception is CloudFlare workers. The environment at this time (this could change in the future) does not allow code to be dynamically imported. It needs to be bundled at runtime. WASM modules are set as global variables. See the Cloudflare workers example.
The encode
and decode
modules both export an init
function that can be used to manually load the wasm module.
import decode, { init as initWebpDecode } from '@jsquash/webp/decode';
const WASM_MODULE = // A WebAssembly.Module object of the compiled wasm binary
initWebpDecode(WASM_MODULE);
const image = await fetch('./image.webp').then(res => res.arrayBuffer()).then(decode);
FAQs
Wasm jxl encoder and decoder supporting the browser. Repackaged from Squoosh App.
The npm package @tenpi/jxl receives a total of 13 weekly downloads. As such, @tenpi/jxl popularity was classified as not popular.
We found that @tenpi/jxl demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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