https://github.com/sapphi-red/node-midec

Multi-image detector (Wasm). cf. Animated GIF, APNG, Animated WebP, Animated HEIF/AVIF.
https://github.com/sapphi-red/node-midec

apng avif gif heif png wasm webp

Last synced: 2 months ago
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Multi-image detector (Wasm). cf. Animated GIF, APNG, Animated WebP, Animated HEIF/AVIF.

• Host: GitHub
• URL: https://github.com/sapphi-red/node-midec
• Owner: sapphi-red
• License: mit
• Created: 2021-06-04T02:48:51.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2021-06-09T07:08:37.000Z (almost 4 years ago)
• Last Synced: 2025-03-18T08:57:50.168Z (2 months ago)
• Topics: apng, avif, gif, heif, png, wasm, webp
• Language: Go
• Homepage:
• Size: 88.9 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# node-midec [![npm version](https://badge.fury.io/js/node-midec.svg)](https://badge.fury.io/js/node-midec) [![main (Go)](https://github.com/sapphi-red/node-midec/actions/workflows/main_go.yaml/badge.svg)](https://github.com/sapphi-red/node-midec/actions/workflows/main_go.yaml) [![automatic publish](https://github.com/sapphi-red/node-midec/actions/workflows/release.yaml/badge.svg)](https://github.com/sapphi-red/node-midec/actions/workflows/release.yaml)

Multi-image detector (Wasm). cf. Animated GIF, APNG, Animated WebP, Animated HEIF/AVIF.

Pure Webassembly + JavaScript port of [midec](https://github.com/sapphi-red/midec).

## Installation

```shell

$ npm i node-midec

```

## Example

```js

import { isAnimated } from 'node-midec'

import fs from 'fs/promises'

const filePath = new URL('./animated.gif', import.meta.url)

const file = await fs.readFile(filePath)

const result = await isAnimated(file)

console.log(`animated.gif is ${result ? '' : 'not '}an animated image.`)

```

## Build

```shell

$ cp "$(go env GOROOT)/misc/wasm/wasm_exec.js" ./lib

$ GOOS=js GOARCH=wasm go build -o lib/main.wasm

```