exif-wasm
v0.1.1
Published
Extracts Exif metadata from images using WebAssembly. Uses the Rust package [kamadak-exif](https://crates.io/crates/kamadak-exif) internally for parsing and extracting the Exif metadata.
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exif-wasm
Extracts Exif metadata from images using WebAssembly. Uses the Rust package kamadak-exif internally for parsing and extracting the Exif metadata.
Supported formats:
- JPEG
- PNG
- TIFF
- WebP
- HEIF (HEIC and AVIF)
Installation
This package can be installed via:
npm install --save exif-wasm
Usage
import init, { get_exif } from 'exif-wasm';
// Initialize the Exif WebAssembly module
init()
.then(() => console.debug('Exif WebAssembly module loaded'))
.catch(error => console.error('Exif WebAssembly module failed to load with error:', error));
// Download the image & extract Exif metadata
fetch('image.jpg')
.then(res => res.buffer())
.then(bytes => new Uint8Array(bytes))
.then(array => get_exif(array))
.then(console.log);
The output will be in the format:
let exif = {
success: true,
error_type: null,
error_message: null,
fields: [
{
tag: {
id: 306,
name: "File change date and time",
default_value: null
},
value: "2022-12-31 12:00:00"
},
...
]
}