Insanely quick ID3 reading & writing for JavaScript powered by WebAssembly.
Demos can be found on id3-rw's website.
import { getMetadataFrom } from 'id3-rw'
const url = 'https://upload.wikimedia.org/wikipedia/commons/b/bd/%27Tis_a_faded_picture_by_Florrie_Forde.mp3'
await fetch(url).then(async response => {
const stream = response.body
const metadata = await getMetadataFrom(stream)
expectToContain(metadata, {
artist: "Florrie Forde\r",
title: "'Tis a faded picture\r",
album: "Edison Amberol: 12255\r"
})
// IMPORTANT! Always remember to destroy the metadata
// after you've got the properties you need,
// else you'll get a memory leak!
metadata.free()
})import { createTagControllerFrom } from 'id3-rw'
await fetch('https://upload.wikimedia.org/wikipedia/commons/b/bd/%27Tis_a_faded_picture_by_Florrie_Forde.mp3').then(async response => {
const buffer = new Uint8Array(await response.arrayBuffer())
const tagController = await createTagControllerFrom(buffer)
// Getting metadata using the controller API
const metadata = tagController.getMetadata()
expectToContain(metadata, {
artist: 'Florrie Forde\r',
title: '\'Tis a faded picture\r',
album: 'Edison Amberol: 12255\r'
})
metadata.free()
// Changing the metadata
tagController.setYear(1910)
// Getting the resulting Uint8Array (the tagged file's buffer),
// which can be used with the File System API or for a download
const taggedBuffer = tagController.putTagInto(buffer)
expectToEqual(taggedBuffer.length > 0, true)
// IMPORTANT! Don't forget to destroy the tagController!
tagController.free()
})See generated docs.
Clone this repository. You should setup & build the Rust project by running make setup and make build.
To run the examples locally, you need to cd into www and run npm start.
Now you should be able to access the examples at localhost:8080.
If you have any questions, feel free to open an issue!
This library uses a patched version of the rust-id3 library, so most of the hard work was done by its developer polyfloyd. Thank you!
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