vtf-js/dist/addons/compress/fflate.js

A javascript IO library for the Valve Texture Format.

import { inflateSync, deflateSync } from 'fflate';
import { setCompressionMethod } from '../../core/utils.js';
import { VCompressionMethods } from '../../core/enums.js';
setCompressionMethod(
// Compress
(data, method, level) => {
    if (method !== VCompressionMethods.Deflate)
        throw Error('vtf-js: fflate backend only supports Deflate compression!');
    return deflateSync(data, { level: level });
}, 
// Decompress
(data, method, level) => {
    if (method !== VCompressionMethods.Deflate)
        throw Error('vtf-js: fflate backend only supports Deflate decompression!');
    return inflateSync(data);
});