Remove dependency on hash-wasm

[coyotte508]

For example https://gist.github.com/coyotte508/3cfa9b011e819bcb4ba9286798c7d33c is the code of a worker, using hash-wasm's internals, but in a standalone file.

It will improve bundled size too, but the main draw is having 0 dependencies.

[coyotte508]

Here's an example of Sha worker code with 0 dependencies:

/**
 * Adapted from https://github.com/Daninet/hash-wasm
 *
 * Copyright (c) 2020 Dani Biró, MIT license
 */

const rawWasm = {
	name: 'sha256',
	data: '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',
	hash: '817d957e',
};

export const MAX_HEAP = 16 * 1024;
const hashLength = 32;

async function base64toUint8Array(base64Str: string) {
	const res = await fetch('data:application/octet-stream;base64,' + base64Str);
	return new Uint8Array(await res.arrayBuffer());
}

if (typeof WebAssembly === 'undefined') {
	throw new Error('WebAssembly is not supported in this environment!');
}

const init = async () => {
	const wasmSource = await base64toUint8Array(rawWasm.data);
	const compiledWasm = await WebAssembly.compile(wasmSource);
	const wasmInstance = await WebAssembly.instantiate(compiledWasm);

	const arrayOffset: number = (wasmInstance.exports.Hash_GetBuffer as any)();
	const memoryBuffer = (wasmInstance.exports.memory as any).buffer;
	const memoryView = new Uint8Array(memoryBuffer, arrayOffset, MAX_HEAP);

	return {
		wasmInstance,
		memoryView,
	};
};

const promise = init();

let ongoing = false;

self.addEventListener('message', async (event) => {
	try {
		if (ongoing) {
			throw new Error('Hashing is already in progress');
		}
		const { file } = event.data as { file: File };

		const { wasmInstance, memoryView } = await promise;

		(wasmInstance.exports.Hash_Init as any)();

		const reader = file.stream().getReader();

		const total = file.size;
		let bytesDone = 0;

		while (true) {
			const { done, value } = await reader.read();

			if (done) {
				break;
			}

			if (value) {
				let read = 0;
				while (read < value.length) {
					const chunk = value.subarray(read, read + MAX_HEAP);
					read += chunk.length;
					memoryView.set(chunk);
					(wasmInstance.exports.Hash_Update as any)(chunk.length);
				}
			}

			bytesDone += value.length;
			postMessage({ progress: bytesDone / total });
		}

		(wasmInstance.exports.Hash_Final as any)(null);

		const hexChars = Array.from(memoryView.slice(0, hashLength))
			.map((i) => i.toString(16).padStart(2, '0'))
			.join('');

		postMessage({ sha256: hexChars });
	} catch (err) {
		// Trick to bubble an error from a promise callback
		// https://stackoverflow.com/a/40081158/835629
		setTimeout(() => {
			throw err;
		});
	} finally {
		ongoing = false;
	}
});