@bedrock-apis/nbt/dist/shared-D4Le05PG.js

Solid NBT package, with multiple formats

//#region main/shared.ts
const UTF8_DECODER = new TextDecoder();
const UTF8_ENCODER = new TextEncoder();
const UTF8_BUFFER_HELPER = new Uint8Array(32768);
function readVarInt32(cursor) {
	for (let i = 0, shift = 0, num = 0; i < 5; i++, shift += 7) {
		const byte = cursor.buffer[cursor.pointer++];
		num |= (byte & 127) << shift;
		if ((byte & 128) === 0) return num;
	}
	throw new Error("VarInt32 too long: exceeds 5 bytes");
}
function readVarInt64(cursor) {
	for (let i = 0, shift = 0n, num = 0n; i < 10; i++, shift += 7n) {
		const byte = BigInt(cursor.buffer[cursor.pointer++]);
		num |= (byte & 127n) << shift;
		if ((byte & 128n) === 0n) return num;
	}
	throw new Error("VarInt64 too long: exceeds 10 bytes");
}
function writeVarInt32(cursor, n) {
	for (let i = 0; i < 5; i++) {
		if ((n & -128) === 0) return void (cursor.buffer[cursor.pointer++] = n);
		cursor.buffer[cursor.pointer++] = n & 127 | 128;
		n >>>= 7;
	}
}
function writeVarInt64(cursor, n) {
	for (let i = 0; i < 10; i++) {
		if ((n & -128n) === 0n) return void (cursor.buffer[cursor.pointer++] = Number(n));
		cursor.buffer[cursor.pointer++] = Number(n & 127n | 128n);
		n >>= 7n;
	}
	throw new ReferenceError("Exceeded size for VarInt64 max up to 10bytes");
}

//#endregion
export { UTF8_BUFFER_HELPER, UTF8_DECODER, UTF8_ENCODER, readVarInt32, readVarInt64, writeVarInt32, writeVarInt64 };