@jsprismarine/prismarine
Version:
Dedicated Minecraft Bedrock Edition server written in TypeScript
87 lines (84 loc) • 10.9 kB
JavaScript
import BinaryStream from '@jsprismarine/jsbinaryutils';
import { randomUUID } from 'node:crypto';
class UUID {
parts = [];
version;
constructor(part1 = 0, part2 = 0, part3 = 0, part4 = 0, version = 4) {
this.parts = [part1, part2, part3, part4];
this.version = version || (this.parts[1] & 61440) >> 12;
}
equals(uuid) {
return this.parts.length === uuid.parts.length && this.parts.every((value, index) => value === uuid.parts[index]);
}
/**
* Creates an UUID from a string hex representation
*/
static fromString(uuid, version = 4) {
if (!uuid) throw new Error("uuid is null or undefined");
return UUID.fromBinary(Buffer.from(uuid.trim().replaceAll("-", ""), "hex"), version);
}
/**
* Creates an UUID from a binary representation
*/
static fromBinary(uuid, version) {
if (uuid.byteLength !== 16) {
throw new Error("UUID must have 16 bytes");
}
const stream = new BinaryStream(uuid);
return new UUID(stream.readInt(), stream.readInt(), stream.readInt(), stream.readInt(), version);
}
/**
* Generates a random UUIDv4 (string)
*/
static randomString() {
return randomUUID({
disableEntropyCache: true
});
}
/**
* Generates a random UUIDv4
*/
static fromRandom() {
const stringUUID = UUID.randomString();
return UUID.fromString(stringUUID, 4);
}
toBinary() {
const stream = new BinaryStream();
stream.writeInt(this.parts[0]);
stream.writeInt(this.parts[1]);
stream.writeInt(this.parts[2]);
stream.writeInt(this.parts[3]);
return stream.getBuffer();
}
toString() {
const hex = this.toBinary().toString("hex");
const parts = [];
parts.push(hex.slice(0, 8));
parts.push(hex.slice(8, 8 + 4));
parts.push(hex.slice(12, 12 + 4));
parts.push(hex.slice(16, 16 + 4));
parts.push(hex.slice(20, 20 + 12));
return parts.join("-");
}
getVersion() {
return this.version;
}
getParts() {
return this.parts;
}
networkSerialize(stream) {
stream.writeIntLE(this.parts[1]);
stream.writeIntLE(this.parts[0]);
stream.writeIntLE(this.parts[3]);
stream.writeIntLE(this.parts[2]);
}
static networkDeserialize(stream) {
const part1 = stream.readIntLE();
const part0 = stream.readIntLE();
const part3 = stream.readIntLE();
const part2 = stream.readIntLE();
return new UUID(part0, part1, part2, part3);
}
}
export { UUID as default };
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"UUID.es.js","sources":["../../src/utils/UUID.ts"],"sourcesContent":["import BinaryStream from '@jsprismarine/jsbinaryutils';\nimport { randomUUID } from 'node:crypto';\n\nexport default class UUID {\n    private readonly parts: number[] = [];\n    private readonly version: number;\n\n    public constructor(part1 = 0, part2 = 0, part3 = 0, part4 = 0, version = 4) {\n        this.parts = [part1, part2, part3, part4];\n        this.version = version || (this.parts[1]! & 0xf000) >> 12;\n    }\n\n    public equals(uuid: UUID): boolean {\n        return (\n            this.parts.length === uuid.parts.length && this.parts.every((value, index) => value === uuid.parts[index])\n        );\n    }\n\n    /**\n     * Creates an UUID from a string hex representation\n     */\n    public static fromString(uuid: string, version = 4): UUID {\n        if (!uuid) throw new Error('uuid is null or undefined');\n\n        return UUID.fromBinary(Buffer.from(uuid.trim().replaceAll('-', ''), 'hex'), version);\n    }\n\n    /**\n     * Creates an UUID from a binary representation\n     */\n    public static fromBinary(uuid: Buffer, version: number): UUID {\n        if (uuid.byteLength !== 16) {\n            throw new Error('UUID must have 16 bytes');\n        }\n\n        const stream = new BinaryStream(uuid);\n        return new UUID(stream.readInt(), stream.readInt(), stream.readInt(), stream.readInt(), version);\n    }\n\n    /**\n     * Generates a random UUIDv4 (string)\n     */\n    public static randomString(): string {\n        return randomUUID({\n            disableEntropyCache: true\n        });\n    }\n\n    /**\n     * Generates a random UUIDv4\n     */\n    public static fromRandom(): UUID {\n        const stringUUID = UUID.randomString();\n        return UUID.fromString(stringUUID, 4);\n    }\n\n    public toBinary(): Buffer {\n        const stream = new BinaryStream();\n        stream.writeInt(this.parts[0]!);\n        stream.writeInt(this.parts[1]!);\n        stream.writeInt(this.parts[2]!);\n        stream.writeInt(this.parts[3]!);\n        return stream.getBuffer();\n    }\n\n    public toString(): string {\n        const hex = this.toBinary().toString('hex');\n\n        // Xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx 8-4-4-4-12\n        const parts = [];\n        parts.push(hex.slice(0, 8));\n        parts.push(hex.slice(8, 8 + 4));\n        parts.push(hex.slice(12, 12 + 4));\n        parts.push(hex.slice(16, 16 + 4));\n        parts.push(hex.slice(20, 20 + 12));\n        return parts.join('-');\n    }\n\n    public getVersion(): number {\n        return this.version;\n    }\n\n    public getParts(): number[] {\n        return this.parts;\n    }\n\n    public networkSerialize(stream: any): void {\n        stream.writeIntLE(this.parts[1]);\n        stream.writeIntLE(this.parts[0]);\n        stream.writeIntLE(this.parts[3]);\n        stream.writeIntLE(this.parts[2]);\n    }\n\n    public static networkDeserialize(stream: any): UUID {\n        const part1 = stream.readIntLE();\n        const part0 = stream.readIntLE();\n        const part3 = stream.readIntLE();\n        const part2 = stream.readIntLE();\n        return new UUID(part0, part1, part2, part3);\n    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