index.mjs 3.27 KB
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __publicField = (obj, key, value) => {
  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};
var __accessCheck = (obj, member, msg) => {
  if (!member.has(obj))
    throw TypeError("Cannot " + msg);
};
var __privateGet = (obj, member, getter) => {
  __accessCheck(obj, member, "read from private field");
  return getter ? getter.call(obj) : member.get(obj);
};
var __privateAdd = (obj, member, value) => {
  if (member.has(obj))
    throw TypeError("Cannot add the same private member more than once");
  member instanceof WeakSet ? member.add(obj) : member.set(obj, value);
};
var __privateSet = (obj, member, value, setter) => {
  __accessCheck(obj, member, "write to private field");
  setter ? setter.call(obj, value) : member.set(obj, value);
  return value;
};
var __privateWrapper = (obj, member, setter, getter) => {
  return {
    set _(value) {
      __privateSet(obj, member, value, setter);
    },
    get _() {
      return __privateGet(obj, member, getter);
    }
  };
};

// src/lib/Snowflake.ts
var ProcessId = 1n;
var WorkerId = 0n;
var _increment, _epoch;
var Snowflake = class {
  constructor(epoch) {
    __privateAdd(this, _increment, 0n);
    __privateAdd(this, _epoch, void 0);
    __publicField(this, "decode", this.deconstruct);
    __privateSet(this, _epoch, BigInt(epoch instanceof Date ? epoch.getTime() : epoch));
  }
  get epoch() {
    return __privateGet(this, _epoch);
  }
  generate({ increment, timestamp = Date.now(), workerId = WorkerId, processId = ProcessId } = {}) {
    if (timestamp instanceof Date)
      timestamp = BigInt(timestamp.getTime());
    else if (typeof timestamp === "number")
      timestamp = BigInt(timestamp);
    else if (typeof timestamp !== "bigint") {
      throw new TypeError(`"timestamp" argument must be a number, bigint, or Date (received ${typeof timestamp})`);
    }
    if (typeof increment === "bigint" && increment >= 4095n)
      increment = 0n;
    else {
      increment = __privateWrapper(this, _increment)._++;
      if (__privateGet(this, _increment) >= 4095n)
        __privateSet(this, _increment, 0n);
    }
    return timestamp - __privateGet(this, _epoch) << 22n | (workerId & 0b11111n) << 17n | (processId & 0b11111n) << 12n | increment;
  }
  deconstruct(id) {
    const bigIntId = BigInt(id);
    return {
      id: bigIntId,
      timestamp: (bigIntId >> 22n) + __privateGet(this, _epoch),
      workerId: bigIntId >> 17n & 0b11111n,
      processId: bigIntId >> 12n & 0b11111n,
      increment: bigIntId & 0b111111111111n,
      epoch: __privateGet(this, _epoch)
    };
  }
  timestampFrom(id) {
    return Number((BigInt(id) >> 22n) + __privateGet(this, _epoch));
  }
};
__name(Snowflake, "Snowflake");
_increment = new WeakMap();
_epoch = new WeakMap();

// src/lib/DiscordSnowflake.ts
var DiscordSnowflake = new Snowflake(1420070400000n);

// src/lib/TwitterSnowflake.ts
var TwitterSnowflake = new Snowflake(1142974214000n);
export {
  DiscordSnowflake,
  Snowflake,
  TwitterSnowflake
};
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