193 lines
No EOL
6.6 KiB
JavaScript
193 lines
No EOL
6.6 KiB
JavaScript
'use strict';
|
|
|
|
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;
|
|
};
|
|
|
|
// src/lib/Snowflake.ts
|
|
var IncrementSymbol = Symbol("@sapphire/snowflake.increment");
|
|
var EpochSymbol = Symbol("@sapphire/snowflake.epoch");
|
|
var ProcessIdSymbol = Symbol("@sapphire/snowflake.processId");
|
|
var WorkerIdSymbol = Symbol("@sapphire/snowflake.workerId");
|
|
var MaximumWorkerId = 0b11111n;
|
|
var MaximumProcessId = 0b11111n;
|
|
var MaximumIncrement = 0b111111111111n;
|
|
var _a, _b, _c, _d;
|
|
var Snowflake = class {
|
|
/**
|
|
* @param epoch the epoch to use
|
|
*/
|
|
constructor(epoch) {
|
|
/**
|
|
* Alias for {@link deconstruct}
|
|
*/
|
|
// eslint-disable-next-line @typescript-eslint/unbound-method
|
|
__publicField(this, "decode", this.deconstruct);
|
|
/**
|
|
* Internal reference of the epoch passed in the constructor
|
|
* @internal
|
|
*/
|
|
__publicField(this, _a);
|
|
/**
|
|
* Internal incrementor for generating snowflakes
|
|
* @internal
|
|
*/
|
|
__publicField(this, _b, 0n);
|
|
/**
|
|
* The process ID that will be used by default in the generate method
|
|
* @internal
|
|
*/
|
|
__publicField(this, _c, 1n);
|
|
/**
|
|
* The worker ID that will be used by default in the generate method
|
|
* @internal
|
|
*/
|
|
__publicField(this, _d, 0n);
|
|
this[EpochSymbol] = BigInt(epoch instanceof Date ? epoch.getTime() : epoch);
|
|
}
|
|
/**
|
|
* The epoch for this snowflake
|
|
*/
|
|
get epoch() {
|
|
return this[EpochSymbol];
|
|
}
|
|
/**
|
|
* Gets the configured process ID
|
|
*/
|
|
get processId() {
|
|
return this[ProcessIdSymbol];
|
|
}
|
|
/**
|
|
* Sets the process ID that will be used by default for the {@link generate} method
|
|
* @param value The new value, will be coerced to BigInt and masked with `0b11111n`
|
|
*/
|
|
set processId(value) {
|
|
this[ProcessIdSymbol] = BigInt(value) & MaximumProcessId;
|
|
}
|
|
/**
|
|
* Gets the configured worker ID
|
|
*/
|
|
get workerId() {
|
|
return this[WorkerIdSymbol];
|
|
}
|
|
/**
|
|
* Sets the worker ID that will be used by default for the {@link generate} method
|
|
* @param value The new value, will be coerced to BigInt and masked with `0b11111n`
|
|
*/
|
|
set workerId(value) {
|
|
this[WorkerIdSymbol] = BigInt(value) & MaximumWorkerId;
|
|
}
|
|
/**
|
|
* Generates a snowflake given an epoch and optionally a timestamp
|
|
* @param options options to pass into the generator, see {@link SnowflakeGenerateOptions}
|
|
*
|
|
* **note** when `increment` is not provided it defaults to the private `increment` of the instance
|
|
* @example
|
|
* ```typescript
|
|
* const epoch = new Date('2000-01-01T00:00:00.000Z');
|
|
* const snowflake = new Snowflake(epoch).generate();
|
|
* ```
|
|
* @returns A unique snowflake
|
|
*/
|
|
generate({
|
|
increment,
|
|
timestamp = Date.now(),
|
|
workerId = this[WorkerIdSymbol],
|
|
processId = this[ProcessIdSymbol]
|
|
} = {}) {
|
|
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 = this[IncrementSymbol];
|
|
this[IncrementSymbol] = increment + 1n & MaximumIncrement;
|
|
}
|
|
return timestamp - this[EpochSymbol] << 22n | (workerId & MaximumWorkerId) << 17n | (processId & MaximumProcessId) << 12n | increment & MaximumIncrement;
|
|
}
|
|
/**
|
|
* Deconstructs a snowflake given a snowflake ID
|
|
* @param id the snowflake to deconstruct
|
|
* @returns a deconstructed snowflake
|
|
* @example
|
|
* ```typescript
|
|
* const epoch = new Date('2000-01-01T00:00:00.000Z');
|
|
* const snowflake = new Snowflake(epoch).deconstruct('3971046231244935168');
|
|
* ```
|
|
*/
|
|
deconstruct(id) {
|
|
const bigIntId = BigInt(id);
|
|
const epoch = this[EpochSymbol];
|
|
return {
|
|
id: bigIntId,
|
|
timestamp: (bigIntId >> 22n) + epoch,
|
|
workerId: bigIntId >> 17n & MaximumWorkerId,
|
|
processId: bigIntId >> 12n & MaximumProcessId,
|
|
increment: bigIntId & MaximumIncrement,
|
|
epoch
|
|
};
|
|
}
|
|
/**
|
|
* Retrieves the timestamp field's value from a snowflake.
|
|
* @param id The snowflake to get the timestamp value from.
|
|
* @returns The UNIX timestamp that is stored in `id`.
|
|
*/
|
|
timestampFrom(id) {
|
|
return Number((BigInt(id) >> 22n) + this[EpochSymbol]);
|
|
}
|
|
/**
|
|
* Returns a number indicating whether a reference snowflake comes before, or after, or is same as the given
|
|
* snowflake in sort order.
|
|
* @param a The first snowflake to compare.
|
|
* @param b The second snowflake to compare.
|
|
* @returns `-1` if `a` is older than `b`, `0` if `a` and `b` are equals, `1` if `a` is newer than `b`.
|
|
* @example Sort snowflakes in ascending order
|
|
* ```typescript
|
|
* const ids = ['737141877803057244', '1056191128120082432', '254360814063058944'];
|
|
* console.log(ids.sort((a, b) => Snowflake.compare(a, b)));
|
|
* // → ['254360814063058944', '737141877803057244', '1056191128120082432'];
|
|
* ```
|
|
* @example Sort snowflakes in descending order
|
|
* ```typescript
|
|
* const ids = ['737141877803057244', '1056191128120082432', '254360814063058944'];
|
|
* console.log(ids.sort((a, b) => -Snowflake.compare(a, b)));
|
|
* // → ['1056191128120082432', '737141877803057244', '254360814063058944'];
|
|
* ```
|
|
*/
|
|
static compare(a, b) {
|
|
const typeA = typeof a;
|
|
return typeA === typeof b ? typeA === "string" ? cmpString(a, b) : cmpBigInt(a, b) : cmpBigInt(BigInt(a), BigInt(b));
|
|
}
|
|
};
|
|
__name(Snowflake, "Snowflake");
|
|
_a = EpochSymbol, _b = IncrementSymbol, _c = ProcessIdSymbol, _d = WorkerIdSymbol;
|
|
function cmpBigInt(a, b) {
|
|
return a === b ? 0 : a < b ? -1 : 1;
|
|
}
|
|
__name(cmpBigInt, "cmpBigInt");
|
|
function cmpString(a, b) {
|
|
return a === b ? 0 : a.length < b.length ? -1 : a.length > b.length ? 1 : a < b ? -1 : 1;
|
|
}
|
|
__name(cmpString, "cmpString");
|
|
|
|
// src/lib/DiscordSnowflake.ts
|
|
var DiscordSnowflake = new Snowflake(1420070400000n);
|
|
|
|
// src/lib/TwitterSnowflake.ts
|
|
var TwitterSnowflake = new Snowflake(1288834974657n);
|
|
|
|
exports.DiscordSnowflake = DiscordSnowflake;
|
|
exports.MaximumIncrement = MaximumIncrement;
|
|
exports.MaximumProcessId = MaximumProcessId;
|
|
exports.MaximumWorkerId = MaximumWorkerId;
|
|
exports.Snowflake = Snowflake;
|
|
exports.TwitterSnowflake = TwitterSnowflake;
|
|
//# sourceMappingURL=out.js.map
|
|
//# sourceMappingURL=index.js.map
|