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-rw-r--r--dist/server-util/src/util/Snowflake.js116
-rw-r--r--dist/server-util/src/util/Snowflake.js.map1
2 files changed, 117 insertions, 0 deletions
diff --git a/dist/server-util/src/util/Snowflake.js b/dist/server-util/src/util/Snowflake.js
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index 00000000..78373e95 --- /dev/null +++ b/dist/server-util/src/util/Snowflake.js
@@ -0,0 +1,116 @@ +// @ts-nocheck +// https://github.com/discordjs/discord.js/blob/master/src/util/Snowflake.js +// Apache License Version 2.0 Copyright 2015 - 2021 Amish Shah +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.Snowflake = void 0; +// Discord epoch (2015-01-01T00:00:00.000Z) +/** + * A container for useful snowflake-related methods. + */ +class Snowflake { + constructor() { + throw new Error(`The ${this.constructor.name} class may not be instantiated.`); + } + /** + * A Twitter snowflake, except the epoch is 2015-01-01T00:00:00.000Z + * ``` + * If we have a snowflake '266241948824764416' we can represent it as binary: + * + * 64 22 17 12 0 + * 000000111011000111100001101001000101000000 00001 00000 000000000000 + * number of ms since Discord epoch worker pid increment + * ``` + * @typedef {string} Snowflake + */ + /** + * Transforms a snowflake from a decimal string to a bit string. + * @param {Snowflake} num Snowflake to be transformed + * @returns {string} + * @private + */ + static idToBinary(num) { + let bin = ""; + let high = parseInt(num.slice(0, -10)) || 0; + let low = parseInt(num.slice(-10)); + while (low > 0 || high > 0) { + bin = String(low & 1) + bin; + low = Math.floor(low / 2); + if (high > 0) { + low += 5000000000 * (high % 2); + high = Math.floor(high / 2); + } + } + return bin; + } + /** + * Transforms a snowflake from a bit string to a decimal string. + * @param {string} num Bit string to be transformed + * @returns {Snowflake} + * @private + */ + static binaryToID(num) { + let dec = ""; + while (num.length > 50) { + const high = parseInt(num.slice(0, -32), 2); + const low = parseInt((high % 10).toString(2) + num.slice(-32), 2); + dec = (low % 10).toString() + dec; + num = + Math.floor(high / 10).toString(2) + + Math.floor(low / 10) + .toString(2) + .padStart(32, "0"); + } + num = parseInt(num, 2); + while (num > 0) { + dec = (num % 10).toString() + dec; + num = Math.floor(num / 10); + } + return dec; + } + static generate() { + var time = BigInt(Date.now() - Snowflake.EPOCH) << 22n; + var worker = Snowflake.workerId << 17n; + var process = Snowflake.processId << 12n; + var increment = Snowflake.INCREMENT++; + return time | worker | process | increment; + } + /** + * A deconstructed snowflake. + * @typedef {Object} DeconstructedSnowflake + * @property {number} timestamp Timestamp the snowflake was created + * @property {Date} date Date the snowflake was created + * @property {number} workerID Worker ID in the snowflake + * @property {number} processID Process ID in the snowflake + * @property {number} increment Increment in the snowflake + * @property {string} binary Binary representation of the snowflake + */ + /** + * Deconstructs a Discord snowflake. + * @param {Snowflake} snowflake Snowflake to deconstruct + * @returns {DeconstructedSnowflake} Deconstructed snowflake + */ + static deconstruct(snowflake) { + const BINARY = Snowflake.idToBinary(snowflake).toString(2).padStart(64, "0"); + const res = { + timestamp: parseInt(BINARY.substring(0, 42), 2) + EPOCH, + workerID: parseInt(BINARY.substring(42, 47), 2), + processID: parseInt(BINARY.substring(47, 52), 2), + increment: parseInt(BINARY.substring(52, 64), 2), + binary: BINARY, + }; + Object.defineProperty(res, "date", { + get: function get() { + return new Date(this.timestamp); + }, + enumerable: true, + }); + return res; + } +} +exports.Snowflake = Snowflake; +Snowflake.EPOCH = 1420070400000; +Snowflake.INCREMENT = 0n; // max 4095 +Snowflake.processId = 0n; // max 31 +Snowflake.workerId = 0n; // max 31 +//# sourceMappingURL=Snowflake.js.map \ No newline at end of file diff --git a/dist/server-util/src/util/Snowflake.js.map b/dist/server-util/src/util/Snowflake.js.map new file mode 100644
index 00000000..f24ecbb9 --- /dev/null +++ b/dist/server-util/src/util/Snowflake.js.map
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