@deepkit/bson
Version:
Deepkit BSON parser
80 lines • 3 kB
JavaScript
;
/*
* Deepkit Framework
* Copyright (C) 2021 Deepkit UG, Marc J. Schmidt
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the MIT License.
*
* You should have received a copy of the MIT License along with this program.
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ObjectId = exports.hexTable = exports.BSONError = void 0;
const crypto = __importStar(require("@deepkit/crypto"));
const core_1 = require("@deepkit/core");
const { randomBytes } = crypto;
let PROCESS_UNIQUE = undefined;
class BSONError extends core_1.CustomError {
}
exports.BSONError = BSONError;
function getUnique() {
if (PROCESS_UNIQUE)
return PROCESS_UNIQUE;
PROCESS_UNIQUE = randomBytes(5);
return PROCESS_UNIQUE;
}
exports.hexTable = [];
for (let i = 0; i < 256; i++) {
exports.hexTable[i] = (i <= 15 ? '0' : '') + i.toString(16);
}
/**
* Thin wrapper around the native type to allow to serialize it correctly
* in types like t.any.
*/
class ObjectId {
static generate(time) {
if (!time)
time = Math.ceil(Date.now() / 1000);
const inc = (++ObjectId.index) % 0xffffff;
const processUnique = getUnique();
return ''
+ exports.hexTable[(time >> 24) & 0xff]
+ exports.hexTable[(time >> 16) & 0xff]
+ exports.hexTable[(time >> 8) & 0xff]
+ exports.hexTable[time & 0xff]
+ exports.hexTable[processUnique[0]]
+ exports.hexTable[processUnique[1]]
+ exports.hexTable[processUnique[2]]
+ exports.hexTable[processUnique[3]]
+ exports.hexTable[processUnique[4]]
+ exports.hexTable[(inc >> 16) & 0xff]
+ exports.hexTable[(inc >> 8) & 0xff]
+ exports.hexTable[inc & 0xff];
}
}
exports.ObjectId = ObjectId;
ObjectId.index = Math.ceil(Math.random() & 0xffffff);
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