platform/packages/core/src/utils.ts
Denis Bykhov f44c9a59ca
FindResult {total: number} (#1320)
Signed-off-by: Denis Bykhov <80476319+BykhovDenis@users.noreply.github.com>
2022-04-08 10:06:38 +07:00

79 lines
1.9 KiB
TypeScript

//
// Copyright © 2020, 2021 Anticrm Platform Contributors.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
import type { Account, Doc, Ref } from './classes'
import { FindResult } from './storage'
function toHex (value: number, chars: number): string {
const result = value.toString(16)
if (result.length < chars) {
return '0'.repeat(chars - result.length) + result
}
return result
}
let counter = (Math.random() * (1 << 24)) | 0
const random = toHex((Math.random() * (1 << 24)) | 0, 6) + toHex((Math.random() * (1 << 16)) | 0, 4)
function timestamp (): string {
const time = (Date.now() / 1000) | 0
return toHex(time, 8)
}
function count (): string {
const val = counter++ & 0xffffff
return toHex(val, 6)
}
/**
* @public
* @returns
*/
export function generateId<T extends Doc> (): Ref<T> {
return (timestamp() + random + count()) as Ref<T>
}
let currentAccount: Account
/**
* @public
* @returns
*/
export function getCurrentAccount (): Account {
return currentAccount
}
/**
* @public
* @param account -
*/
export function setCurrentAccount (account: Account): void {
currentAccount = account
}
/**
* @public
*/
export function escapeLikeForRegexp (value: string): string {
return value.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&')
}
/**
* @public
*/
export function toFindResult<T extends Doc> (docs: T[], total?: number): FindResult<T> {
const length = total ?? docs.length
return Object.assign(docs, { total: length })
}