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