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38 lines
1.2 KiB
TypeScript
38 lines
1.2 KiB
TypeScript
//
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// Copyright © 2024 Hardcore Engineering Inc.
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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 UUID } from './types'
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export const toUUID = (buffer: Uint8Array): UUID => {
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const hex = toHex(buffer)
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const hex32 = hex.slice(0, 32).padStart(32, '0')
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return formatHexAsUUID(hex32)
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}
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export const toHex = (buffer: Uint8Array): string => {
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return Array.from(buffer)
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.map((b) => b.toString(16).padStart(2, '0'))
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.join('')
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}
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export const etag = (id: string): string => `"${id}"`
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export function formatHexAsUUID (hexString: string): UUID {
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if (hexString.length !== 32) {
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throw new Error('Hex string must be exactly 32 characters long.')
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}
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return hexString.replace(/^(.{8})(.{4})(.{4})(.{4})(.{12})$/, '$1-$2-$3-$4-$5') as UUID
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}
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