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58 lines
1.8 KiB
TypeScript
58 lines
1.8 KiB
TypeScript
//
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// Copyright © 2023 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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interface Config {
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Port: number
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Source: string
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AuthToken?: string
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PushSubject?: string
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PushPublicKey?: string
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PushPrivateKey?: string
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}
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const envMap: { [key in keyof Required<Config>]: string } = {
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Port: 'PORT',
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Source: 'SOURCE',
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AuthToken: 'AUTH_TOKEN',
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PushPublicKey: 'PUSH_PUBLIC_KEY',
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PushPrivateKey: 'PUSH_PRIVATE_KEY',
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PushSubject: 'PUSH_SUBJECT'
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}
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const parseNumber = (str: string | undefined): number | undefined => (str !== undefined ? Number(str) : undefined)
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const config: Config = (() => {
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const params: Partial<Config> = {
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Port: parseNumber(process.env[envMap.Port]) ?? 8091,
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Source: process.env[envMap.Source],
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AuthToken: process.env[envMap.AuthToken],
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PushPublicKey: process.env[envMap.PushPublicKey],
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PushPrivateKey: process.env[envMap.PushPrivateKey],
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PushSubject: process.env[envMap.PushSubject]
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}
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const required: Array<keyof Config> = ['Port', 'Source']
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const missingEnv = required.filter((key) => params[key] === undefined).map((key) => envMap[key])
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if (missingEnv.length > 0) {
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throw Error(`Missing env variables: ${missingEnv.join(', ')}`)
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}
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return params as Config
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})()
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export default config
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