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import path from 'path';
import dotenv from 'dotenv';
// Parsing the env file.
dotenv.config({ path: path.resolve(__dirname, '../.env') });
type Env = {
PAYPAL_LIVE_CLIENT_ID: string,
PAYPAL_LIVE_SECRET: string,
PAYPAL_SANDBOX_CLIENT_ID: string,
PAYPAL_SANDBOX_SECRET: string,
ENVIRONMENT: 'dev' | 'prod',
};
type DirtyEnv = { [key in keyof Env]?: string };
const ENV: { [key in keyof Env]: number } = {
PAYPAL_LIVE_CLIENT_ID: 1,
PAYPAL_LIVE_SECRET: 1,
PAYPAL_SANDBOX_CLIENT_ID: 1,
PAYPAL_SANDBOX_SECRET: 1,
ENVIRONMENT: 1,
};
const { env }: { env: DirtyEnv } = process;
const sanitisedEnvEntries =
(Object.keys(ENV) as (keyof Env)[])
.map<[keyof Env, string]>(key => {
const value = env[key];
if (!value) {
throw new Error(`Environment not configured correctly. ${key} was not defined.`);
}
if (key === 'ENVIRONMENT') {
if (!['dev', 'prod'].includes(value)) {
throw new Error(`
Environment not configured correctly. ${key} must be
either 'dev' or 'prod', but '${value}' was provided.
`);
}
}
return [key, value];
});
const sanitisedEnv = Object.fromEntries(sanitisedEnvEntries) as Env;
export default sanitisedEnv;
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