@orchestrator-ui/orchestrator-ui-components/src/utils/getEnvironmentVariables.ts

Library of UI Components used to display the workflow orchestrator frontend

import process from 'process';

// By convention, only this function should be used to access the process.env object.
// It logs a warning if one or more variables are not set
export function getEnvironmentVariables<T>(
    envVars: (keyof T)[],
): Record<keyof T, string> {
    const missingEnvironmentVariables: string[] = [];

    const environmentVariablesWithValues = envVars.reduce((acc, currentKey) => {
        const value = process.env[currentKey.toString()];

        if (value === undefined) {
            missingEnvironmentVariables.push(currentKey.toString());
        }

        return {
            ...acc,
            [currentKey]: value || '',
        };
    }, {} as Record<keyof T, string>);

    if (missingEnvironmentVariables.length > 0) {
        console.warn(
            `Warning: Missing required environment variables: ${missingEnvironmentVariables.join(
                ', ',
            )}`,
        );
    }

    return environmentVariablesWithValues;
}