@willsoto/node-konfig-core/dist/loaders/env.js

Core configuration pacakge supporting file, static and environment variables

import { ValueNotFoundError } from "../errors.js";
import { Loader } from "./base.js";
export class EnvLoader extends Loader {
    options;
    name = "env";
    constructor(options) {
        super(options);
        this.options = options;
    }
    async load(store) {
        const values = this.options.envVars.map((envVar) => {
            if (this.maxRetries > 0) {
                return this.retryPolicy.execute(() => {
                    return this.processEnvVar(store, envVar);
                });
            }
            return this.processEnvVar(store, envVar);
        });
        try {
            await Promise.all(values);
        }
        catch (error) {
            if (this.stopOnFailure) {
                throw error;
            }
        }
    }
    processEnvVar(store, envVar) {
        return new Promise((resolve, reject) => {
            const { accessor, envVarName, arraySeparator } = envVar;
            const value = process.env[envVarName];
            if (!value) {
                reject(new ValueNotFoundError());
                return;
            }
            store.set(accessor, this.processValue(value, arraySeparator));
            resolve();
        });
    }
    processValue(value, arraySeparator) {
        if (arraySeparator && value.includes(arraySeparator)) {
            return value.split(arraySeparator);
        }
        return value;
    }
}
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