@bitblit/ratchet-aws/lib/environment/env-var-environment-service-provider.js

Common tools for use with AWS browser and node

import { RequireRatchet } from '@bitblit/ratchet-common/lang/require-ratchet';
import { Logger } from '@bitblit/ratchet-common/logger/logger';
import { ErrorRatchet } from '@bitblit/ratchet-common/lang/error-ratchet';
import { StringRatchet } from '@bitblit/ratchet-common/lang/string-ratchet';
export class EnvVarEnvironmentServiceProvider {
    envVarName;
    constructor(envVarName) {
        this.envVarName = envVarName;
        RequireRatchet.notNullOrUndefined(envVarName);
    }
    async fetchConfig() {
        Logger.silly('EnvVarEnvironmentServiceProvider fetch for %s', this.envVarName);
        let rval = null;
        const src = process ? process.env : global ? global : {};
        const toParse = StringRatchet.trimToNull(src[this.envVarName]);
        if (toParse) {
            try {
                rval = JSON.parse(toParse);
            }
            catch (err) {
                Logger.error('Failed to read env - null or invalid JSON : %s : %s', err, toParse, err);
                throw err;
            }
        }
        else {
            ErrorRatchet.throwFormattedErr('Could not find env var with name : %s', this.envVarName);
        }
        return rval;
    }
}
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