Function getExperimentConfig

build-system/common/utils.js:33–41

* Extracts and validates the config for the given experiment. * @param {string} experiment * @return {?Object}

(experiment)

 * @return {?Object}
 */
function getExperimentConfig(experiment) {
  const config = experimentsConfig[experiment];
  const valid =
    config?.name &&
    config?.define_experiment_constant &&
    config?.expiration_date_utc &&
    Number(new Date(config.expiration_date_utc)) >= Date.now();
  return valid ? config : null;
}

/**
 * Gets the list of files changed on the current branch that match the given