setContextMissingStrategy: function setContextMissingStrategy()

in packages/core/lib/context_utils.js [176:205]

• 27 lines of code
• 6 McCabe index (conditional complexity)

  setContextMissingStrategy: function setContextMissingStrategy(strategy) {
    if (!contextOverride) {
      if (typeof strategy === 'string') {
        var lookupStrategy = contextUtils.CONTEXT_MISSING_STRATEGY[strategy.toUpperCase()];

        if (lookupStrategy) {
          contextUtils.contextMissingStrategy.contextMissing = lookupStrategy.contextMissing;

          if (process.env.AWS_XRAY_CONTEXT_MISSING) {
            logger.getLogger().debug('AWS_XRAY_CONTEXT_MISSING is set. Configured context missing strategy to ' +
              process.env.AWS_XRAY_CONTEXT_MISSING + '.');
          } else {
            logger.getLogger().debug('Configured context missing strategy to: ' + strategy);
          }
        } else {
          throw new Error('Invalid context missing strategy: ' + strategy + '. Valid values are ' +
            Object.keys(contextUtils.CONTEXT_MISSING_STRATEGY) + '.');
        }
      } else if (typeof strategy === 'function') {
        contextUtils.contextMissingStrategy.contextMissing = strategy;
        logger.getLogger().info('Configured custom context missing strategy to function: ' + strategy.name);
      } else {
        throw new Error('Context missing strategy must be either a string or a custom function.');
      }

    } else {
      logger.getLogger().warn('Ignoring call to setContextMissingStrategy as AWS_XRAY_CONTEXT_MISSING is set. ' +
        'The current context missing strategy will not be changed.');
    }
  }