Function generateQueryWithTag

static/app/utils/queryString.tsx:199–221

(prevQuery: Query, tag: EventTag)

}

export function generateQueryWithTag(prevQuery: Query, tag: EventTag): Query {
  const query = {...prevQuery};

  // some tags are dedicated query strings since other parts of the app consumes this,
  // for example, the global selection header.
  switch (tag.key) {
    case 'environment':
      query.environment = tag.value;
      break;
    case 'project':
      query.project = tag.value;
      break;
    default:
      query.query = appendTagCondition(query.query, tag.key, tag.value);
  }

  // Checking for the absence of a tag value.
  if (tag.value === '') {
    query.query = `!has:${tag.key}`;
  }

  return query;
}