function view()

in lib/nano.js [771:832]
54 lines of code
12 McCabe index (conditional complexity)

    function view (ddoc, viewName, meta, qs0, callback0) {
      const { opts, callback } = getCallback(qs0, callback0)

      if (missing(ddoc, viewName) && !meta.viewPath) {
        return callbackOrRejectError(callback)
      }

      if (typeof meta.stream !== 'boolean') {
        meta.stream = false
      }

      // prevent mutation of the client qs object by using a clone
      const qs1 = Object.assign({}, opts)

      const viewPath = meta.viewPath || '_design/' + ddoc + '/_' + meta.type +
            '/' + viewName

      if (meta.type === 'search') {
        return relax({
          db: dbName,
          path: viewPath,
          method: 'POST',
          body: qs1,
          stream: meta.stream
        }, callback)
      } else if (qs1 && qs1.keys) {
        const body = { keys: qs1.keys }
        delete qs1.keys
        return relax({
          db: dbName,
          path: viewPath,
          method: 'POST',
          qs: qs1,
          body,
          stream: meta.stream
        }, callback)
      } else if (qs1 && qs1.queries) {
        const body = { queries: qs1.queries }
        delete qs1.queries
        return relax({
          db: dbName,
          path: viewPath,
          method: 'POST',
          qs: qs1,
          body
        }, callback)
      } else {
        const req = {
          db: dbName,
          method: meta.method || 'GET',
          path: viewPath,
          qs: qs1,
          stream: meta.stream
        }

        if (meta.body) {
          req.body = meta.body
        }

        return relax(req, callback)
      }
    }