Function processMetadataAndWinningDoc

lib/index-browser.js:5715–5744

(metadata, winningDoc)

    var metadatas = new Array(batchKeys.length);

    function processMetadataAndWinningDoc(metadata, winningDoc) {
      var change = opts.processChange(winningDoc, metadata, opts);
      lastSeq = change.seq = metadata.seq;

      var filtered = filter(change);
      if (typeof filtered === 'object') { // anything but true/false indicates error
        return Promise.reject(filtered);
      }

      if (!filtered) {
        return Promise.resolve();
      }
      numResults++;
      if (opts.return_docs) {
        results.push(change);
      }
      // process the attachment immediately
      // for the benefit of live listeners
      if (opts.attachments && opts.include_docs) {
        return new Promise(function (resolve) {
          fetchAttachmentsIfNecessary(winningDoc, opts, txn, function () {
            postProcessAttachments([change], opts.binary).then(function () {
              resolve(change);
            });
          });
        });
      } else {
        return Promise.resolve(change);
      }
    }

    function onBatchDone() {
      var promises = [];