pouchdb-find/test/test-bundle.js

Easy-to-use query language for PouchDB

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"./test/test.js":[function(require,module,exports){
(function (process){
/*jshint expr:true */
'use strict';

var queryString = require('query-string');
var Pouch = require('pouchdb');
var thePlugin = require('../');
Pouch.plugin(thePlugin);

require('./test-utils');

var couch;
if (typeof process === 'undefined' || process.browser) {
  couch = queryString.parse(location.search).couchHost ||
    'http://127.0.0.1:5984';
} else {
  couch = process.env.COUCH_HOST || 'http://127.0.0.1:5984';
}

var  dbs = 'testdb_find,' + couch + '/testdb_find';

dbs.split(',').forEach(function (db) {
  var dbType = /^http/.test(db) ? 'http' : 'local';
  tests(db, dbType);
});

function tests(dbName, dbType) {

  require('./test-suite-1')(dbName, dbType, Pouch);
  require('./test-suite-2')(dbName, dbType, Pouch);

  if (dbType === 'local') {
    require('./test-abstract-mapreduce')(dbName, dbType, Pouch);
  }

}

}).call(this,require('_process'))
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},{"../":"/Users/garren/dev/pouchdb-find/lib/index.js","./test-abstract-mapreduce":"/Users/garren/dev/pouchdb-find/test/test-abstract-mapreduce/index.js","./test-suite-1":"/Users/garren/dev/pouchdb-find/test/test-suite-1/index.js","./test-suite-2":"/Users/garren/dev/pouchdb-find/test/test-suite-2/index.js","./test-utils":"/Users/garren/dev/pouchdb-find/test/test-utils.js","_process":"/Users/garren/dev/pouchdb-find/node_modules/process/browser.js","pouchdb":"/Users/garren/dev/pouchdb-find/node_modules/pouchdb/lib/index.js","query-string":"/Users/garren/dev/pouchdb-find/node_modules/query-string/index.js"}],"/Users/garren/dev/pouchdb-find/lib/abstract-mapreduce/create-view.js":[function(require,module,exports){
'use strict';

var upsert = require('./upsert');
var utils = require('./utils');
var Promise = utils.Promise;

function stringify(input) {
  if (!input) {
    return 'undefined'; // backwards compat for empty reduce
  }
  // for backwards compat with mapreduce, functions/strings are stringified
  // as-is. everything else is JSON-stringified.
  switch (typeof input) {
    case 'function':
      // e.g. a mapreduce map
      return input.toString();
    case 'string':
      // e.g. a mapreduce built-in _reduce function
      return input.toString();
    default:
      // e.g. a JSON object in the case of mango queries
      return JSON.stringify(input);
  }
}

module.exports = function (opts) {
  var sourceDB = opts.db;
  var viewName = opts.viewName;
  var mapFun = opts.map;
  var reduceFun = opts.reduce;
  var temporary = opts.temporary;
  var pluginName = opts.pluginName;

  // the "undefined" part is for backwards compatibility
  var viewSignature = stringify(mapFun) + stringify(reduceFun) +
    'undefined';

  if (!temporary && sourceDB._cachedViews) {
    var cachedView = sourceDB._cachedViews[viewSignature];
    if (cachedView) {
      return Promise.resolve(cachedView);
    }
  }

  return sourceDB.info().then(function (info) {

    var depDbName = info.db_name + '-mrview-' +
      (temporary ? 'temp' : utils.MD5(viewSignature));

    // save the view name in the source PouchDB so it can be cleaned up if necessary
    // (e.g. when the _design doc is deleted, remove all associated view data)
    function diffFunction(doc) {
      doc.views = doc.views || {};
      var fullViewName = viewName;
      if (fullViewName.indexOf('/') === -1) {
        fullViewName = viewName + '/' + viewName;
      }
      var depDbs = doc.views[fullViewName] = doc.views[fullViewName] || {};
      /* istanbul ignore if */
      if (depDbs[depDbName]) {
        return; // no update necessary
      }
      depDbs[depDbName] = true;
      return doc;
    }
    return upsert(sourceDB, '_local/' + pluginName, diffFunction).then(function () {
      return sourceDB.registerDependentDatabase(depDbName).then(function (res) {
        var db = res.db;
        db.auto_compaction = true;
        var view = {
          name: depDbName,
          db: db, 
          sourceDB: sourceDB,
          adapter: sourceDB.adapter,
          mapFun: mapFun,
          reduceFun: reduceFun
        };
        return view.db.get('_local/lastSeq').catch(function (err) {
          /* istanbul ignore if */
          if (err.status !== 404) {
            throw err;
          }
        }).then(function (lastSeqDoc) {
          view.seq = lastSeqDoc ? lastSeqDoc.seq : 0;
          if (!temporary) {
            sourceDB._cachedViews = sourceDB._cachedViews || {};
            sourceDB._cachedViews[viewSignature] = view;
            view.db.on('destroyed', function () {
              delete sourceDB._cachedViews[viewSignature];
            });
          }
          return view;
        });
      });
    });
  });
};

},{"./upsert":"/Users/garren/dev/pouchdb-find/lib/abstract-mapreduce/upsert.js","./utils":"/Users/garren/dev/pouchdb-find/lib/abstract-mapreduce/utils.js"}],"/Users/garren/dev/pouchdb-find/lib/abstract-mapreduce/index.js":[function(require,module,exports){
(function (process){
'use strict';

var pouchCollate = require('pouchdb-collate');
var TaskQueue = require('./taskqueue');
var collate = pouchCollate.collate;
var toIndexableString = pouchCollate.toIndexableString;
var normalizeKey = pouchCollate.normalizeKey;
var createView = require('./create-view');
var log;
/* istanbul ignore else */
if ((typeof console !== 'undefined') && (typeof console.log === 'function')) {
  log = Function.prototype.bind.call(console.log, console);
} else {
  log = function () {};
}
var utils = require('./utils');
var Promise = utils.Promise;
var persistentQueues = {};
var tempViewQueue = new TaskQueue();
var CHANGES_BATCH_SIZE = 50;

function QueryParseError(message) {
  this.status = 400;
  this.name = 'query_parse_error';
  this.message = message;
  this.error = true;
  try {
    Error.captureStackTrace(this, QueryParseError);
  } catch (e) {}
}

utils.inherits(QueryParseError, Error);

function NotFoundError(message) {
  this.status = 404;
  this.name = 'not_found';
  this.message = message;
  this.error = true;
  try {
    Error.captureStackTrace(this, NotFoundError);
  } catch (e) {}
}

utils.inherits(NotFoundError, Error);

function parseViewName(name) {
  // can be either 'ddocname/viewname' or just 'viewname'
  // (where the ddoc name is the same)
  return name.indexOf('/') === -1 ? [name, name] : name.split('/');
}

function isGenOne(changes) {
  // only return true if the current change is 1-
  // and there are no other leafs
  return changes.length === 1 && /^1-/.test(changes[0].rev);
}

function sortByKeyThenValue(x, y) {
  var keyCompare = collate(x.key, y.key);
  return keyCompare !== 0 ? keyCompare : collate(x.value, y.value);
}

function sliceResults(results, limit, skip) {
  skip = skip || 0;
  if (typeof limit === 'number') {
    return results.slice(skip, limit + skip);
  } else if (skip > 0) {
    return results.slice(skip);
  }
  return results;
}

function rowToDocId(row) {
  var val = row.value;
  // Users can explicitly specify a joined doc _id, or it
  // defaults to the doc _id that emitted the key/value.
  var docId = (val && typeof val === 'object' && val._id) || row.id;
  return docId;
}

function emitError(db, e) {
  try {
    db.emit('error', e);
  } catch (err) {
    console.error(
      'The user\'s map/reduce function threw an uncaught error.\n' +
      'You can debug this error by doing:\n' +
      'myDatabase.on(\'error\', function (err) { debugger; });\n' +
      'Please double-check your map/reduce function.');
    console.error(e);
  }
}

function tryCode(db, fun, args) {
  // emit an event if there was an error thrown by a map/reduce function.
  // putting try/catches in a single function also avoids deoptimizations.
  try {
    return {
      output : fun.apply(null, args)
    };
  } catch (e) {
    emitError(db, e);
    return {error: e};
  }
}

function checkQueryParseError(options, fun) {
  var startkeyName = options.descending ? 'endkey' : 'startkey';
  var endkeyName = options.descending ? 'startkey' : 'endkey';

  if (typeof options[startkeyName] !== 'undefined' &&
    typeof options[endkeyName] !== 'undefined' &&
    collate(options[startkeyName], options[endkeyName]) > 0) {
    throw new QueryParseError('No rows can match your key range, reverse your ' +
    'start_key and end_key or set {descending : true}');
  } else if (fun.reduce && options.reduce !== false) {
    if (options.include_docs) {
      throw new QueryParseError('{include_docs:true} is invalid for reduce');
    } else if (options.keys && options.keys.length > 1 &&
      !options.group && !options.group_level) {
      throw new QueryParseError('Multi-key fetches for reduce views must use {group: true}');
    }
  }
  if (options.group_level) {
    if (typeof options.group_level !== 'number') {
      throw new QueryParseError('Invalid value for integer: "' + options.group_level + '"');
    }
    if (options.group_level < 0) {
      throw new QueryParseError('Invalid value for positive integer: ' +
      '"' + options.group_level + '"');
    }
  }
}

function defaultsTo(value) {
  return function (reason) {
    /* istanbul ignore else */
    if (reason.status === 404) {
      return value;
    } else {
      throw reason;
    }
  };
}

function createIndexer(def) {

  var pluginName = def.name;
  var mapper = def.mapper;
  var reducer = def.reducer;
  var ddocValidator = def.ddocValidator;


  // returns a promise for a list of docs to update, based on the input docId.
  // the order doesn't matter, because post-3.2.0, bulkDocs
  // is an atomic operation in all three adapters.
  function getDocsToPersist(docId, view, docIdsToChangesAndEmits) {
    var metaDocId = '_local/doc_' + docId;
    var defaultMetaDoc = {_id: metaDocId, keys: []};
    var docData = docIdsToChangesAndEmits[docId];
    var indexableKeysToKeyValues = docData.indexableKeysToKeyValues;
    var changes = docData.changes;

    function getMetaDoc() {
      if (isGenOne(changes)) {
        // generation 1, so we can safely assume initial state
        // for performance reasons (avoids unnecessary GETs)
        return Promise.resolve(defaultMetaDoc);
      }
      return view.db.get(metaDocId).catch(defaultsTo(defaultMetaDoc));
    }

    function getKeyValueDocs(metaDoc) {
      if (!metaDoc.keys.length) {
        // no keys, no need for a lookup
        return Promise.resolve({rows: []});
      }
      return view.db.allDocs({
        keys: metaDoc.keys,
        include_docs: true
      });
    }

    function processKvDocs(metaDoc, kvDocsRes) {
      var kvDocs = [];
      var oldKeysMap = {};

      for (var i = 0, len = kvDocsRes.rows.length; i < len; i++) {
        var row = kvDocsRes.rows[i];
        var doc = row.doc;
        if (!doc) { // deleted
          continue;
        }
        kvDocs.push(doc);
        oldKeysMap[doc._id] = true;
        doc._deleted = !indexableKeysToKeyValues[doc._id];
        if (!doc._deleted) {
          var keyValue = indexableKeysToKeyValues[doc._id];
          if ('value' in keyValue) {
            doc.value = keyValue.value;
          }
        }
      }

      var newKeys = Object.keys(indexableKeysToKeyValues);
      newKeys.forEach(function (key) {
        if (!oldKeysMap[key]) {
          // new doc
          var kvDoc = {
            _id: key
          };
          var keyValue = indexableKeysToKeyValues[key];
          if ('value' in keyValue) {
            kvDoc.value = keyValue.value;
          }
          kvDocs.push(kvDoc);
        }
      });
      metaDoc.keys = utils.uniq(newKeys.concat(metaDoc.keys));
      kvDocs.push(metaDoc);

      return kvDocs;
    }

    return getMetaDoc().then(function (metaDoc) {
      return getKeyValueDocs(metaDoc).then(function (kvDocsRes) {
        return processKvDocs(metaDoc, kvDocsRes);
      });
    });
  }

  // updates all emitted key/value docs and metaDocs in the mrview database
  // for the given batch of documents from the source database
  function saveKeyValues(view, docIdsToChangesAndEmits, seq) {
    var seqDocId = '_local/lastSeq';
    return view.db.get(seqDocId)
    .catch(defaultsTo({_id: seqDocId, seq: 0}))
    .then(function (lastSeqDoc) {
      var docIds = Object.keys(docIdsToChangesAndEmits);
      return Promise.all(docIds.map(function (docId) {
        return getDocsToPersist(docId, view, docIdsToChangesAndEmits);
      })).then(function (listOfDocsToPersist) {
        var docsToPersist = utils.flatten(listOfDocsToPersist);
        lastSeqDoc.seq = seq;
        docsToPersist.push(lastSeqDoc);
        // write all docs in a single operation, update the seq once
        return view.db.bulkDocs({docs : docsToPersist});
      });
    });
  }

  function getQueue(view) {
    var viewName = typeof view === 'string' ? view : view.name;
    var queue = persistentQueues[viewName];
    if (!queue) {
      queue = persistentQueues[viewName] = new TaskQueue();
    }
    return queue;
  }

  function updateView(view) {
    return utils.sequentialize(getQueue(view), function () {
      return updateViewInQueue(view);
    })();
  }

  function updateViewInQueue(view) {
    // bind the emit function once
    var mapResults;
    var doc;

    function emit(key, value) {
      var output = {id: doc._id, key: normalizeKey(key)};
      // Don't explicitly store the value unless it's defined and non-null.
      // This saves on storage space, because often people don't use it.
      if (typeof value !== 'undefined' && value !== null) {
        output.value = normalizeKey(value);
      }
      mapResults.push(output);
    }

    var mapFun = mapper(view.mapFun, emit);

    var currentSeq = view.seq || 0;

    function processChange(docIdsToChangesAndEmits, seq) {
      return function () {
        return saveKeyValues(view, docIdsToChangesAndEmits, seq);
      };
    }

    var queue = new TaskQueue();

    return new Promise(function (resolve, reject) {

      function complete() {
        queue.finish().then(function () {
          view.seq = currentSeq;
          resolve();
        });
      }

      function processNextBatch() {
        view.sourceDB.changes({
          conflicts: true,
          include_docs: true,
          style: 'all_docs',
          since: currentSeq,
          limit: CHANGES_BATCH_SIZE
        }).on('complete', function (response) {
          var results = response.results;
          if (!results.length) {
            return complete();
          }
          var docIdsToChangesAndEmits = {};
          for (var i = 0, l = results.length; i < l; i++) {
            var change = results[i];
            if (change.doc._id[0] !== '_') {
              mapResults = [];
              doc = change.doc;

              if (!doc._deleted) {
                tryCode(view.sourceDB, mapFun, [doc]);
              }
              mapResults.sort(sortByKeyThenValue);

              var indexableKeysToKeyValues = {};
              var lastKey;
              for (var j = 0, jl = mapResults.length; j < jl; j++) {
                var obj = mapResults[j];
                var complexKey = [obj.key, obj.id];
                if (collate(obj.key, lastKey) === 0) {
                  complexKey.push(j); // dup key+id, so make it unique
                }
                var indexableKey = toIndexableString(complexKey);
                indexableKeysToKeyValues[indexableKey] = obj;
                lastKey = obj.key;
              }
              docIdsToChangesAndEmits[change.doc._id] = {
                indexableKeysToKeyValues: indexableKeysToKeyValues,
                changes: change.changes
              };
            }
            currentSeq = change.seq;
          }
          queue.add(processChange(docIdsToChangesAndEmits, currentSeq));
          if (results.length < CHANGES_BATCH_SIZE) {
            return complete();
          }
          return processNextBatch();
        }).on('error', onError);
        /* istanbul ignore next */
        function onError(err) {
          reject(err);
        }
      }

      processNextBatch();
    });
  }

  function reduceView(view, results, options) {
    if (options.group_level === 0) {
      delete options.group_level;
    }

    var shouldGroup = options.group || options.group_level;

    var reduceFun = reducer(view.reduceFun);

    var groups = [];
    var lvl = options.group_level;
    results.forEach(function (e) {
      var last = groups[groups.length - 1];
      var key = shouldGroup ? e.key : null;

      // only set group_level for array keys
      if (shouldGroup && Array.isArray(key) && typeof lvl === 'number') {
        key = key.length > lvl ? key.slice(0, lvl) : key;
      }

      if (last && collate(last.key[0][0], key) === 0) {
        last.key.push([key, e.id]);
        last.value.push(e.value);
        return;
      }
      groups.push({key: [
        [key, e.id]
      ], value: [e.value]});
    });
    for (var i = 0, len = groups.length; i < len; i++) {
      var e = groups[i];
      var reduceTry = tryCode(view.sourceDB, reduceFun, [e.key, e.value, false]);
      // TODO: can't do instanceof BuiltInError because this class is buried
      // in mapreduce.js
      if (reduceTry.error && /BuiltInError/.test(reduceTry.error.constructor)) {
        // CouchDB returns an error if a built-in errors out
        throw reduceTry.error;
      }
      // CouchDB just sets the value to null if a non-built-in errors out
      e.value = reduceTry.error ? null : reduceTry.output;
      e.key = e.key[0][0];
    }
    // no total_rows/offset when reducing
    return {rows: sliceResults(groups, options.limit, options.skip)};
  }

  function queryView(view, opts) {
    return utils.sequentialize(getQueue(view), function () {
      return queryViewInQueue(view, opts);
    })();
  }

  function queryViewInQueue(view, opts) {
    var totalRows;
    var shouldReduce = view.reduceFun && opts.reduce !== false;
    var skip = opts.skip || 0;
    if (typeof opts.keys !== 'undefined' && !opts.keys.length) {
      // equivalent query
      opts.limit = 0;
      delete opts.keys;
    }

    function fetchFromView(viewOpts) {
      viewOpts.include_docs = true;
      return view.db.allDocs(viewOpts).then(function (res) {
        totalRows = res.total_rows;
        return res.rows.map(function (result) {

          // implicit migration - in older versions of PouchDB,
          // we explicitly stored the doc as {id: ..., key: ..., value: ...}
          // this is tested in a migration test
          /* istanbul ignore next */
          if ('value' in result.doc && typeof result.doc.value === 'object' &&
              result.doc.value !== null) {
            var keys = Object.keys(result.doc.value).sort();
            // this detection method is not perfect, but it's unlikely the user
            // emitted a value which was an object with these 3 exact keys
            var expectedKeys = ['id', 'key', 'value'];
            if (!(keys < expectedKeys || keys > expectedKeys)) {
              return result.doc.value;
            }
          }

          var parsedKeyAndDocId = pouchCollate.parseIndexableString(result.doc._id);
          return {
            key: parsedKeyAndDocId[0],
            id: parsedKeyAndDocId[1],
            value: ('value' in result.doc ? result.doc.value : null)
          };
        });
      });
    }

    function onMapResultsReady(rows) {
      var finalResults;
      if (shouldReduce) {
        finalResults = reduceView(view, rows, opts);
      } else {
        finalResults = {
          total_rows: totalRows,
          offset: skip,
          rows: rows
        };
      }
      if (opts.include_docs) {
        var docIds = utils.uniq(rows.map(rowToDocId));

        return view.sourceDB.allDocs({
          keys: docIds,
          include_docs: true,
          conflicts: opts.conflicts,
          attachments: opts.attachments,
          binary: opts.binary
        }).then(function (allDocsRes) {
          var docIdsToDocs = {};
          allDocsRes.rows.forEach(function (row) {
            if (row.doc) {
              docIdsToDocs['$' + row.id] = row.doc;
            }
          });
          rows.forEach(function (row) {
            var docId = rowToDocId(row);
            var doc = docIdsToDocs['$' + docId];
            if (doc) {
              row.doc = doc;
            }
          });
          return finalResults;
        });
      } else {
        return finalResults;
      }
    }

    var flatten = function (array) {
      return array.reduce(function (prev, cur) {
        return prev.concat(cur);
      });
    };

    if (typeof opts.keys !== 'undefined') {
      var keys = opts.keys;
      var fetchPromises = keys.map(function (key) {
        var viewOpts = {
          startkey : toIndexableString([key]),
          endkey   : toIndexableString([key, {}])
        };
        return fetchFromView(viewOpts);
      });
      return Promise.all(fetchPromises).then(flatten).then(onMapResultsReady);
    } else { // normal query, no 'keys'
      var viewOpts = {
        descending : opts.descending
      };
      if (typeof opts.startkey !== 'undefined') {
        viewOpts.startkey = opts.descending ?
          toIndexableString([opts.startkey, {}]) :
          toIndexableString([opts.startkey]);
      }
      if (typeof opts.endkey !== 'undefined') {
        var inclusiveEnd = opts.inclusive_end !== false;
        if (opts.descending) {
          inclusiveEnd = !inclusiveEnd;
        }

        viewOpts.endkey = toIndexableString(inclusiveEnd ? [opts.endkey, {}] : [opts.endkey]);
      }
      if (typeof opts.key !== 'undefined') {
        var keyStart = toIndexableString([opts.key]);
        var keyEnd = toIndexableString([opts.key, {}]);
        if (viewOpts.descending) {
          viewOpts.endkey = keyStart;
          viewOpts.startkey = keyEnd;
        } else {
          viewOpts.startkey = keyStart;
          viewOpts.endkey = keyEnd;
        }
      }
      if (!shouldReduce) {
        if (typeof opts.limit === 'number') {
          viewOpts.limit = opts.limit;
        }
        viewOpts.skip = skip;
      }
      return fetchFromView(viewOpts).then(onMapResultsReady);
    }
  }

  function localViewCleanup(db) {
    return db.get('_local/' + pluginName).then(function (metaDoc) {
      var docsToViews = {};
      Object.keys(metaDoc.views).forEach(function (fullViewName) {
        var parts = parseViewName(fullViewName);
        var designDocName = '_design/' + parts[0];
        var viewName = parts[1];
        docsToViews[designDocName] = docsToViews[designDocName] || {};
        docsToViews[designDocName][viewName] = true;
      });
      var opts = {
        keys : Object.keys(docsToViews),
        include_docs : true
      };
      return db.allDocs(opts).then(function (res) {
        var viewsToStatus = {};
        res.rows.forEach(function (row) {
          var ddocName = row.key.substring(8);
          Object.keys(docsToViews[row.key]).forEach(function (viewName) {
            var fullViewName = ddocName + '/' + viewName;
            /* istanbul ignore if */
            if (!metaDoc.views[fullViewName]) {
              // new format, without slashes, to support PouchDB 2.2.0
              // migration test in pouchdb's browser.migration.js verifies this
              fullViewName = viewName;
            }
            var viewDBNames = Object.keys(metaDoc.views[fullViewName]);
            // design doc deleted, or view function nonexistent
            var statusIsGood = row.doc && row.doc.views && row.doc.views[viewName];
            viewDBNames.forEach(function (viewDBName) {
              viewsToStatus[viewDBName] = viewsToStatus[viewDBName] || statusIsGood;
            });
          });
        });
        var dbsToDelete = Object.keys(viewsToStatus).filter(function (viewDBName) {
          return !viewsToStatus[viewDBName];
        });
        var destroyPromises = dbsToDelete.map(function (viewDBName) {
          return utils.sequentialize(getQueue(viewDBName), function () {
            return new db.constructor(viewDBName, db.__opts).destroy();
          })();
        });
        return Promise.all(destroyPromises).then(function () {
          return {ok: true};
        });
      });
    }, defaultsTo({ok: true}));
  }

  function queryPromised(db, fun, opts) {
    if (typeof fun !== 'string') {
      // temp_view
      checkQueryParseError(opts, fun);

      var createViewOpts = {
        db : db,
        viewName : 'temp_view/temp_view',
        map : fun.map,
        reduce : fun.reduce,
        temporary : true,
        pluginName: pluginName
      };
      tempViewQueue.add(function () {
        return createView(createViewOpts).then(function (view) {
          function cleanup() {
            return view.db.destroy();
          }
          return utils.fin(updateView(view).then(function () {
            return queryView(view, opts);
          }), cleanup);
        });
      });
      return tempViewQueue.finish();
    } else {
      // persistent view
      var fullViewName = fun;
      var parts = parseViewName(fullViewName);
      var designDocName = parts[0];
      var viewName = parts[1];
      return db.get('_design/' + designDocName).then(function (doc) {
        var fun = doc.views && doc.views[viewName];

        if (!fun) {
          // basic validator; it's assumed that every subclass would want this
          throw new NotFoundError('ddoc ' + doc._id + ' has no view named ' +
            viewName);
        }

        ddocValidator(doc, viewName);
        checkQueryParseError(opts, fun);

        var createViewOpts = {
          db : db,
          viewName : fullViewName,
          map : fun.map,
          reduce : fun.reduce,
          pluginName: pluginName
        };
        return createView(createViewOpts).then(function (view) {
          if (opts.stale === 'ok' || opts.stale === 'update_after') {
            if (opts.stale === 'update_after') {
              process.nextTick(function () {
                updateView(view);
              });
            }
            return queryView(view, opts);
          } else { // stale not ok
            return updateView(view).then(function () {
              return queryView(view, opts);
            });
          }
        });
      });
    }
  }

  var query = function (fun, opts, callback) {
    var db = this;
    if (typeof opts === 'function') {
      callback = opts;
      opts = {};
    }
    opts = utils.extend(true, {}, opts);

    if (typeof fun === 'function') {
      fun = {map : fun};
    }

    var promise = Promise.resolve().then(function () {
      return queryPromised(db, fun, opts);
    });
    utils.promisedCallback(promise, callback);
    return promise;
  };

  var viewCleanup = utils.callbackify(function () {
    var db = this;
    return localViewCleanup(db);
  });

  return {
    query: query,
    viewCleanup: viewCleanup
  };
}

module.exports = createIndexer;

}).call(this,require('_process'))
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= require('./taskqueue');\nvar collate = pouchCollate.collate;\nvar toIndexableString = pouchCollate.toIndexableString;\nvar normalizeKey = pouchCollate.normalizeKey;\nvar createView = require('./create-view');\nvar log;\n/* istanbul ignore else */\nif ((typeof console !== 'undefined') && (typeof console.log === 'function')) {\n  log = Function.prototype.bind.call(console.log, console);\n} else {\n  log = function () {};\n}\nvar utils = require('./utils');\nvar Promise = utils.Promise;\nvar persistentQueues = {};\nvar tempViewQueue = new TaskQueue();\nvar CHANGES_BATCH_SIZE = 50;\n\nfunction QueryParseError(message) {\n  this.status = 400;\n  this.name = 'query_parse_error';\n  this.message = message;\n  this.error = true;\n  try {\n    Error.captureStackTrace(this, QueryParseError);\n  } catch (e) {}\n}\n\nutils.inherits(QueryParseError, Error);\n\nfunction NotFoundError(message) {\n  this.status = 404;\n  this.name = 'not_found';\n  this.message = message;\n  this.error = true;\n  try {\n    Error.captureStackTrace(this, NotFoundError);\n  } catch (e) {}\n}\n\nutils.inherits(NotFoundError, Error);\n\nfunction parseViewName(name) {\n  // can be either 'ddocname/viewname' or just 'viewname'\n  // (where the ddoc name is the same)\n  return name.indexOf('/') === -1 ? [name, name] : name.split('/');\n}\n\nfunction isGenOne(changes) {\n  // only return true if the current change is 1-\n  // and there are no other leafs\n  return changes.length === 1 && /^1-/.test(changes[0].rev);\n}\n\nfunction sortByKeyThenValue(x, y) {\n  var keyCompare = collate(x.key, y.key);\n  return keyCompare !== 0 ? keyCompare : collate(x.value, y.value);\n}\n\nfunction sliceResults(results, limit, skip) {\n  skip = skip || 0;\n  if (typeof limit === 'number') {\n    return results.slice(skip, limit + skip);\n  } else if (skip > 0) {\n    return results.slice(skip);\n  }\n  return results;\n}\n\nfunction rowToDocId(row) {\n  var val = row.value;\n  // Users can explicitly specify a joined doc _id, or it\n  // defaults to the doc _id that emitted the key/value.\n  var docId = (val && typeof val === 'object' && val._id) || row.id;\n  return docId;\n}\n\nfunction emitError(db, e) {\n  try {\n    db.emit('error', e);\n  } catch (err) {\n    console.error(\n      'The user\\'s map/reduce function threw an uncaught error.\\n' +\n      'You can debug this error by doing:\\n' +\n      'myDatabase.on(\\'error\\', function (err) { debugger; });\\n' +\n      'Please double-check your map/reduce function.');\n    console.error(e);\n  }\n}\n\nfunction tryCode(db, fun, args) {\n  // emit an event if there was an error thrown by a map/reduce function.\n  // putting try/catches in a single function also avoids deoptimizations.\n  try {\n    return {\n      output : fun.apply(null, args)\n    };\n  } catch (e) {\n    emitError(db, e);\n    return {error: e};\n  }\n}\n\nfunction checkQueryParseError(options, fun) {\n  var startkeyName = options.descending ? 'endkey' : 'startkey';\n  var endkeyName = options.descending ? 'startkey' : 'endkey';\n\n  if (typeof options[startkeyName] !== 'undefined' &&\n    typeof options[endkeyName] !== 'undefined' &&\n    collate(options[startkeyName], options[endkeyName]) > 0) {\n    throw new QueryParseError('No rows can match your key range, reverse your ' +\n    'start_key and end_key or set {descending : true}');\n  } else if (fun.reduce && options.reduce !== false) {\n    if (options.include_docs) {\n      throw new QueryParseError('{include_docs:true} is invalid for reduce');\n    } else if (options.keys && options.keys.length > 1 &&\n      !options.group && !options.group_level) {\n      throw new QueryParseError('Multi-key fetches for reduce views must use {group: true}');\n    }\n  }\n  if (options.group_level) {\n    if (typeof options.group_level !== 'number') {\n      throw new QueryParseError('Invalid value for integer: \"' + options.group_level + '\"');\n    }\n    if (options.group_level < 0) {\n      throw new QueryParseError('Invalid value for positive integer: ' +\n      '\"' + options.group_level + '\"');\n    }\n  }\n}\n\nfunction defaultsTo(value) {\n  return function (reason) {\n    /* istanbul ignore else */\n    if (reason.status === 404) {\n      return value;\n    } else {\n      throw reason;\n    }\n  };\n}\n\nfunction createIndexer(def) {\n\n  var pluginName = def.name;\n  var mapper = def.mapper;\n  var reducer = def.reducer;\n  var ddocValidator = def.ddocValidator;\n\n\n  // returns a promise for a list of docs to update, based on the input docId.\n  // the order doesn't matter, because post-3.2.0, bulkDocs\n  // is an atomic operation in all three adapters.\n  function getDocsToPersist(docId, view, docIdsToChangesAndEmits) {\n    var metaDocId = '_local/doc_' + docId;\n    var defaultMetaDoc = {_id: metaDocId, keys: []};\n    var docData = docIdsToChangesAndEmits[docId];\n    var indexableKeysToKeyValues = docData.indexableKeysToKeyValues;\n    var changes = docData.changes;\n\n    function getMetaDoc() {\n      if (isGenOne(changes)) {\n        // generation 1, so we can safely assume initial state\n        // for performance reasons (avoids unnecessary GETs)\n        return Promise.resolve(defaultMetaDoc);\n      }\n      return view.db.get(metaDocId).catch(defaultsTo(defaultMetaDoc));\n    }\n\n    function getKeyValueDocs(metaDoc) {\n      if (!metaDoc.keys.length) {\n        // no keys, no need for a lookup\n        return Promise.resolve({rows: []});\n      }\n      return view.db.allDocs({\n        keys: metaDoc.keys,\n        include_docs: true\n      });\n    }\n\n    function processKvDocs(metaDoc, kvDocsRes) {\n      var kvDocs = [];\n      var oldKeysMap = {};\n\n      for (var i = 0, len = kvDocsRes.rows.length; i < len; i++) {\n        var row = kvDocsRes.rows[i];\n        var doc = row.doc;\n        if (!doc) { // deleted\n          continue;\n        }\n        kvDocs.push(doc);\n        oldKeysMap[doc._id] = true;\n        doc._deleted = !indexableKeysToKeyValues[doc._id];\n        if (!doc._deleted) {\n          var keyValue = indexableKeysToKeyValues[doc._id];\n          if ('value' in keyValue) {\n            doc.value = keyValue.value;\n          }\n        }\n      }\n\n      var newKeys = Object.keys(indexableKeysToKeyValues);\n      newKeys.forEach(function (key) {\n        if (!oldKeysMap[key]) {\n          // new doc\n          var kvDoc = {\n            _id: key\n          };\n          var keyValue = indexableKeysToKeyValues[key];\n          if ('value' in keyValue) {\n            kvDoc.value = keyValue.value;\n          }\n          kvDocs.push(kvDoc);\n        }\n      });\n      metaDoc.keys = utils.uniq(newKeys.concat(metaDoc.keys));\n      kvDocs.push(metaDoc);\n\n      return kvDocs;\n    }\n\n    return getMetaDoc().then(function (metaDoc) {\n      return getKeyValueDocs(metaDoc).then(function (kvDocsRes) {\n        return processKvDocs(metaDoc, kvDocsRes);\n      });\n    });\n  }\n\n  // updates all emitted key/value docs and metaDocs in the mrview database\n  // for the given batch of documents from the source database\n  function saveKeyValues(view, docIdsToChangesAndEmits, seq) {\n    var seqDocId = '_local/lastSeq';\n    return view.db.get(seqDocId)\n    .catch(defaultsTo({_id: seqDocId, seq: 0}))\n    .then(function (lastSeqDoc) {\n      var docIds = Object.keys(docIdsToChangesAndEmits);\n      return Promise.all(docIds.map(function (docId) {\n        return getDocsToPersist(docId, view, docIdsToC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