(#4224) - remove CRUD events

docs/_includes/api/changes.html

@@ -7,7 +7,7 @@
 A list of changes made to documents in the database, in the order they were made.
 It returns an object with the method `cancel()`, which you call if you don't want to listen to new changes anymore.
 
-It is an [event emitter][event emitter] and will emit a `'change'` event on each document change, a `'complete'` event when all the changes have been processed, and an `'error'` event when an error occurs. In addition to the `'change'` event, any change will also emit a `'create'`, `'update'`, or `'delete'` event.
+It is an [event emitter][event emitter] and will emit a `'change'` event on each document change, a `'complete'` event when all the changes have been processed, and an `'error'` event when an error occurs.
 
 ### Options
 

lib/changes.js

@@ -47,14 +47,6 @@ function Changes(db, opts, callback) {
     if (self.startSeq && self.startSeq <= change.seq) {
       self.startSeq = false;
     }
-    if (change.deleted) {
-      self.emit('delete', change);
-    } else if (change.changes.length === 1 &&
-      change.changes[0].rev.slice(0, 2) === '1-') {
-      self.emit('create', change);
-    } else {
-      self.emit('update', change);
-    }
   };
 
   var promise = new utils.Promise(function (fulfill, reject) {

tests/integration/test.changes.js

@@ -2291,88 +2291,6 @@ adapters.forEach(function (adapter) {
       });
       db.post({key: 'value'});
     });
-    function waitASec(fun, time) {
-      return new PouchDB.utils.Promise(function (fulfill) {
-        setTimeout(function () {
-          fulfill(fun());
-        }, time);
-      });
-    }
-    it('CRUD events are handled correclty', function (done) {
-      var db = new PouchDB(dbs.name);
-      var changes = db.changes({
-        live: true,
-        style: 'all_docs'
-      });
-      var deleted = 0;
-      var updated = 0;
-      var created = 0;
-      function chuckDone() {
-        if ((deleted + updated + created) === 6) {
-          changes.cancel();
-        }
-      }
-      changes.on('cancel', function () {
-        setTimeout(function () {
-          deleted.should.equal(1, 'correct number of deleted');
-          created.should.equal(2, 'create number of created');
-          updated.should.equal(3, 'correct number of updates');
-          done();
-        }, 100);
-      }).on('delete', function (change) {
-        deleted++;
-        chuckDone();
-      }).on('create', function (change) {
-        created++;
-        chuckDone();
-      }).on('update', function (change) {
-        updated++;
-        chuckDone();
-      }).on('error', function (err) {
-        done(err);
-      });
-      var rev1, rev2;
-      db.put({
-        title: 'Holding On For Life'
-      }, 'currentSong').then(function (resp) {
-        rev1 = resp.rev;
-        return waitASec(function () {
-          return db.put({
-            title: 'Sushi'
-          }, 'nextSong');
-        }, 100);
-      }).then(function (resp) {
-        rev2 = resp.rev;
-        return waitASec(function () {
-          return db.put({
-            title: 'Holding On For Life',
-            artist: 'Broken Bells'
-          }, 'currentSong', rev1);
-        }, 100);
-      }).then(function (resp) {
-        rev1 = resp.rev;
-        return waitASec(function () {
-          return db.put({
-              title: 'Sushi',
-              artist: 'Kyle Andrews'
-            }, 'nextSong', rev2);
-        }, 100);
-      }).then(function (resp) {
-        rev2 = resp.rev;
-        return waitASec(function () {
-          return db.remove({
-            _id: 'currentSong',
-            _rev: rev1
-          });
-        }, 100);
-      }).then(function (resp) {
-        return db.put({
-          title: 'Sushi',
-          artist: 'Kyle Andrews',
-          album: 'Real Blasty'
-        }, 'nextSong', rev2);
-      });
-    });
 
     it('supports returnDocs=false', function (done) {
       var db = new PouchDB(dbs.name);