Latest version of connect-mongo not supported by session hook

[ElizabethForest]

Node version: v10.6.0
Sails version (sails): v1.4.4
ORM hook version (sails-hook-orm): v3.0.2
Sockets hook version (sails-hook-sockets): v2.0.1
Organics hook version (sails-hook-organics): -
Grunt hook version (sails-hook-grunt): v4.0.1
Uploads hook version (sails-hook-uploads): -
DB adapter & version (e.g. [email protected]): -
Skipper adapter & version (e.g. [email protected]): -
connect-mongo version: v4.5.0

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The latest version of connect-mongo (v4) is not supported by the Sails session hook. This is a problem for me because it implements an important bug fix.

The connect-mongo update is a breaking change with the key difference (mentioned in the connect-mongo migration docs):

Create the store using MongoStore.create(options) instead of new MongoStore(options)

This causes an error at https://github.com/balderdashy/sails/blob/master/lib/hooks/session/index.js#L405

error: Failed to lift app: Error: Encountered error attempting to instantiate a session store using the installed version of `connect-mongo` (a session adapter).
Raw error from the session adapter:
---
TypeError: Class constructor MongoStore cannot be invoked without 'new'
    at afterMaybeConnectToRedis (/opt/redbox-portal/node_modules/sails/lib/hooks/session/index.js:405:33)
    ...

I am happy to look at implementing a fix and submitting a PR. I assume the fix would need to be backwards compatible with the older versions of connect-mongo?

[sailsbot]

@ElizabethForest Thanks for posting! We'll take a look as soon as possible.

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