Nodejs plugin says "No definition found" for import variables.

[Saravana Kumar]

var express    = require('express'); 
var router = express.Router();

For express.Router, the definition is sitting in node_modules/express/lib/router/index.js...

But tern is not recognizing this variable. I got into tern code, found out that inside infer.js#didGuess, the 'guessing' variable is set as true.

When goto-definition is ran from emacs, the control comes to lib/tern.js#findDef(). And here, since infer.didGuess() returns true, it gives an empty object.

so when will this flag be set as false, and why is it not reset in this case? 

[Saravana Kumar]

i found out, findExprType in lib/tern.js makes 'guess' flag as true.. but still clueless about when the flag will be made as false?

[Saravana Kumar]

and inside tern.js#findExprType, the expression

srv.passes['typeAt'] is undefined when 'No definition found' error occurs. srv is the Tern server object, which i can see get its 'passes' property set through plugin mechanism. And i can see, nodejs plugin implements three methods - preCondenseReach, postLoadRef, completion but i am not seeing typeAt defined anywhere...
What does the passes property in a server object do? 

On Saturday, 3 January 2015 22:20:47 UTC+5:30, Saravana Kumar wrote:

[Marijn Haverbeke]

Passes are hooks that plugins can register to do something when
certain events occur. The fact that there's no typeAt pass registered
in this case is not a bug.

The guess flag is reset when infer.resetGuessing is called. It is used
to track whether any guesses where made between two points in time.

As for why the express code does not work, I don't know, I haven't
tested with express yet.

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