Console.log not being run when using promise in NodeJS

Question

This is driving me crazy. I have the code below and when I run it, I only have debug-1 print. If I comment out the where declaration I get debug-1 and debug-2 to print.

        console.log( 'debug-1' )
        var where = {
            compound_id: study.compound_id,
            species: {
                "like": ( species + "*" )
            },
            study_start: {
                "<=": study.study_start
            },
            study_start: {
                ">=": threeYearsBeforeStudy
            }
        }
        console.log( 'debug-2' )

Super peculiar. I have this block inside a promise, but I'm sure that shouldn't be an issue.

Answer 1

Add the code

process.on('unhandledRejection', console.log.bind(console))

to the top of your node file after your dependencies. That will let you know what is going wrong, it seems you are running into an error with your promise without handling it anywhere.