class not exporting

[zealous elk]

here is how In am exporting a class in my server.ts file and here is how I am importing it in another js file, I have compiled ts to js using "tsc -t es5 server.ts" command. but whenever I try to run node testserver.js which imports the exported class it gives me this error ?

import { Wsmt } from './server.js'
^^^^
SyntaxError: The requested module './server.js' does not provide an export named 'Wsmt'

[wicked citrus]

could you show what server.js contains?

[zealous elk]

The second image where I am exporting the class is the file server.ts

(Which I compile to server.js using the tsc cmd)

[wicked citrus]

yeah, but if that's what's in server.js then there should be no error.

so something's probably going wrong in server.js

[zealous elk]

Oh ok wait

[zealous elk]

is this enough? or want more?

[wicked citrus]

wait

exports.Wsmt is undefined???

does it get reassigned at the bottom?

wait

maybe try removing -t es5

[zealous elk]

Ok

[wicked citrus]

are you using type: module?

[zealous elk]

Ah the reason I included that was as accessors are only available when targeting excascript 5 or higher

[zealous elk]

Yes

Ping on replying

[wicked citrus]

it should target something pretty modern as default

surely at least es6

anyway you need at least es6 for the modules

[zealous elk]

I get that error if I remove the flags

[wicked citrus]

maybe module: es6 too (or whichever way you specify that for commandline)

hm

might want to use one of the default configs

[zealous elk]

How do I do that? Pretty new to ts

[wicked citrus]

https://www.npmjs.com/package/@tsconfig/node16

[zealous elk]

What is that like a package?

[wicked citrus]

full list of presets is here: https://github.com/tsconfig/bases

yeah

youd want to extend one of the preset tsconfigs from there

[zealous elk]

What are presets?

[wicked citrus]

*not want, but i think it's a great way to get started

[zealous elk]

Ok will do thanks

[wicked citrus]

not an actual term (apologies for the confusion), just implying that those should have all the appropriate options set for most common setups

so like, if youre using ESM youd just install the node16+esm version (with or without strictest) and youd be ready to go

*keep in mind that you still have to have a tsconfig.json - see the page for details

*also keep in mind that if you provide any configuration flags on the commandline, it ignores your tsconfig

[solar sierra]

Ik this is not related to the issuse but are you aware that {} type means "any non nullish value"?

[zealous elk]

oh no, I thought it meant dictionaries type

why do I get this error? Error: Cannot find module 'jsonwebtoken'

ok so installed jsonwebtoken without the @types thingy and it works now, what does @types signify?

[wicked citrus]

those are the type definitions (and only the type definitions)

actually, they're third-party (community contributed) type definitions

[zealous elk]

So basically people contributing time to add type definitions to js libs?

[wicked citrus]

yup

[zealous elk]

where are they hosted?

[wicked citrus]

https://github.com/DefinitelyTyped/DefinitelyTyped

[zealous elk]

So when u run npm install @types/libname mom downloads from there?

Npm*

[wicked citrus]

not quite

the types are automatically published from there, to @types/libname

because DefinitelyTyped owns the @types namespace

[zealous elk]

So npm hosts it on their website from there?

[wicked citrus]

well

all npm packages are hosted on npm

[zealous elk]

But the type definitions are done by other people that is not he lib owner?

The

[wicked citrus]

DefinitelyTyped basically does npm publish @types/libname whenever the community contributors decide to do a release

[wicked citrus]

yeah

[zealous elk]

Ohh

[wicked citrus]

i mean, it's a completely different package

might be useful to think of it as, they're all (kinda sorta) subpackages of a @types package

[zealous elk]

Ohh ok starting to make sense

[wicked citrus]

(i'm pretty sure this can't actually exist, namespaces can't be packages)

[solar sierra]

if you want object with unknown keys but known values then you want the Record<K, V> utility type or index signature in object type