typescript export object error declaration or statement expected

Question

Can someone please explain why this works in typescript while exporting an object:

export const config={
port:4000
};

This also works:

const config = { port:4000 };
export { config };

But this gives an error

const config={
  port:4000
};
export config;

Error : declaration or statement expected.

im just curious to understand how typescript 'export' differs from node.js 'exports' — noob7
– noob7, Commented Aug 31, 2017 at 15:12
typescript export is about the same as javascript export which is a newer, better language feature, designed to replace node exports but somewhat incompatible with it. — artem
– artem, Commented Aug 31, 2017 at 15:41

Arpit Solanki · Accepted Answer · 2017-08-31 15:16:26Z

2

export expects a type object or curly braces. The second version is a syntax error.

If you want to export just a config objects then do

export const config = { port:4000 };

From the docs:

This can also be written as export {config};

edited Aug 31, 2017 at 15:16

answered Aug 31, 2017 at 15:11

Arpit Solanki

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3 Comments

noob7 Over a year ago

but isint config an object here? Im sorry im just new with this

Arpit Solanki Over a year ago

config is an object but your export statement was syntactically incorrect. You need curly braces to export. Also you can export directly by putting export before declaration like mentioned above. @noob7

noob7 Over a year ago

as a followup, export default const x = ()=>console.log("abs"); also doesnt work but, const x = ()=>console.log("abs"); export default x; works

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