I am encountering an issue while trying to declare an external module that does not have existing typings.
This library has a function that returns a string and takes no arguments.
My attempt to define it in a .d.ts file is as follows:
declare module "cuid" {
export function cuid(): string;
}
When importing in my code with import * as cuid from 'cuid';
An error occurs when I try to use it with cuid():
error TS2349: Cannot invoke an expression whose type lacks a call signature.export function cuidThis code snippet aligns with your specified declaration:
import {cuid} from 'cuid';
Explore this comprehensive guide on ES6 modules.
export =Consider the following implementation:
declare module "cuid" {
function cuid(): string;
export = cuid;
}
... Then you can import and use it as follows: import cuid = require('cuid').
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