how to use the secondstomilliseconds function from the date-fns library in typescript

In order to use the secondstomilliseconds function from the date-fns library in TypeScript, you first need to install the library:

npm install --save date-fns
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Then, you can import the function and use it like this:

index.ts
import { secondstomilliseconds } from 'date-fns';

const seconds = 42;
const milliseconds = secondstomilliseconds(seconds);

console.log(milliseconds); // 42000
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This will convert 42 seconds to 42000 milliseconds.

Note that if you're using TypeScript with ES modules, you may need to add "esModuleInterop": true to your tsconfig.json file to avoid any compilation errors.