The default value for the ReturnType<typeof setInterval> in both the browser and node environments

Question

The default value for the ReturnType<typeof setInterval> in both the browser and node environments

I have a question about setting the initial value for the intervalTimer in an Interval that I need to save. The type is

ReturnType<typeof setInterval>

.

  interface Data {
    intervalTimer: ReturnType<typeof setInterval>
}

var data : Data = {
    intervalTimer: "initial value????",
}

function start(){
    data.intervalTimer = setInterval(()=>console.log('PING'), 3000)
}

I am looking for a solution that works on both Node and Browser, since they return different values. Setting intervalTimer to 0 results in an error

Type 'Timeout' is not assignable to type 'number'

.

node.js typescript vue.js

Answer 1

Answer №1

While there may be a more sophisticated approach, one possibility is to establish an initial timeout that performs a no-operation task to ensure that the initial value of intervalTimer is of the correct type regardless of the environment:

interface Data {
    intervalTimer: ReturnType<typeof setTimeout>
}
const data: Data = {
    intervalTimer: setTimeout(() => void 0),
}

Answer 2

While there may be a more sophisticated approach, one possibility is to establish an initial timeout that performs a no-operation task to ensure that the initial value of intervalTimer is of the correct type regardless of the environment:

interface Data {
    intervalTimer: ReturnType<typeof setTimeout>
}
const data: Data = {
    intervalTimer: setTimeout(() => void 0),
}

The default value for the ReturnType<typeof setInterval> in both the browser and node environments

Answer №1

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