The term 'detailed' is not a valid property for the type 'Console'

Question

The term 'detailed' is not a valid property for the type 'Console'

I enjoy customizing my console logs.

//-- Personalized console logging functions
console.detailed = function(payload) {
    return console.log(util.inspect(payload, { showHidden: false, depth: null }))
}

console.notice = function(payload) {
    return console.log('\x1b[33m%s\x1b[0m', payload)
}

Recently I started using TypeScript and encountered an error that says

Property 'detailed' does not exist on type 'Console'

or

Property 'notice' does not exist on type 'Console'.

If anyone could help me resolve this issue, it would be much appreciated.

Update: In response to Saravana's answer, can someone explain the solution in simpler terms?

In TypeScript, when a file contains a top-level import or export, it is considered a module. Otherwise, a file without these declarations is treated as a script available in the global scope. You may need to wrap your code inside global if you are working within a module context.

Additionally,

If you are facing this issue while working within a module, consider wrapping your code inside the global scope. For more information, refer to this link

typescript

Answer 1

Answer №1

To incorporate a new method, you must enhance the Console interface by following these steps:

interface Console {
    detailed: (payload: any) => void
}

console.detailed("works");

If your file acts as a module with import or export statements, it's essential to declare this in the global scope:

In case your file functions as a module:

import * as moment from "moment"; // This makes this file a module

declare global {
    interface Console {
        detailed: (payload: any) => void
    }
}

// Definition of the new method
console.detailed = (payload) => {
    console.log("Timestamp:", moment().unix());
    console.log(payload);
}

// Implementation
console.detailed("works");

Answer 2

To incorporate a new method, you must enhance the Console interface by following these steps:

interface Console {
    detailed: (payload: any) => void
}

console.detailed("works");

If your file acts as a module with import or export statements, it's essential to declare this in the global scope:

In case your file functions as a module:

import * as moment from "moment"; // This makes this file a module

declare global {
    interface Console {
        detailed: (payload: any) => void
    }
}

// Definition of the new method
console.detailed = (payload) => {
    console.log("Timestamp:", moment().unix());
    console.log(payload);
}

// Implementation
console.detailed("works");

The term 'detailed' is not a valid property for the type 'Console'

Answer №1

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