source: trip-planner-front/node_modules/callsites/index.d.ts

declare namespace callsites {
        interface CallSite {
                /**
                Returns the value of `this`.
                */
                getThis(): unknown | undefined;

                /**
                Returns the type of `this` as a string. This is the name of the function stored in the constructor field of `this`, if available, otherwise the object's `[[Class]]` internal property.
                */
                getTypeName(): string | null;

                /**
                Returns the current function.
                */
                getFunction(): Function | undefined;

                /**
                Returns the name of the current function, typically its `name` property. If a name property is not available an attempt will be made to try to infer a name from the function's context.
                */
                getFunctionName(): string | null;

                /**
                Returns the name of the property of `this` or one of its prototypes that holds the current function.
                */
                getMethodName(): string | undefined;

                /**
                Returns the name of the script if this function was defined in a script.
                */
                getFileName(): string | null;

                /**
                Returns the current line number if this function was defined in a script.
                */
                getLineNumber(): number | null;

                /**
                Returns the current column number if this function was defined in a script.
                */
                getColumnNumber(): number | null;

                /**
                Returns a string representing the location where `eval` was called if this function was created using a call to `eval`.
                */
                getEvalOrigin(): string | undefined;

                /**
                Returns `true` if this is a top-level invocation, that is, if it's a global object.
                */
                isToplevel(): boolean;

                /**
                Returns `true` if this call takes place in code defined by a call to `eval`.
                */
                isEval(): boolean;

                /**
                Returns `true` if this call is in native V8 code.
                */
                isNative(): boolean;

                /**
                Returns `true` if this is a constructor call.
                */
                isConstructor(): boolean;
        }
}

declare const callsites: {
        /**
        Get callsites from the V8 stack trace API.

        @returns An array of `CallSite` objects.

        @example
        ```
        import callsites = require('callsites');

        function unicorn() {
                console.log(callsites()[0].getFileName());
                //=> '/Users/sindresorhus/dev/callsites/test.js'
        }

        unicorn();
        ```
        */
        (): callsites.CallSite[];

        // TODO: Remove this for the next major release, refactor the whole definition to:
        // declare function callsites(): callsites.CallSite[];
        // export = callsites;
        default: typeof callsites;
};

export = callsites;