source: frontend/node_modules/find-up/index.d.ts

import {Options as LocatePathOptions} from 'locate-path';

declare const stop: unique symbol;

declare namespace findUp {
        interface Options extends LocatePathOptions {}

        type StopSymbol = typeof stop;

        type Match = string | StopSymbol | undefined;
}

declare const findUp: {
        /**
        Find a file or directory by walking up parent directories.

        @param name - Name of the file or directory to find. Can be multiple.
        @returns The first path found (by respecting the order of `name`s) or `undefined` if none could be found.

        @example
        ```
        // /
        // └── Users
        //     └── sindresorhus
        //         ├── unicorn.png
        //         └── foo
        //             └── bar
        //                 ├── baz
        //                 └── example.js

        // example.js
        import findUp = require('find-up');

        (async () => {
                console.log(await findUp('unicorn.png'));
                //=> '/Users/sindresorhus/unicorn.png'

                console.log(await findUp(['rainbow.png', 'unicorn.png']));
                //=> '/Users/sindresorhus/unicorn.png'
        })();
        ```
        */
        (name: string | string[], options?: findUp.Options): Promise<string | undefined>;

        /**
        Find a file or directory by walking up parent directories.

        @param matcher - Called for each directory in the search. Return a path or `findUp.stop` to stop the search.
        @returns The first path found or `undefined` if none could be found.

        @example
        ```
        import path = require('path');
        import findUp = require('find-up');

        (async () => {
                console.log(await findUp(async directory => {
                        const hasUnicorns = await findUp.exists(path.join(directory, 'unicorn.png'));
                        return hasUnicorns && directory;
                }, {type: 'directory'}));
                //=> '/Users/sindresorhus'
        })();
        ```
        */
        (matcher: (directory: string) => (findUp.Match | Promise<findUp.Match>), options?: findUp.Options): Promise<string | undefined>;

        sync: {
                /**
                Synchronously find a file or directory by walking up parent directories.

                @param name - Name of the file or directory to find. Can be multiple.
                @returns The first path found (by respecting the order of `name`s) or `undefined` if none could be found.
                */
                (name: string | string[], options?: findUp.Options): string | undefined;

                /**
                Synchronously find a file or directory by walking up parent directories.

                @param matcher - Called for each directory in the search. Return a path or `findUp.stop` to stop the search.
                @returns The first path found or `undefined` if none could be found.

                @example
                ```
                import path = require('path');
                import findUp = require('find-up');

                console.log(findUp.sync(directory => {
                        const hasUnicorns = findUp.sync.exists(path.join(directory, 'unicorn.png'));
                        return hasUnicorns && directory;
                }, {type: 'directory'}));
                //=> '/Users/sindresorhus'
                ```
                */
                (matcher: (directory: string) => findUp.Match, options?: findUp.Options): string | undefined;

                /**
                Synchronously check if a path exists.

                @param path - Path to the file or directory.
                @returns Whether the path exists.

                @example
                ```
                import findUp = require('find-up');

                console.log(findUp.sync.exists('/Users/sindresorhus/unicorn.png'));
                //=> true
                ```
                */
                exists(path: string): boolean;
        }

        /**
        Check if a path exists.

        @param path - Path to a file or directory.
        @returns Whether the path exists.

        @example
        ```
        import findUp = require('find-up');

        (async () => {
                console.log(await findUp.exists('/Users/sindresorhus/unicorn.png'));
                //=> true
        })();
        ```
        */
        exists(path: string): Promise<boolean>;

        /**
        Return this in a `matcher` function to stop the search and force `findUp` to immediately return `undefined`.
        */
        readonly stop: findUp.StopSymbol;
};

export = findUp;