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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;