| 'use strict'; | |
| const path = require('path'); | |
| const locatePath = require('locate-path'); | |
| const pathExists = require('path-exists'); | |
| 
 | |
| const stop = Symbol('findUp.stop'); | |
| 
 | |
| module.exports = async (name, options = {}) => { | |
| 	let directory = path.resolve(options.cwd || ''); | |
| 	const {root} = path.parse(directory); | |
| 	const paths = [].concat(name); | |
| 
 | |
| 	const runMatcher = async locateOptions => { | |
| 		if (typeof name !== 'function') { | |
| 			return locatePath(paths, locateOptions); | |
| 		} | |
| 
 | |
| 		const foundPath = await name(locateOptions.cwd); | |
| 		if (typeof foundPath === 'string') { | |
| 			return locatePath([foundPath], locateOptions); | |
| 		} | |
| 
 | |
| 		return foundPath; | |
| 	}; | |
| 
 | |
| 	// eslint-disable-next-line no-constant-condition | |
| 	while (true) { | |
| 		// eslint-disable-next-line no-await-in-loop | |
| 		const foundPath = await runMatcher({...options, cwd: directory}); | |
| 
 | |
| 		if (foundPath === stop) { | |
| 			return; | |
| 		} | |
| 
 | |
| 		if (foundPath) { | |
| 			return path.resolve(directory, foundPath); | |
| 		} | |
| 
 | |
| 		if (directory === root) { | |
| 			return; | |
| 		} | |
| 
 | |
| 		directory = path.dirname(directory); | |
| 	} | |
| }; | |
| 
 | |
| module.exports.sync = (name, options = {}) => { | |
| 	let directory = path.resolve(options.cwd || ''); | |
| 	const {root} = path.parse(directory); | |
| 	const paths = [].concat(name); | |
| 
 | |
| 	const runMatcher = locateOptions => { | |
| 		if (typeof name !== 'function') { | |
| 			return locatePath.sync(paths, locateOptions); | |
| 		} | |
| 
 | |
| 		const foundPath = name(locateOptions.cwd); | |
| 		if (typeof foundPath === 'string') { | |
| 			return locatePath.sync([foundPath], locateOptions); | |
| 		} | |
| 
 | |
| 		return foundPath; | |
| 	}; | |
| 
 | |
| 	// eslint-disable-next-line no-constant-condition | |
| 	while (true) { | |
| 		const foundPath = runMatcher({...options, cwd: directory}); | |
| 
 | |
| 		if (foundPath === stop) { | |
| 			return; | |
| 		} | |
| 
 | |
| 		if (foundPath) { | |
| 			return path.resolve(directory, foundPath); | |
| 		} | |
| 
 | |
| 		if (directory === root) { | |
| 			return; | |
| 		} | |
| 
 | |
| 		directory = path.dirname(directory); | |
| 	} | |
| }; | |
| 
 | |
| module.exports.exists = pathExists; | |
| 
 | |
| module.exports.sync.exists = pathExists.sync; | |
| 
 | |
| module.exports.stop = stop;
 |