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