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index.js
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index.js
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'use strict';
const path = require('path');
const locatePath = require('locate-path');
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);
// eslint-disable-next-line no-constant-condition
while (true) {
// eslint-disable-next-line no-await-in-loop
const foundPath = await (typeof name === 'function' ? name(directory) : locatePath(paths, {...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);
// eslint-disable-next-line no-constant-condition
while (true) {
const foundPath = typeof name === 'function' ? name(directory) : locatePath.sync(paths, {...options, cwd: directory});
if (foundPath === stop) {
return;
}
if (foundPath) {
return path.resolve(directory, foundPath);
}
if (directory === root) {
return;
}
directory = path.dirname(directory);
}
};
module.exports.stop = stop;