mirror of https://github.com/jkjoy/sunpeiwen.git
47 lines
968 B
JavaScript
47 lines
968 B
JavaScript
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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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module.exports = (filename, opts = {}) => {
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const startDir = path.resolve(opts.cwd || '');
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const {root} = path.parse(startDir);
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const filenames = [].concat(filename);
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return new Promise(resolve => {
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(function find(dir) {
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locatePath(filenames, {cwd: dir}).then(file => {
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if (file) {
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resolve(path.join(dir, file));
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} else if (dir === root) {
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resolve(null);
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} else {
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find(path.dirname(dir));
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}
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});
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})(startDir);
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});
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};
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module.exports.sync = (filename, opts = {}) => {
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let dir = path.resolve(opts.cwd || '');
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const {root} = path.parse(dir);
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const filenames = [].concat(filename);
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// eslint-disable-next-line no-constant-condition
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while (true) {
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const file = locatePath.sync(filenames, {cwd: dir});
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if (file) {
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return path.join(dir, file);
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}
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if (dir === root) {
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return null;
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}
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dir = path.dirname(dir);
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}
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};
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