53 lines
951 B
JavaScript
53 lines
951 B
JavaScript
'use strict';
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var path = require('path');
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var pathExists = require('path-exists');
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var Promise = require('pinkie-promise');
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function splitPath(x) {
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return path.resolve(x || '').split(path.sep);
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}
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function join(parts, filename) {
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return path.resolve(parts.join(path.sep) + path.sep, filename);
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}
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module.exports = function (filename, opts) {
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opts = opts || {};
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var parts = splitPath(opts.cwd);
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return new Promise(function (resolve) {
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(function find() {
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var fp = join(parts, filename);
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pathExists(fp).then(function (exists) {
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if (exists) {
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resolve(fp);
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} else if (parts.pop()) {
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find();
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} else {
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resolve(null);
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}
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});
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})();
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});
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};
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module.exports.sync = function (filename, opts) {
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opts = opts || {};
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var parts = splitPath(opts.cwd);
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var len = parts.length;
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while (len--) {
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var fp = join(parts, filename);
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if (pathExists.sync(fp)) {
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return fp;
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}
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parts.pop();
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}
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return null;
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};
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