.config/coc/extensions/node_modules/coc-prettier/node_modules/read-pkg-up/node_modules/find-up/index.js

   1 'use strict';
   2 var path = require('path');
   3 var pathExists = require('path-exists');
   4 var Promise = require('pinkie-promise');
   5
   6 function splitPath(x) {
   7         return path.resolve(x || '').split(path.sep);
   8 }
   9
  10 function join(parts, filename) {
  11         return path.resolve(parts.join(path.sep) + path.sep, filename);
  12 }
  13
  14 module.exports = function (filename, opts) {
  15         opts = opts || {};
  16
  17         var parts = splitPath(opts.cwd);
  18
  19         return new Promise(function (resolve) {
  20                 (function find() {
  21                         var fp = join(parts, filename);
  22
  23                         pathExists(fp).then(function (exists) {
  24                                 if (exists) {
  25                                         resolve(fp);
  26                                 } else if (parts.pop()) {
  27                                         find();
  28                                 } else {
  29                                         resolve(null);
  30                                 }
  31                         });
  32                 })();
  33         });
  34 };
  35
  36 module.exports.sync = function (filename, opts) {
  37         opts = opts || {};
  38
  39         var parts = splitPath(opts.cwd);
  40         var len = parts.length;
  41
  42         while (len--) {
  43                 var fp = join(parts, filename);
  44
  45                 if (pathExists.sync(fp)) {
  46                         return fp;
  47                 }
  48
  49                 parts.pop();
  50         }
  51
  52         return null;
  53 };