brackets-npm-registry/dist/node/node-ensure.js

Install your extensions into Brackets using npm

/* eslint strict:0 */
'use strict';

/*
  returns current node process path
*/

var _require = require('bluebird');

var promisify = _require.promisify;
var promisifyAll = _require.promisifyAll;

var fs = promisifyAll(require('fs-extra'));
var path = require('path');
var which = promisify(require('which'));
var result = undefined;

module.exports = function () {
  if (result) {
    return result;
  }

  result = which('node')['catch'](function () {
    return null;
  }) // ignore the errors
  .then(function (whichNode) {
    // use the node from process.execPath so any compiled dependencies use same version of node as brackets
    // we need a symlink if process.execPath is different from node/node.exe
    var currentName = path.basename(process.execPath);
    var desiredName = process.platform === 'win32' ? 'node.exe' : 'node';

    if (currentName === desiredName) {
      return process.execPath;
    }

    var nodeSymlinkDir = path.resolve(__dirname, 'nodeSymlinkDir');
    var nodeLinkPath = path.resolve(nodeSymlinkDir, desiredName);
    return fs.ensureDirAsync(nodeSymlinkDir).then(function () {
      return fs.lstatAsync(nodeLinkPath);
    })['catch'](function () {
      return null;
    }) // ignore the errors
    .then(function (stat) {
      if (stat && stat.isSymbolicLink()) {
        return fs.unlinkAsync(nodeLinkPath);
      }
    }).then(function () {
      return fs.symlinkAsync(process.execPath, nodeLinkPath);
    }).then(function () {
      return nodeLinkPath;
    })['catch'](function (err) {
      if (whichNode) {
        return whichNode;
      }
      throw err;
    });
  });

  return result;
};
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