chainscript/lib/utils/hashFiles.js

Client for chainscript.io

'use strict';

exports.__esModule = true;
exports['default'] = hashFiles;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _objectPath = require('object-path');

var _objectPath2 = _interopRequireDefault(_objectPath);

var _ignore = require('ignore');

var _ignore2 = _interopRequireDefault(_ignore);

var _walkDir = require('./walkDir');

var _walkDir2 = _interopRequireDefault(_walkDir);

var _hashFile = require('./hashFile');

var _hashFile2 = _interopRequireDefault(_hashFile);

var ignorer = _ignore2['default']().addIgnoreFile(_ignore2['default'].select(['.csignore', '.gitignore']));

function hashDir(cwd, dir, algorithm, hashes) {
  return _walkDir2['default'](dir, function (files) {
    return ignorer.filter(files.map(function (f) {
      return _path2['default'].relative(cwd, f);
    }));
  }, function (file) {
    return _hashFile2['default'](file, algorithm).then(function (hash) {
      return hashes[hash] = _path2['default'].relative(cwd, file);
    });
  });
}

function hashFiles(cwd, paths) {
  var algorithm = arguments.length <= 2 || arguments[2] === undefined ? 'sha256' : arguments[2];
  var root = arguments.length <= 3 || arguments[3] === undefined ? '' : arguments[3];

  var hashes = {};
  var dirs = [].concat(paths);

  var next = function next() {
    if (dirs.length === 0) {
      var json = undefined;

      if (root) {
        json = {};
        _objectPath2['default'].set(json, root || '', hashes);
      } else {
        json = hashes;
      }

      return json;
    }

    return hashDir(cwd, dirs.shift(), algorithm, hashes).then(next);
  };

  return next();
}

module.exports = exports['default'];