text: 'use strict';
  
  Object.defineProperty(exports, "__esModule", {
      value: true
  });
  exports.default = processPattern;
  
  var _bluebird = require('bluebird');
  
  var _bluebird2 = _interopRequireDefault(_bluebird);
  
  var _path = require('path');
  
  var _path2 = _interopRequireDefault(_path);
  
  var _lodash = require('lodash');
  
  var _lodash2 = _interopRequireDefault(_lodash);
  
  var _minimatch = require('minimatch');
  
  var _minimatch2 = _interopRequireDefault(_minimatch);
  
  var _writeFile = require('./writeFile');
  
  var _writeFile2 = _interopRequireDefault(_writeFile);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  var globAsync = _bluebird2.default.promisify(require('glob')); // eslint-disable-line import/no-commonjs
  
  function processPattern(globalRef, pattern) {
      var info = globalRef.info,
          debug = globalRef.debug,
          output = globalRef.output,
          concurrency = globalRef.concurrency;
  
      var globArgs = _lodash2.default.assign({
          cwd: pattern.context
      }, pattern.fromArgs || {});
  
      if (pattern.fromType === 'nonexistent') {
          return _bluebird2.default.resolve();
      }
  
      info('begin globbing \'' + pattern.absoluteFrom + '\' with a context of \'' + pattern.context + '\'');
      return globAsync(pattern.absoluteFrom, globArgs).map(function (fileFrom) {
          var file = {
              force: pattern.force,
              absoluteFrom: _path2.default.resolve(pattern.context, fileFrom)
          };
          file.relativeFrom = _path2.default.relative(pattern.context, file.absoluteFrom);
  
          if (pattern.flatten) {
              file.relativeFrom = _path2.default.basename(file.relativeFrom);
          }
  
          debug('found ' + fileFrom);
  
          // Check the ignore list
          var il = pattern.ignore.length;
          while (il--) {
              var ignoreGlob = pattern.ignore[il];
  
              var globParams = {
                  dot: true,
                  matchBase: true
              };
  
              var glob = void 0;
              if (_lodash2.default.isString(ignoreGlob)) {
                  glob = ignoreGlob;
              } else if (_lodash2.default.isObject(ignoreGlob)) {
                  glob = ignoreGlob.glob || '';
                  // Overwrite minimatch defaults
                  globParams = _lodash2.default.assign(globParams, _lodash2.default.omit(ignoreGlob, ['glob']));
              } else {
                  glob = '';
              }
  
              debug('testing ' + glob + ' against ' + file.relativeFrom);
              if ((0, _minimatch2.default)(file.relativeFrom, glob, globParams)) {
                  info('ignoring \'' + file.relativeFrom + '\', because it matches the ignore glob \'' + glob + '\'');
                  return;
              } else {
                  debug(glob + ' doesn\'t match ' + file.relativeFrom);
              }
          }
  
          // Change the to path to be relative for webpack
          if (pattern.toType === 'dir') {
              file.webpackTo = _path2.default.join(pattern.to, file.relativeFrom);
          } else if (pattern.toType === 'file') {
              file.webpackTo = pattern.to || file.relativeFrom;
          } else if (pattern.toType === 'template') {
              file.webpackTo = pattern.to;
          }
  
          if (_path2.default.isAbsolute(file.webpackTo)) {
              if (output === '/') {
                  throw '[copy-webpack-plugin] Using older versions of webpack-dev-server, devServer.outputPath must be defined to write to absolute paths';
              }
  
              file.webpackTo = _path2.default.relative(output, file.webpackTo);
          }
  
          // ensure forward slashes
          file.webpackTo = file.webpackTo.replace(/\\/g, '/');
  
          info('determined that \'' + fileFrom + '\' should write to \'' + file.webpackTo + '\'');
  
          return (0, _writeFile2.default)(globalRef, pattern, file);
      }, { concurrency: concurrency || 100 }); // This is usually less than file read maximums while staying performant
  }