lib/evalView.js

export default evalView;
function evalView(input) {
  /*jshint evil: true */
  return eval([
    '(function () {',
    '  return function (doc) {',
    '    var emitted = false;',
    '    var emit = function (a, b) {',
    '      emitted = true;',
    '    };',
    '    var view = ' + input + ';',
    '    view(doc);',
    '    if (emitted) {',
    '      return true;',
    '    }',
    '  }',
    '})()'
  ].join('\n'));
}