'use strict';

exports.__esModule = true;
// istanbul ignore next

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

var _exception = require('../exception');

var _exception2 = _interopRequireDefault(_exception);

exports['default'] = function (instance) {
  instance.registerHelper('helperMissing', function () /* [args, ]options */{
    if (arguments.length === 1) {
      // A missing field in a {{foo}} construct.
      return undefined;
    } else {
      // Someone is actually trying to call something, blow up.
      throw new _exception2['default']('Missing helper: "' + arguments[arguments.length - 1].name + '"');
    }
  });
};

module.exports = exports['default'];
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