/*istanbul ignore next*/
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = _default;

var
/*istanbul ignore next*/
_exception = _interopRequireDefault(require("../exception"));

/*istanbul ignore next*/ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function
/*istanbul ignore next*/
_default(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
      /*istanbul ignore next*/
      _exception[
      /*istanbul ignore next*/
      "default"]('Missing helper: "' + arguments[arguments.length - 1].name + '"');
    }
  });
}

/*istanbul ignore next*/
module.exports = exports.default;
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