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"use strict";

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

var
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_utils = require("../utils");

function
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_default(instance) {
  instance.registerHelper('blockHelperMissing', function (context, options) {
    var inverse = options.inverse,
        fn = options.fn;

    if (context === true) {
      return fn(this);
    } else if (context === false || context == null) {
      return inverse(this);
    } else if (
    /*istanbul ignore next*/
    (0,
    /*istanbul ignore next*/
    _utils.
    /*istanbul ignore next*/
    isArray)(context)) {
      if (context.length > 0) {
        if (options.ids) {
          options.ids = [options.name];
        }

        return instance.helpers.each(context, options);
      } else {
        return inverse(this);
      }
    } else {
      if (options.data && options.ids) {
        var data =
        /*istanbul ignore next*/
        (0,
        /*istanbul ignore next*/
        _utils.
        /*istanbul ignore next*/
        createFrame)(options.data);
        data.contextPath =
        /*istanbul ignore next*/
        (0,
        /*istanbul ignore next*/
        _utils.
        /*istanbul ignore next*/
        appendContextPath)(options.data.contextPath, options.name);
        options = {
          data: data
        };
      }

      return fn(context, options);
    }
  });
}

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