code: function matchesStrictComparable(key, srcValue) {
        return function(object) {
          if (object == null) {
            return false;
          }
          return object[key] === srcValue &&
            (srcValue !== undefined$1 || (key in Object(object)));
        };
      }
docs: A specialized version of `matchesProperty` for source values suitable
  for strict equality comparisons, i.e. `===`.
  
  @private
  @param {string} key The key of the property to get.
  @param {*} srcValue The value to match.
  @returns {Function} Returns the new spec function.