Add Hx-Reselect

src/Htmx/HtmxResponseHeaders.cs

@@ -22,20 +22,32 @@ public class HtmxResponseHeaders
 
  public static class Keys
  {
- public const string PushUrl = "HX-Push-Url";
+ // Sorted by https://htmx.org/reference/#response_headers to make it easier to update
  public const string Location = "HX-Location";
+ public const string PushUrl = "HX-Push-Url";
  public const string Redirect = "HX-Redirect";
  public const string Refresh = "HX-Refresh";
+ public const string ReplaceUrl = "HX-Replace-Url";
+ public const string Reswap = "HX-Reswap";
+ public const string Retarget = "HX-Retarget";
+ public const string Reselect = "HX-Reselect";
  public const string Trigger = "HX-Trigger";
  public const string TriggerAfterSettle = "HX-Trigger-After-Settle";
  public const string TriggerAfterSwap = "HX-Trigger-After-Swap";
- public const string Reswap = "HX-Reswap";
- public const string Retarget = "HX-Retarget";
- public const string ReplaceUrl = "HX-Replace-Url";
 
  public static string[] All { get; } = new[]
  {
- PushUrl, Location, Redirect, Refresh, Trigger, TriggerAfterSettle, TriggerAfterSwap, Reswap, Retarget, ReplaceUrl
+ Location,
+ PushUrl, 
+ Redirect,
+ Refresh,
+ ReplaceUrl,
+ Reswap, 
+ Retarget,
+ Reselect,
+ Trigger,
+ TriggerAfterSettle,
+ TriggerAfterSwap,
  };
  }
 
@@ -88,6 +100,19 @@ public HtmxResponseHeaders Reswap(string value)
  _headers[Keys.Reswap] = value;
  return this;
  }
+
+ /// <summary>
+ /// a CSS selector that allows you to choose which part of the response is used to be swapped in.
+ /// Overrides an existing hx-select on the triggering element
+ /// See https://htmx.org/attributes/hx-select/ for hx-select behavior.
+ /// </summary>
+ /// <param name="value"></param>
+ /// <returns></returns>
+ public HtmxResponseHeaders Reselect(string value)
+ {
+ _headers[Keys.Reselect] = value;
+ return this;
+ }
 
  /// <summary>
  /// Allows you to do a client-side redirect that does not do a full page reload
@@ -246,7 +271,7 @@ private void ParsePossibleExistingTriggers(string headerKey, HtmxTriggerTiming t
  // this might still throw :(
  var jsonObject = JsonNode.Parse(ref reader)?.AsObject();
  // Load any existing triggers
- foreach (var (key, value) in jsonObject!) 
+ foreach (var (key, value) in jsonObject!)
  WithTrigger(key, value, timing);
  }
  else