From 0fac063c8d3526de37449c32b0cec37f69e37c65 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Sun, 7 Jun 2020 18:52:09 -0400
Subject: [PATCH] Implemented none and any, but I need to implement early
 termination.

---
 js/test_cases/helpers_select/main.dust |  8 ++++++
 src/renderer/renderer.rs               | 36 ++++++++++++++++++++++++--
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/js/test_cases/helpers_select/main.dust b/js/test_cases/helpers_select/main.dust
index 59cdf2d..30a8971 100644
--- a/js/test_cases/helpers_select/main.dust
+++ b/js/test_cases/helpers_select/main.dust
@@ -100,3 +100,11 @@ Early termination stand-alone comparison{~n}
         If your pet was a {type} we'd name it {pet_name}{~n}
     {/pet_names}
 {/select}{~n}
+
+@any alone{~n}
+=========={~n}
+{@any}{person} has a pet!{~n}{/any}
+
+@none alone{~n}
+==========={~n}
+{@none}I don't know what to name {person}'s pet...{~n}{/none}
diff --git a/src/renderer/renderer.rs b/src/renderer/renderer.rs
index 6de6111..071b032 100644
--- a/src/renderer/renderer.rs
+++ b/src/renderer/renderer.rs
@@ -601,8 +601,40 @@ impl<'a> DustRenderer<'a> {
                     }
                 }
             }
-            DustTag::DTHelperAny(parameterized_block) => todo!(),
-            DustTag::DTHelperNone(parameterized_block) => todo!(),
+            DustTag::DTHelperAny(parameterized_block) => match select_context {
+                Some(sc) if sc.were_any_true => {
+                    let new_breadcrumbs = self.new_breadcrumbs_partial(
+                        breadcrumbs,
+                        breadcrumbs,
+                        None,
+                        &parameterized_block.explicit_context,
+                    );
+                    return self.render_maybe_body(
+                        &parameterized_block.contents,
+                        new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
+                        blocks,
+                        None,
+                    );
+                }
+                _ => return Ok("".to_owned()),
+            },
+            DustTag::DTHelperNone(parameterized_block) => match select_context {
+                Some(sc) if !sc.were_any_true => {
+                    let new_breadcrumbs = self.new_breadcrumbs_partial(
+                        breadcrumbs,
+                        breadcrumbs,
+                        None,
+                        &parameterized_block.explicit_context,
+                    );
+                    return self.render_maybe_body(
+                        &parameterized_block.contents,
+                        new_breadcrumbs.as_ref().unwrap_or(breadcrumbs),
+                        blocks,
+                        None,
+                    );
+                }
+                _ => return Ok("".to_owned()),
+            },
         }
 
         Ok("".to_owned())