Fix spurious zeros in HTML output

Author: Gerrit0

src/lib/output/themes/default/partials/moduleReflection.tsx

@@ -23,7 +23,7 @@ export function moduleReflection(context: DefaultThemeRenderContext, mod: Declar
                 </section>
             )}
 
-            {mod.isDeclaration() && mod.kind === ReflectionKind.Module && mod.readme?.length && (
+            {mod.isDeclaration() && mod.kind === ReflectionKind.Module && !!mod.readme?.length && (
                 <section class="tsd-panel tsd-typography">
                     <JSX.Raw html={context.markdown(mod.readme)} />
                 </section>

src/lib/output/themes/default/partials/navigation.tsx

@@ -97,7 +97,7 @@ export function settings(context: DefaultThemeRenderContext) {
                     </h3>
                 </summary>
                 <div class="tsd-accordion-details">
-                    {visibilityOptions.length && (
+                    {!!visibilityOptions.length && (
                         <div class="tsd-filter-visibility">
                             <span class="settings-label">{i18n.theme_member_visibility()}</span>
                             <ul id="tsd-filter-options">{...visibilityOptions}</ul>

src/lib/output/themes/default/templates/hierarchy.tsx

@@ -37,7 +37,7 @@ function fullHierarchy(
                 {context.reflectionIcon(root)}
                 {root.name}
             </a>
-            {children.length ? <ul>{children}</ul> : null}
+            {!!children.length ? <ul>{children}</ul> : null}
         </li>
     );
 }