warn about a dumb bug, which I got tripped up myself

kwebio · Aug 6, 2017 · 4b43e89 · 4b43e89
1 parent 76d50a1
commit 4b43e89
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/build.gradle b/build.gradle
@@ -23,7 +23,7 @@ plugins {
 }
 
 group 'io.kweb'
-version '0.2.10'
+version '0.2.11'
 
 apply plugin: 'java'
 apply plugin: 'kotlin'
@@ -111,6 +111,8 @@ configurations.all {
     }
 }
 
+kotlin { experimental { coroutines 'enable' } }
+
 task dokkaJavadoc(type: org.jetbrains.dokka.gradle.DokkaTask) {
     outputFormat = 'html'
     outputDirectory = javadoc.destinationDir

diff --git a/src/main/kotlin/io/kweb/plugins/semanticUI/SemanticUIClasses.kt b/src/main/kotlin/io/kweb/plugins/semanticUI/SemanticUIClasses.kt
@@ -1,7 +1,6 @@
 package io.kweb.plugins.semanticUI
 
-import io.kweb.dom.attributes.AttributeBuilder
-import io.kweb.dom.attributes.classes
+import io.kweb.dom.attributes.*
 
 class SemanticUIClasses : AttributeBuilder() {
 
@@ -495,8 +494,17 @@ class SemanticUIClasses : AttributeBuilder() {
         return this
     }
 
+    private var uiClassAlreadyPresent = false
+
     val ui : SemanticUIClasses get() {
+        if (uiClassAlreadyPresent) {
+            throw RuntimeException("""
+            The .ui getter has already been used on this SematicUIClasses object.  Please ensure you are creating a
+            fresh SemanticUIClasses object (using the 'semantic' getter for every element.
+""".trimIndent())
+        }
         classes("ui")
+        uiClassAlreadyPresent = true
         return this
     }