FrontMatter accessible from templates.

lib/src/main/groovy/com/jessebrault/ssg/SimpleStaticSiteGenerator.groovy

@@ -62,7 +62,7 @@ class SimpleStaticSiteGenerator implements StaticSiteGenerator {
             }
 
             // Render the template using the result of rendering the text earlier
-            def result = template.type.renderer.render(template, renderedText, parts)
+            def result = template.type.renderer.render(template, frontMatter, renderedText, parts)
             logger.debug('result: {}', result)
 
             // Output the result to the outfile, an .html file

lib/src/main/groovy/com/jessebrault/ssg/template/GspTemplateRenderer.groovy

@@ -2,6 +2,7 @@ package com.jessebrault.ssg.template
 
 import com.jessebrault.ssg.part.Part
 import com.jessebrault.ssg.part.PartsMap
+import com.jessebrault.ssg.text.FrontMatter
 import groovy.text.GStringTemplateEngine
 import groovy.text.TemplateEngine
 
@@ -10,8 +11,9 @@ class GspTemplateRenderer implements TemplateRenderer {
     private static final TemplateEngine engine = new GStringTemplateEngine()
 
     @Override
-    String render(Template template, String text, Collection<Part> parts) {
+    String render(Template template, FrontMatter frontMatter, String text, Collection<Part> parts) {
         engine.createTemplate(template.text).make([
+                frontMatter: frontMatter,
                 text: text,
                 parts: new PartsMap(parts)
         ])

lib/src/main/groovy/com/jessebrault/ssg/template/TemplateRenderer.groovy

@@ -1,7 +1,8 @@
 package com.jessebrault.ssg.template
 
 import com.jessebrault.ssg.part.Part
+import com.jessebrault.ssg.text.FrontMatter
 
 interface TemplateRenderer {
-    String render(Template template, String text, Collection<Part> parts)
+    String render(Template template, FrontMatter frontMatter, String text, Collection<Part> parts)
 }

lib/src/main/groovy/com/jessebrault/ssg/text/FrontMatter.groovy

@@ -11,12 +11,12 @@ class FrontMatter {
 
     private final Map<String, List<String>> data
 
-    String getSingle(String key) {
+    String get(String key) {
         data[key][0]
     }
 
     String getAt(String key) {
-        this.getSingle(key)
+        this.get(key)
     }
 
     List<String> getList(String key) {

lib/src/test/groovy/com/jessebrault/ssg/template/GspTemplateRendererTests.groovy

@@ -3,6 +3,7 @@ package com.jessebrault.ssg.template
 import com.jessebrault.ssg.part.GspPartRenderer
 import com.jessebrault.ssg.part.Part
 import com.jessebrault.ssg.part.PartType
+import com.jessebrault.ssg.text.FrontMatter
 import org.junit.jupiter.api.Test
 
 import static org.junit.jupiter.api.Assertions.assertEquals
@@ -23,8 +24,19 @@ class GspTemplateRendererTests {
                 new PartType(['.gsp'], new GspPartRenderer()),
                 'Hello, $person!'
         )
-        def r = this.renderer.render(template, '', [part])
+        def r = this.renderer.render(template, new FrontMatter([:]), '', [part])
         assertEquals('Hello, World!', r)
     }
 
+    @Test
+    void frontMatter() {
+        def template = new Template(
+                "<%= frontMatter['title'] %>",
+                null,
+                null
+        )
+        def r = this.renderer.render(template, new FrontMatter([title: ['Hello!']]), '', [])
+        assertEquals('Hello!', r)
+    }
+
 }