markwon-bundle gradle script

app/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+apply from: '../markwon-bundle.gradle'
 
 android {
 
@@ -26,6 +27,12 @@ android {
     }
 }
 
+ext.markwon = [
+        'version': '3.0.0-SNAPSHOT',
+        'includeAll': true,
+        'exclude': ['ext-latex', 'core']
+]
+
 dependencies {
 
     implementation project(':markwon-core')

build.gradle

@@ -85,7 +85,6 @@ ext {
             'junit'      : 'junit:junit:4.12',
             'robolectric': 'org.robolectric:robolectric:3.8',
             'ix-java'    : 'com.github.akarnokd:ixjava:1.0.0',
-            'gson'       : 'com.google.code.gson:gson:2.8.5',
             'commons-io' : 'commons-io:commons-io:2.6',
             'mockito'    : 'org.mockito:mockito-core:2.21.0'
     ]

markwon-bundle.gradle

@@ -0,0 +1,59 @@
+// await project initialization and check for markwon object then
+// (so we do not have to force users to put `apply from` block at the bottom
+// of a build.gradle file)
+project.afterEvaluate {
+
+    if (!project.hasProperty('markwon')) {
+        throw new RuntimeException("No `markwon` property object is found. " +
+                "Define it with `ext.markwon = [prop: value]`")
+    }
+
+    final def markwon = project.markwon
+    if (!(markwon instanceof Map)) {
+        throw new RuntimeException("`markwon` object property must be of type Map. " +
+                "Groovy short-hand to define: `[:]`.")
+    }
+
+    final def version = markwon.version
+    final def includeAll = markwon.computeIfAbsent('includeAll', { false })
+    final def artifacts
+    if (includeAll) {
+
+        // cannot exclude core
+        final def exclude = markwon.computeIfAbsent('exclude', { [] })  \
+            .unique()  \
+            .findAll { 'core' != it }
+
+        artifacts = [
+                'core',
+                'ext-latex',
+                'ext-strikethrough',
+                'ext-tables',
+                'ext-tasklist',
+                'html',
+                'image-gif',
+                'image-okhttp',
+                'image-svg',
+                'recycler',
+                'syntax-highlight'
+        ].findAll { !exclude.contains(it) }
+
+    } else {
+        artifacts = (markwon.containsKey('artifacts') ? markwon.artifacts : ['core']).with {
+            // add implicit core artifact
+            if (!it.contains('core')) {
+                it.add('core')
+            }
+            return it
+        }
+    }
+
+    if (!version) {
+        throw new RuntimeException("Please specify version of Markwon, for example: " +
+                "`ext.markwon = [ 'version': '1.0.0']`")
+    }
+
+    artifacts.forEach {
+        project.dependencies.add('implementation', "ru.noties.markwon:$it:$version")
+    }
+}