Fix chapters not loading in MMK. (#8159)

src/pt/mundomangakun/build.gradle

@@ -6,8 +6,9 @@ ext {
     extName = 'Mundo Mangá-Kun'
     pkgNameSuffix = 'pt.mundomangakun'
     extClass = '.MundoMangaKun'
-    extVersionCode = 3
+    extVersionCode = 4
     libVersion = '1.2'
+    containsNsfw = true
 }
 
 dependencies {

src/pt/mundomangakun/src/eu/kanade/tachiyomi/extension/pt/mundomangakun/MundoMangaKun.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.extension.pt.mundomangakun
 
+import eu.kanade.tachiyomi.annotations.Nsfw
 import eu.kanade.tachiyomi.lib.ratelimit.RateLimitInterceptor
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.source.model.Filter
@@ -22,6 +23,7 @@ import org.jsoup.nodes.Element
 import uy.kohesive.injekt.injectLazy
 import java.util.concurrent.TimeUnit
 
+@Nsfw
 class MundoMangaKun : ParsedHttpSource() {
 
     override val name = "Mundo Mangá-Kun"
@@ -138,8 +140,8 @@ class MundoMangaKun : ParsedHttpSource() {
     override fun pageListParse(document: Document): List<Page> {
         return document.select("script:containsData(var paginas)").first().data()
             .substringAfter("var paginas = ")
-            .substringBefore(";var")
+            .substringBefore("];")
-            .let { json.parseToJsonElement(it) }
+            .let { json.parseToJsonElement("$it]") }
             .jsonArray
             .mapIndexed { i, page -> Page(i, document.location(), page.jsonPrimitive.content) }
     }