add ability to delete posts

js/thread.js

@@ -1,10 +1,38 @@
 {
   const ta = document.getElementById("post_content");
-
+  
   for (let button of document.querySelectorAll(".reply-button")) {
     button.addEventListener("click", (e) => {
       ta.value += button.value;
       ta.scrollIntoView()
     })
   }
+  
+  const deleteDialog = document.getElementById("delete-dialog");
+  const deleteDialogCloseButton = document.getElementById("post-delete-dialog-close");
+  let deletionTargetPostContainer;
+  
+  function closeDeleteDialog() {
+    deletionTargetPostContainer.style.removeProperty("background-color");
+    deleteDialog.close();
+  }
+  
+  deleteDialogCloseButton.addEventListener("click", (e) => {
+    closeDeleteDialog();
+  })
+  deleteDialog.addEventListener("click", (e) => {
+    if (e.target === deleteDialog) {
+      closeDeleteDialog();
+    }
+  })
+  for (let button of document.querySelectorAll(".post-delete-button")) {
+    button.addEventListener("click", (e) => {
+      deleteDialog.showModal();
+      const postId = button.value;
+      deletionTargetPostContainer = document.getElementById("post-" + postId).querySelector(".post-content-container");
+      deletionTargetPostContainer.style.setProperty("background-color", "#fff");
+      const form = document.getElementById("post-delete-form");
+      form.action = `/post/${postId}/delete`
+    })
+  }
 }