Support newly added spoiler container syntax

Author: Yukaii

src/extension.ts

@@ -198,6 +198,22 @@ export function activate(context: vscode.ExtensionContext) {
       md.use(markdownitContainer, 'info', { render });
       md.use(markdownitContainer, 'warning', { render });
       md.use(markdownitContainer, 'danger', { render });
+      md.use(markdownitContainer, 'spoiler', {
+        validate: function (params) {
+          return params.trim().match(/^spoiler\s+(.*)$/)
+        },
+        render: function (tokens, idx) {
+          var m = tokens[idx].info.trim().match(/^spoiler\s+(.*)$/)
+
+          if (tokens[idx].nesting === 1) {
+            // opening tag
+            return '<details><summary>' + md.utils.escapeHtml(m[1]) + '</summary>\n'
+          } else {
+            // closing tag
+            return '</details>\n'
+          }
+        }
+      })
 
       md.options.linkify = true;
       md.options.typographer = true;