FIX: allow bbcode to be unquoted for default

app/assets/javascripts/pretty-text/engines/discourse-markdown/bbcode-block.js.es6

@@ -11,7 +11,7 @@ function trailingSpaceOnly(src, start, max) {
   return true;
 }
 
-const ATTR_REGEX = /((([a-z0-9]*)\s*)=)(["“”'].*["“”']|\S+)/ig;
+const ATTR_REGEX = /^\s*=(.+)$|((([a-z0-9]*)\s*)=)(["“”'].*["“”']|\S+)/ig;
 
 // parse a tag [test a=1 b=2] to a data structure
 // {tag: "test", attrs={a: "1", b: "2"}
@@ -76,12 +76,13 @@ export function parseBBCodeTag(src, start, max, multiline) {
       let match, key, val;
 
       while(match = ATTR_REGEX.exec(raw)) {
-        key = match[3];
-        if (key === '') {
+        if (match[1]) {
           key = '_default';
+        } else {
+          key = match[4];
         }
 
-        val = match[4];
+        val = match[1] || match[5];
 
         if (val) {
           val = val.trim();

spec/components/pretty_text_spec.rb

@@ -47,7 +47,29 @@ describe PrettyText do
         expect(cook("[quote=\"EvilTrout, post:2, topic:#{topic.id}\"]\nddd\n[/quote]", topic_id: 1)).to eq(n(expected))
       end
 
-      it "indifferent about curlies" do
+      it "indifferent about missing quotations" do
+        md = <<~MD
+          [quote=#{user.username}, post:123, topic:456, full:true]
+
+          ddd
+
+          [/quote]
+        MD
+        html = <<~HTML
+          <aside class="quote" data-post="123" data-topic="456" data-full="true">
+          <div class="title">
+          <div class="quote-controls"></div>
+          <img alt width="20" height="20" src="//test.localhost/uploads/default/avatars/42d/57c/46ce7ee487/40.png" class="avatar"> #{user.username}:</div>
+          <blockquote>
+          <p>ddd</p>
+          </blockquote>
+          </aside>
+        HTML
+
+        expect(PrettyText.cook(md)).to eq(html.strip)
+      end
+
+      it "indifferent about curlies and no curlies" do
         md = <<~MD
           [quote=“#{user.username}, post:123, topic:456, full:true”]