Merge pull request #2506 from F4-Group/2485-fix-property-lookup-negation

Fix property lookup negation
stylus · Jul 16, 2020 · 1406479 · 1406479
2 parents 4387374 + 1ea700b
commit 1406479
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Showing 3 changed files with 20 additions and 1 deletion.
diff --git a/lib/lexer.js b/lib/lexer.js
@@ -669,7 +669,7 @@ Lexer.prototype = {
 
   ident: function() {
     var captures;
-    if (captures = /^-*[@_a-zA-Z$][-\w\d$]*/.exec(this.str)) {
+    if (captures = /^-*([_a-zA-Z$]|@apply)[-\w\d$]*/.exec(this.str)) {
       this.skip(captures);
       return new Token('ident', new nodes.Ident(captures[0]));
     }

diff --git a/test/cases/negative-property-lookup.css b/test/cases/negative-property-lookup.css
@@ -0,0 +1,10 @@
+.negative-property-lookup {
+  margin-top: 20px;
+  bottom: -20px;
+  top: -10px;
+}
+.another-example {
+  margin-top: 20px;
+  bottom: -20px;
+  top: -10px;
+}
diff --git a/test/cases/negative-property-lookup.styl b/test/cases/negative-property-lookup.styl
@@ -0,0 +1,9 @@
+.negative-property-lookup
+    margin-top: 20px;
+    bottom: -@margin-top;
+    top: -@margin-top + 10px;
+
+.another-example
+    margin-top: 20px;
+    bottom: - @margin-top;
+    top: -(@margin-top) + 10px;