fix where clauses in type aliases and allow empty where clauses (#259)

* parse where clauses in type identifiers before the = * allow empty where clauses * chore: tree-sitter generate
tree-sitter · Mar 6, 2025 · 5edb201 · 5edb201
1 parent 5ebbba1
commit 5edb201
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diff --git a/grammar.js b/grammar.js
@@ -425,6 +425,7 @@ module.exports = grammar({
       'type',
       field('name', $._type_identifier),
       field('type_parameters', optional($.type_parameters)),
+      optional($.where_clause),
       '=',
       field('type', $._type),
       optional($.where_clause),
@@ -465,8 +466,10 @@ module.exports = grammar({
 
     where_clause: $ => prec.right(seq(
       'where',
-      sepBy1(',', $.where_predicate),
-      optional(','),
+      optional(seq(
+        sepBy1(',', $.where_predicate),
+        optional(','),
+      )),
     )),
 
     where_predicate: $ => seq(

diff --git a/src/grammar.json b/src/grammar.json
diff --git a/src/node-types.json b/src/node-types.json