chore: use relative path includes

src/feel.grammar

@@ -406,18 +406,18 @@ commaSep<Expr> {
   "" | Expr ("," Expr)*
 }
 
-@context variableTracker from "./tokens"
+@context variableTracker from "./tokens.js"
 
-@external tokens propertyIdentifiers from "./tokens" {
+@external tokens propertyIdentifiers from "./tokens.js" {
   propertyIdentifier[@export]
 }
 
-@external tokens identifiers from "./tokens" {
+@external tokens identifiers from "./tokens.js" {
   identifier[@export],
   nameIdentifier[@export]
 }
 
-@external tokens insertSemicolon from "./tokens" {
+@external tokens insertSemicolon from "./tokens.js" {
   insertSemi
 }
 
@@ -497,4 +497,4 @@ commaSep<Expr> {
 
 @detectDelim
 
-@external propSource feelHighlighting from "./highlight"
+@external propSource feelHighlighting from "./highlight.js"

src/index.js

@@ -1,7 +1,7 @@
-export * from './parser';
+export * from './parser.js';
 
 export {
   trackVariables,
   normalizeContextKey,
   VariableContext
-} from './tokens';
+} from './tokens.js';