js-on-sx: number/boolean method dispatch falls back to Number/Boolean.prototype

2026-05-10 04:18:20 +00:00
parent 8a06c2d72b
commit df5e36aa5e
2 changed files with 22 additions and 10 deletions
--- a/lib/js/runtime.sx
+++ b/lib/js/runtime.sx
@@ -442,11 +442,16 @@
      ((= key "toPrecision") (js-to-string recv))
      ((= key "toExponential") (js-to-string recv))
      (else
-        (error
-          (str
-            "TypeError: "
-            (js-to-string key)
-            " is not a function (on number)"))))))
+        (let
+          ((m (js-dict-get-walk (get Number "prototype") (js-to-string key))))
+          (cond
+            ((js-undefined? m)
+              (error
+                (str
+                  "TypeError: "
+                  (js-to-string key)
+                  " is not a function (on number)")))
+            (else (js-call-with-this recv m args))))))))

 (define
  js-invoke-function-objproto
@@ -472,11 +477,16 @@
      ((= key "toString") (if recv "true" "false"))
      ((= key "valueOf") recv)
      (else
-        (error
-          (str
-            "TypeError: "
-            (js-to-string key)
-            " is not a function (on boolean)"))))))
+        (let
+          ((m (js-dict-get-walk (get Boolean "prototype") (js-to-string key))))
+          (cond
+            ((js-undefined? m)
+              (error
+                (str
+                  "TypeError: "
+                  (js-to-string key)
+                  " is not a function (on boolean)")))
+            (else (js-call-with-this recv m args))))))))

 (define
  js-num-to-str-radix