giles 5f3a8e43c0 js-on-sx: array-like receivers for Array.prototype.* methods ...

Array.prototype.slice.call({length:3, 0:41, 1:42, 2:43}) used to crash with
'Not callable: {dict}' because js-array-proto-fn passed the dict straight
into js-invoke-method, which then tried (append! dict x) etc.

Now js-array-proto-fn converts dict-with-length receivers to a list via
js-arraylike-to-list before dispatch. Mutation methods (push/pop/shift/
reverse/sort/fill) still require a real list — array-likes only work for
read-only methods.

Targets the 455x 'Not callable: {:length N :0 v1 :1 v2 ...}' scoreboard item.

6 new unit tests, 459/461 total.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-24 06:40:46 +00:00

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