Canvas: unforgeable native instance branding (Path2D/Gradient/Image) - #1844

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bkaradzic-microsoft:canvas-path2d-isinstance

Commits on Aug 27, 2026

Canvas: reject non-Path2D arguments instead of unwrapping them

bkaradzic
authored and
bkaradzic-microsoft
committed
86a0774
Do not assert the thrown error type, and split addPath's arity check

bkaradzic
authored and
bkaradzic-microsoft
committed
5592a34
Make the Path2D and gradient type checks unforgeable

bkaradzic
authored and
bkaradzic-microsoft
committed
31bef6c
Canvas: brand native instances instead of unwrapping unchecked objects

authored and
bkaradzic-microsoft
committed
f369203
Canvas: brand Image and reject unsafe drawImage unwraps

bkaradzic-microsoft
and
Copilot
committed
e46d929
Canvas: tighten branding PR (non-enumerable brand, trim comments)

bkaradzic-microsoft
and
Copilot
committed
bc1e382