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fix(compiler-vapor): assign to the member target when v-model object has a TS wrapper - #15744
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edison1105 merged 2 commits intoOct 8, 2026
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zhiyuanzmj
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Oct 13, 2026
a TS wrapper Copied from vuejs/core#15744
zhiyuanzmj
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a TS wrapper Copied from vuejs/core#15744
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When a
v-modelmember target is wrapped in a TS expression, Vapor generates the wrong assignment.v-model="form!.name"compiles toform.value = _value!.name, so typing replacesforminstead of settingform.name, while VDOM updates the field (playground).v-model="a.b as T"also emits(_ctx.a.b as T = _value), which is not valid TS and fails the build.Both forms are in real templates that are one
vaporattribute away from hitting this:v-model="paramsDialog.params as any"in mayfly-go, which already runs oncreateVaporApp, andv-model="form!.tripStartedAt"in ev-monitor (still VDOM).This treats a member expression under a TS wrapper as a member target and parenthesizes the wrapped target before assigning.