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fix(compiler-core): generate TS-cast safe assignment code for v-model

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fix #4655
This commit is contained in:
Evan You
2021-09-22 16:54:59 -04:00
parent 1873f0f48c
commit 686d0149b6
6 changed files with 51 additions and 52 deletions
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6
packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap
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@@ -924,17 +924,17 @@ export default {
return (_ctx, _cache) => {
return (_openBlock(), _createElementBlock(_Fragment, null, [
_withDirectives(_createElementVNode(\\"input\\", {
\\"onUpdate:modelValue\\": _cache[0] || (_cache[0] = $event => (count.value = $event))
\\"onUpdate:modelValue\\": _cache[0] || (_cache[0] = $event => ((count).value = $event))
}, null, 512 /* NEED_PATCH */), [
[_vModelText, count.value]
]),
_withDirectives(_createElementVNode(\\"input\\", {
\\"onUpdate:modelValue\\": _cache[1] || (_cache[1] = $event => (_isRef(maybe) ? maybe.value = $event : null))
\\"onUpdate:modelValue\\": _cache[1] || (_cache[1] = $event => (_isRef(maybe) ? (maybe).value = $event : null))
}, null, 512 /* NEED_PATCH */), [
[_vModelText, _unref(maybe)]
]),
_withDirectives(_createElementVNode(\\"input\\", {
\\"onUpdate:modelValue\\": _cache[2] || (_cache[2] = $event => (_isRef(lett) ? lett.value = $event : lett = $event))
\\"onUpdate:modelValue\\": _cache[2] || (_cache[2] = $event => (_isRef(lett) ? (lett).value = $event : lett = $event))
}, null, 512 /* NEED_PATCH */), [
[_vModelText, _unref(lett)]
])

9
packages/compiler-sfc/__tests__/compileScript.spec.ts
View File

@@ -523,13 +523,12 @@ defineExpose({ foo: 123 })
{ inlineTemplate: true }
)
// known const ref: set value
expect(content).toMatch(`count.value = $event`)
// const but maybe ref: also assign .value directly since non-ref
// won't work
expect(content).toMatch(`maybe.value = $event`)
expect(content).toMatch(`(count).value = $event`)
// const but maybe ref: assign if ref, otherwise do nothing
expect(content).toMatch(`_isRef(maybe) ? (maybe).value = $event : null`)
// let: handle both cases
expect(content).toMatch(
`_isRef(lett) ? lett.value = $event : lett = $event`
`_isRef(lett) ? (lett).value = $event : lett = $event`
)
assertCode(content)
})