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Static type="checkbox" with v-bind (fix #7811) #7819

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merged 3 commits into from Mar 13, 2018
Merged

Static type="checkbox" with v-bind (fix #7811) #7819

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bc72e6c
Merge pull request #1 from vuejs/dev
privatenumber Mar 13, 2018
f9991b5
fix(model): Static type="checkbox" was being ignored when used with v…
Mar 13, 2018
01223f1
Update model-checkbox.spec.js
yyx990803 Mar 13, 2018
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2 changes: 1 addition & 1 deletion src/platforms/web/compiler/modules/model.js
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Expand Up @@ -34,7 +34,7 @@ function preTransformNode (el: ASTElement, options: CompilerOptions) {
if (map[':type'] || map['v-bind:type']) {
typeBinding = getBindingAttr(el, 'type')
}
if (!typeBinding && map['v-bind']) {
if (!map.type && !typeBinding && map['v-bind']) {
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@jkzing jkzing Mar 13, 2018 •
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This would make following case lose type binding:

<input type="checkbox" v-model="test" v-bind="{type: typeBindingValue}">

So maybe

typeBinding = `(${map['v-bind']}).type || '${map.type}'`

EDIT: the one above is not comprehensive, while map.type still could be undefined.

typeBinding = `(${map['v-bind']}).type || ${JSON.stringify(map.type)}`

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@hirokiosame If you could add the test as well, that would be great 👌

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I don't think we should allow v-bind to override a static type, it's gonna be confusing if done accidentally and I don't think there's a valid use case.

typeBinding = `(${map['v-bind']}).type`
}

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11 changes: 11 additions & 0 deletions test/unit/features/directives/model-checkbox.spec.js
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Expand Up @@ -337,4 +337,15 @@ describe('Directive v-model checkbox', () => {
expect(vm.$el.children[1].textContent).toBe('false')
}).then(done)
})

// #7811
it('type should not be overwritten by v-bind', () => {
const vm = new Vue({
data: {
test: true
},
template: '<input type="checkbox" v-model="test" v-bind="$attrs">'
}).$mount()
expect(vm.$el.type).toBe('checkbox')
})
})