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feat(warnings): Suggest casting boolean keys #6127

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merged 3 commits into from
Jul 19, 2017
Merged

feat(warnings): Suggest casting boolean keys #6127

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0f7f8d9
feat(warnings): Suggest casting boolean keys
posva Jul 16, 2017
4e2fb93
Update util.js
yyx990803 Jul 19, 2017
f6dea2b
Update util.js
yyx990803 Jul 19, 2017
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6 changes: 5 additions & 1 deletion src/shared/util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,11 @@ export function isFalse (v: any): boolean %checks {
* Check if value is primitive
*/
export function isPrimitive (value: any): boolean %checks {
return typeof value === 'string' || typeof value === 'number'
return (
typeof value === 'string' ||
typeof value === 'number' ||
typeof value === 'boolean'
)
}

/**
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9 changes: 9 additions & 0 deletions test/unit/modules/vdom/create-element.spec.js
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Expand Up @@ -162,6 +162,15 @@ describe('create-element', () => {
expect('Avoid using non-primitive value as key').toHaveBeenWarned()
})

it('doesn\'t warn boolean key', () => {
new Vue({
render (h) {
return h('div', { key: true })
}
}).$mount()
expect('Avoid using non-primitive value as key').not.toHaveBeenWarned()
})

it('nested child elements should be updated correctly', done => {
const vm = new Vue({
data: { n: 1 },
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