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Check property exists instead of truthy value (#5044)

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* Check property exists instead of truthy value

* Provide some falsy values for inject tests
This commit is contained in:
Rahul Kadyan 2017-03-01 21:31:24 +05:30 committed by Evan You
parent 367f781f44
commit 2a8a777b11
2 changed files with 9 additions and 9 deletions
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2
src/core/instance/inject.js
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@ -25,7 +25,7 @@ export function initInjections (vm: Component) {
const provideKey = isArray ? key : inject[key]
let source = vm
while (source) {
if (source._provided && source._provided[provideKey]) {
if (source._provided && provideKey in source._provided) {
vm[key] = source._provided[provideKey]
break
}

16
test/unit/features/options/inject.spec.js
View File

@ -20,7 +20,7 @@ describe('Options provide/inject', () => {
template: `<child/>`,
provide: {
foo: 1,
bar: 2
bar: false
},
components: {
child: {
@ -32,7 +32,7 @@ describe('Options provide/inject', () => {
}
}).$mount()
expect(injected).toEqual([1, 2])
expect(injected).toEqual([1, false])
})
it('should use closest parent', () => {
@ -40,7 +40,7 @@ describe('Options provide/inject', () => {
template: `<child/>`,
provide: {
foo: 1,
bar: 2
bar: null
},
components: {
child: {
@ -55,7 +55,7 @@ describe('Options provide/inject', () => {
}
}).$mount()
expect(injected).toEqual([3, 2])
expect(injected).toEqual([3, null])
})
it('provide function', () => {
@ -63,7 +63,7 @@ describe('Options provide/inject', () => {
template: `<child/>`,
data: {
a: 1,
b: 2
b: false
},
provide () {
return {
@ -81,7 +81,7 @@ describe('Options provide/inject', () => {
}
}).$mount()
expect(injected).toEqual([1, 2])
expect(injected).toEqual([1, false])
})
it('inject with alias', () => {
@ -99,7 +99,7 @@ describe('Options provide/inject', () => {
new Vue({
template: `<child/>`,
provide: {
foo: 1,
foo: false,
bar: 2
},
components: {
@ -112,7 +112,7 @@ describe('Options provide/inject', () => {
}
}).$mount()
expect(injected).toEqual([1, 2])
expect(injected).toEqual([false, 2])
})
it('self-inject', () => {