vue/no-use-computed-property-like-method
disallow use computed property like method
- ⚙️ This rule is included in all of
"plugin:vue/vue3-essential"
,*.configs["flat/essential"]
,"plugin:vue/essential"
,*.configs["flat/vue2-essential"]
,"plugin:vue/vue3-strongly-recommended"
,*.configs["flat/strongly-recommended"]
,"plugin:vue/strongly-recommended"
,*.configs["flat/vue2-strongly-recommended"]
,"plugin:vue/vue3-recommended"
,*.configs["flat/recommended"]
,"plugin:vue/recommended"
and*.configs["flat/vue2-recommended"]
.
📖 Rule Details
This rule disallows to use computed property like method.
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<script>
export default {
data() {
return {
dataString: 'dataString',
dataNumber: 10,
dataObject: {
inside: 'inside'
},
dataArray: [1, 2, 3, 4, 5],
dataBoolean: true,
dataFunction() {
alert('dataFunction')
}
}
},
props: {
propsString: String,
propsNumber: Number,
propsObject: Object,
propsArray: Array,
propsBoolean: Boolean,
propsFunction: Function,
objectPropsString: {
type: String
},
objectPropsNumber: {
type: Number
},
objectPropsObject: {
type: Object
},
objectPropsArray: {
type: Array
},
objectPropsBoolean: {
type: Boolean
},
objectPropsFunction: {
type: Function
}
},
computed: {
computedReturnDataString() {
return this.dataString
},
computedReturnDataNumber() {
return this.dataNumber
},
computedReturnDataObject() {
return this.dataObject
},
computedReturnDataArray() {
return this.dataArray
},
computedReturnDataBoolean() {
return this.dataBoolean
},
computedReturnDataFunction() {
return this.dataFunction
},
computedReturnPropsString() {
return this.propsString
},
computedReturnPropsNumber() {
return this.propsNumber
},
computedReturnPropsObject() {
return this.propsObject
},
computedReturnPropsArray() {
return this.propsArray
},
computedReturnPropsBoolean() {
return this.propsBoolean
},
computedReturnPropsFunction() {
return this.propsFunction
},
computedReturnObjectPropsString() {
return this.objectPropsString
},
computedReturnObjectPropsNumber() {
return this.objectPropsNumber
},
computedReturnObjectPropsObject() {
return this.objectPropsObject
},
computedReturnObjectPropsArray() {
return this.objectPropsArray
},
computedReturnObjectPropsBoolean() {
return this.objectPropsBoolean
},
computedReturnObjectPropsFunction() {
return this.objectPropsFunction
},
computedReturnString() {
return 'computedReturnString'
},
computedReturnNumber() {
return 10
},
computedReturnObject() {
return {
inside: 'inside'
}
},
computedReturnArray() {
return [1, 2, 3, 4, 5]
},
computedReturnBoolean() {
return true
},
computedReturnFunction() {
const fn = () => alert('computedReturnFunction')
return fn
},
computedReturnMethodsReturnString() {
return this.methodsReturnString
},
computedReturnMethodsReturnNumber() {
return this.methodsReturnNumber
},
computedReturnMethodsReturnObject() {
return this.methodsReturnObject
},
computedReturnMethodsReturnArray() {
return this.methodsReturnArray
},
computedReturnMethodsReturnBoolean() {
return this.methodsReturnBoolean
},
computedReturnMethodsReturnFunction() {
return this.methodsReturnFunction
}
},
methods: {
methodsReturnString() {
return 'methodsReturnString'
},
methodsReturnNumber() {
return 'methodsReturnNumber'
},
methodsReturnObject() {
return {
inside: 'inside'
}
},
methodsReturnArray() {
return [1, 2, 3, 4, 5]
},
methodsReturnBoolean() {
return true
},
methodsReturnFunction() {
const fn = () => alert('methodsReturnFunction')
return fn
},
fn() {
/* Reference data */
/* ✓ GOOD */
this.computedReturnDataString
this.computedReturnDataNumber
this.computedReturnDataObject
this.computedReturnDataArray
this.computedReturnDataBoolean
this.computedReturnDataFunction
this.computedReturnDataFunction()
/* ✗ BAD */
this.computedReturnDataString()
this.computedReturnDataNumber()
this.computedReturnDataObject()
this.computedReturnDataArray()
this.computedReturnDataBoolean()
/* Reference props */
/* ✓ GOOD */
this.computedReturnPropsString
this.computedReturnPropsNumber
this.computedReturnPropsObject
this.computedReturnPropsArray
this.computedReturnPropsBoolean
this.computedReturnPropsFunction
this.computedReturnPropsFunction()
/* ✗ BAD */
this.computedReturnPropsString()
this.computedReturnPropsNumber()
this.computedReturnPropsObject()
this.computedReturnPropsArray()
this.computedReturnPropsBoolean()
/* ✓ GOOD */
this.computedReturnObjectPropsString
this.computedReturnObjectPropsNumber
this.computedReturnObjectPropsObject
this.computedReturnObjectPropsArray
this.computedReturnObjectPropsBoolean
this.computedReturnObjectPropsFunction
this.computedReturnObjectPropsFunction()
/* ✗ BAD */
this.computedReturnObjectPropsString()
this.computedReturnObjectPropsNumber()
this.computedReturnObjectPropsObject()
this.computedReturnObjectPropsArray()
this.computedReturnObjectPropsBoolean()
/* Reference computed */
/* ✓ GOOD */
this.computedReturnString
this.computedReturnNumber
this.computedReturnObject
this.computedReturnArray
this.computedReturnBoolean
this.computedReturnFunction
this.computedReturnFunction()
/* ✗ BAD */
this.computedReturnString()
this.computedReturnNumber()
this.computedReturnObject()
this.computedReturnArray()
this.computedReturnBoolean()
/* Reference methods */
/* ✓ GOOD */
this.computedReturnMethodsReturnString
this.computedReturnMethodsReturnNumber
this.computedReturnMethodsReturnObject
this.computedReturnMethodsReturnArray
this.computedReturnMethodsReturnBoolean
this.computedReturnMethodsReturnFunction
this.computedReturnMethodsReturnFunction()
/* ✗ BAD */
this.computedReturnMethodsReturnString()
this.computedReturnMethodsReturnNumber()
this.computedReturnMethodsReturnObject()
this.computedReturnMethodsReturnArray()
this.computedReturnMethodsReturnBoolean()
}
}
}
</script>
This rule can't check if props is used as array:
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<script>
export default {
props: [
'propsString',
'propsNumber',
'propsObject',
'propsArray',
'propsBoolean',
'propsFunction'
],
computed: {
computedReturnPropsString() {
return this.propsString
},
computedReturnPropsNumber() {
return this.propsNumber
},
computedReturnPropsObject() {
return this.propsObject
},
computedReturnPropsArray() {
return this.propsArray
},
computedReturnPropsBoolean() {
return this.propsBoolean
},
computedReturnPropsFunction() {
return this.propsFunction
}
},
methods: {
fn() {
/* Reference props */
/* ✓ GOOD */
this.computedReturnPropsString
this.computedReturnPropsString()
this.computedReturnPropsNumber
this.computedReturnPropsNumber()
this.computedReturnPropsObject
this.computedReturnPropsObject()
this.computedReturnPropsArray
this.computedReturnPropsArray()
this.computedReturnPropsBoolean
this.computedReturnPropsBoolean()
this.computedReturnPropsFunction
this.computedReturnPropsFunction()
/* ✗ BAD */
/* Nope. everything is good!! */
}
}
}
</script>
🔧 Options
Nothing.
🚀 Version
This rule was introduced in eslint-plugin-vue v7.15.0