How to pass "conditional" default value by checking its value in the Vue component

Component

props: {  image: {    type: String,    default() {       return this.defaultImage    }  }},computed: {  defaultImage() {     return this.$config.baseUrl +'/images/default.jpg'  }},

Using the above component, when prop-image is not present, the component returns default-image successfully.

<image-uplaoder />

But I want to achieve, if I pass the value for prop-image and the value is null, it should still return default-image. Currently, it returns nothing.

<image-uplaoder :image="data.image" /> 

Tried (can't we do something like) as follows?

computed: {  defaultImage(value) {    if(!value || value === null) {      return this.$config.baseUrl +'/images/default.jpg'    }  }},