vue
Direct prop mutation warning
Avoid mutating a prop directly
Fixes
- 1.Use a local data/ref copy of the prop instead of mutating directly
- 2.Emit an event to let the parent update the prop value
- 3.Use v-model with update:modelValue pattern for two-way binding
vuepropsmutation
Related Errors
vue3 fixes
Cannot read property of undefined in setup()
Cannot read propert(y|ies) of undefined.*setup
- •Initialize reactive refs before accessing nested properties
- •Add optional chaining (?.) when accessing potentially undefined objects
vue3 fixes
Computed property getter returns undefined
computed property.*getter.*undefined
- •Ensure computed getter always returns a value
- •Check that reactive dependencies are initialized before computed runs
vue3 fixes
Template references undefined property
Property.*was accessed during render but is not defined
- •Declare the property in setup() return or data()
- •Check for typos in template variable names