vue
Computed property getter returns undefined
computed property.*getter.*undefined
Fixes
- 1.Ensure computed getter always returns a value
- 2.Check that reactive dependencies are initialized before computed runs
- 3.Add a fallback return value in the computed getter
vuecomputedreactivity
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
Direct prop mutation warning
Avoid mutating a prop directly
- •Use a local data/ref copy of the prop instead of mutating directly
- •Emit an event to let the parent update the prop value
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