javascript

Vitest module mock not found

vitest.*Cannot mock.*module.*not found

Fixes

1.Check module path matches import exactly
2.Use vi.mock with factory function
3.Place mock before imports with hoisting

vitestmockmodule

Related Errors

javascript3 fixes

Cannot read property of undefined

Cannot read propert(y|ies) of undefined

•Add optional chaining (?.)
•Check if object exists before accessing

javascript3 fixes

Cannot read property of null

Cannot read propert(y|ies) of null

•Add null check before access
•Use optional chaining (?.)

javascript3 fixes

TypeError: X is not a function

is not a function

•Check spelling of method name
•Verify import is correct