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Circular reference misdetection (introduced after 3.6.3) #34960
Description
TypeScript Version: 3.7.2
Search Terms: 7022, referenced directly or indirectly in its own initializer
Code
let items: string[] | null = null;
items = items || [];
for (const row of []) {
const item = items.find(() => true); // ERROR
const result = item ? true: false // ERROR
switch (result) {
}
}Expected behavior:
No error & warnings.
const item: string | undefined
const result: boolean
Actual behavior:
'item' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.(7022)
'result' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.(7022)
const item: any
const result: any
Playground Link: Link
It works in 3.6.3 and fails in 3.7.2.
Related Issues:
I think this is not related to #33191 since this introduced after 3.6.3.
Activity
orzFly commentedon Nov 6, 2019
More simplified:
Playground link
Expected:
const result: booleanconst result: falseshould be ideal as well.Actual:
ahejlsberg commentedon Nov 9, 2019
This is fixed by #35000.