auto import always choose the type declaration in the folder that not top level

[Kingwl]

TypeScript Version: 3.0.0-dev.201xxxxx

Search Terms:

Code

// node_module/xxx/lib/index.d.ts
export declare a: number;

// src/a.ts
a/*here*/

Expected behavior:

insert the code: import { a } from 'xxx'

Actual behavior:

insert the code: import { a } from 'xxx/lib'

Playground Link:

Related Issues:

[mhegazy]

Following this repro, i am not even getting completions for a.

[ghost]

@Kingwl Assuming that the problem here was that there was a "main" field in the package.json referencing lib/index.js, but no typings field. If so, should be fixed by #24774.