DefinitelyTyped/types/vssln-parser/vssln-parser-tests.ts

import * as vsslnparse from 'vssln-parser';
import * as fs from 'fs';

vsslnparse('', solution => {
    solution.visualStudioVersion; // $ExpectType string | undefined
    solution.projects[0].name; // $ExpectType string
});

vsslnparse(fs.createReadStream('test.sln'), solution => {
    solution.visualStudioVersion; // $ExpectType string | undefined
    solution.projects[0].name; // $ExpectType string
});