import { nextTestSetup } from 'e2e-utils'
describe('twoslash', () => {
const { next } = nextTestSetup({
files: __dirname,
dependencies: {
twoslash: '0.3.4',
'twoslash-protocol': '0.3.4',
typescript: '5.9.2',
},
})
it.each(['default', 'esnext'])(
'should annotate twoslash types %s',
async (mode) => {
const { code, nodes, error } = JSON.parse(await next.render(`/?${mode}`))
expect({ code, nodes, error }).toMatchInlineSnapshot(`
{
"code": "type X = Promise<number>;
'hello'.toUpperCase()",
"error": undefined,
"nodes": [
{
"character": 5,
"length": 1,
"line": 0,
"start": 5,
"target": "X",
"text": "type X = Promise<number>",
"type": "hover",
},
{
"character": 9,
"docs": "Represents the completion of an asynchronous operation",
"length": 7,
"line": 0,
"start": 9,
"target": "Promise",
"text": "interface Promise<T>",
"type": "hover",
},
{
"character": 8,
"docs": "Converts all the alphabetic characters in a string to uppercase.",
"length": 11,
"line": 1,
"start": 34,
"target": "toUpperCase",
"text": "(method) String.toUpperCase(): string",
"type": "hover",
},
],
}
`)
}
)
})