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test: fix typings for DoneFn (#25163)

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This also fixes CI tests, which were accidentally broken in #24663.

PR Close #25163
This commit is contained in:
George Kalpakas
2018-07-27 19:14:12 +03:00
committed by Igor Minar
parent e8d4211d5c
commit 342678486d
9 changed files with 25 additions and 28 deletions
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14
packages/core/testing/src/render3.ts
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@ -35,18 +35,14 @@
* @param blockFn function to wrap. The function can return promise or be `async`.
* @experimental
*/
export function withBody<T>(html: string, blockFn: T): T {
return function(done: {(): void, fail(): void}) {
export function withBody<T extends Function>(html: string, blockFn: T): T {
return function(done: DoneFn) {
ensureDocument();
let returnValue: any = undefined;
if (typeof blockFn === 'function') {
document.body.innerHTML = html;
// TODO(i): I'm not sure why a cast is required here but otherwise I get
// TS2349: Cannot invoke an expression whose type lacks a call signature. Type 'never' has
// no compatible call signatures.
let blockReturn = (blockFn as any)();
const blockReturn = blockFn();
if (blockReturn instanceof Promise) {
blockReturn = blockReturn.then(done, done.fail);
blockReturn.then(done, done.fail);
} else {
done();
}
@ -124,4 +120,4 @@ export function cleanupDocument(): void {
}
if (typeof beforeEach == 'function') beforeEach(ensureDocument);
if (typeof afterEach == 'function') beforeEach(cleanupDocument);
if (typeof afterEach == 'function') beforeEach(cleanupDocument);