TypeScript/tests/cases/fourslash/refactorExtractType57.ts

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/// <reference path='fourslash.ts' />
// Where do lines get inserted?
// The exact structure here doesn't matter,
// just want to see something within a block body
// to have the behavior defined in tests.
//// function id<T>(x: T): T {
//// return (() => {
//// const s: /*a*/typeof x/*b*/ = x;
//// return s;
//// })();
//// }
goTo.select("a", "b");
edit.applyRefactor({
refactorName: "Extract type",
actionName: "Extract to type alias",
actionDescription: "Extract to type alias",
newContent: `function id<T>(x: T): T {
return (() => {
type /*RENAME*/NewType = typeof x;
const s: NewType = x;
return s;
})();
}`,
});