File: codeFixInferFromUsageArrowJS.ts

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node-typescript 5.0.4%2Bds1-2
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/// <reference path='fourslash.ts' />
// @allowJs: true
// @checkJs: true
// @noEmit: true
// @noImplicitAny: true
// @Filename: test.js

////const foo = x => x.y + 1;
////class C {
////    m = x => x.y + 1;
////}

verify.codeFixAll({
  fixId: "inferFromUsage",
  fixAllDescription: "Infer all types from usage",
  newFileContent:
`const foo = (/** @type {{ y: number; }} */ x) => x.y + 1;
class C {
    m = (/** @type {{ y: number; }} */ x) => x.y + 1;
}`,
});