TypeScript/tests/cases/compiler/duplicatePackage.ts
Andy 37b20ee670 For duplicate source files of the same package, make one redirect to the other (#16274)
* For duplicate source files of the same package, make one redirect to the other

* Add reuseProgramStructure tests

* Copy `sourceFileToPackageId` and `isSourceFileTargetOfRedirect` only if we completely reuse old structure

* Use fallthrough instead of early exit from loop

* Use a set to efficiently detect duplicate package names

* Move map setting outside of createRedirectSourceFile

* Correctly handle seenPackageNames set

* sourceFileToPackageId -> sourceFileToPackageName

* Renames

* Respond to PR comments

* Fix bug where `oldSourceFile !== newSourceFile` because oldSourceFile was a redirect

* Clean up redirectInfo

* Respond to PR comments
2017-08-09 14:39:06 -07:00

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TypeScript

// @noImplicitReferences: true
// @Filename: /node_modules/a/index.d.ts
import X from "x";
export function a(x: X): void;
// @Filename: /node_modules/a/node_modules/x/index.d.ts
export default class X {
private x: number;
}
// @Filename: /node_modules/a/node_modules/x/package.json
{ "name": "x", "version": "1.2.3" }
// @Filename: /node_modules/b/index.d.ts
import X from "x";
export const b: X;
// @Filename: /node_modules/b/node_modules/x/index.d.ts
content not parsed
// @Filename: /node_modules/b/node_modules/x/package.json
{ "name": "x", "version": "1.2.3" }
// @Filename: /node_modules/c/index.d.ts
import X from "x";
export const c: X;
// @Filename: /node_modules/c/node_modules/x/index.d.ts
export default class X {
private x: number;
}
// @Filename: /node_modules/c/node_modules/x/package.json
{ "name": "x", "version": "1.2.4" }
// @Filename: /src/a.ts
import { a } from "a";
import { b } from "b";
import { c } from "c";
a(b); // Works
a(c); // Error, these are from different versions of the library.