8610ff5ebe
* Add compiler option * Require es2015+ * Do not elide any imports or exports in preserve-exact * Add errors for writing imports/exports that reference elided names * Improve diagnostics wording * Update API baselines * Redo as noEraslingImportedNames * Update option category * Update baselines * Lint * Fix up transformer comments * Fix errors from merge * Update other error code baseline * Rename to "preserveValueImports" * Clean up, reword diagnostics * Update API baselines * Update other baseline affected by error message reword * Update tsconfig baselines * Add debug assertion instead of !
63 lines
2.5 KiB
Plaintext
63 lines
2.5 KiB
Plaintext
/user.ts(2,10): error TS1205: Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'.
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/user.ts(17,10): error TS1205: Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'.
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/user.ts(25,10): error TS1448: 'CC' resolves to a type-only declaration and must be re-exported using a type-only re-export when 'isolatedModules' is enabled.
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==== /user.ts (3 errors) ====
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// Error, can't re-export something that's only a type.
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export { T } from "./exportT";
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~
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!!! error TS1205: Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'.
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export import T2 = require("./exportEqualsT");
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// OK, has a value side
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export { C } from "./exportValue";
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// OK, even though the namespace it exports is only types.
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import * as NS from "./exportT";
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export { NS };
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// OK, syntactically clear that a type is being re-exported.
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export type T3 = T;
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// Error, not clear (to an isolated module) whether `T4` is a type.
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import { T } from "./exportT";
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export { T as T4 };
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~~~~~~~
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!!! error TS1205: Re-exporting a type when the '--isolatedModules' flag is provided requires using 'export type'.
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// Ok, type-only import indicates that the export can be elided.
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import type { T as TT } from "./exportT";
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export { TT };
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// Error, type-only declaration is in a different file.
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import { C as CC } from "./reExportValueAsTypeOnly";
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export { CC };
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~~
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!!! error TS1448: 'CC' resolves to a type-only declaration and must be re-exported using a type-only re-export when 'isolatedModules' is enabled.
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!!! related TS1377 /reExportValueAsTypeOnly.ts:1:15: 'CC' was exported here.
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==== /exportT.ts (0 errors) ====
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export type T = number;
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==== /exportValue.ts (0 errors) ====
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export class C {}
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==== /exportEqualsT.ts (0 errors) ====
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declare type T = number;
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export = T;
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==== /node_modules/foo/bar.d.ts (0 errors) ====
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export type T = number;
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==== /node_modules/foo/index.d.ts (0 errors) ====
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export { T } from "./bar"; // In a declaration file, so not an error.
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==== /node_modules/baz/index.d.ts (0 errors) ====
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declare module "baz" {
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export { T } from "foo"; // Also allowed.
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}
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==== /reExportValueAsTypeOnly.ts (0 errors) ====
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export type { C } from "./exportValue";
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