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Add baseUrl deprecation warning for TypeScript 6.0

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Co-authored-by: DanielRosenwasser <972891+DanielRosenwasser@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2025-09-03 23:23:00 +00:00
parent 5f65b57188
commit b31fc03b89
10 changed files with 172 additions and 4 deletions
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11
src/compiler/program.ts
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@ -4525,10 +4525,13 @@ export function createProgram(_rootNamesOrOptions: readonly string[] | CreatePro
}
});
checkDeprecations("6.0", "7.0", createDiagnostic, createDeprecatedDiagnostic => {
if (options.moduleResolution === ModuleResolutionKind.Node10) {
createDeprecatedDiagnostic("moduleResolution", "node10");
}
checkDeprecations("6.0", "7.0", createDiagnostic, createDeprecatedDiagnostic => {
if (options.moduleResolution === ModuleResolutionKind.Node10) {
createDeprecatedDiagnostic("moduleResolution", "node10");
}
if (options.baseUrl) {
createDeprecatedDiagnostic("baseUrl");
}
});
}

22
tests/baselines/reference/deprecatedCompilerOptionsBaseUrl.errors.txt Normal file
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@ -0,0 +1,22 @@
/foo/tsconfig.json(3,9): error TS5101: Option 'baseUrl' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== /foo/tsconfig.json (1 errors) ====
{
"compilerOptions": {
"baseUrl": "./src",
~~~~~~~~~
!!! error TS5101: Option 'baseUrl' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
"paths": {
"@app/*": ["app/*"],
"@lib/*": ["lib/*"]
}
}
}
==== /foo/src/app/module.ts (0 errors) ====
export const value = 42;
==== /foo/src/main.ts (0 errors) ====
import { value } from "@app/module";
const result = value;

19
tests/baselines/reference/deprecatedCompilerOptionsBaseUrl.js Normal file
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@ -0,0 +1,19 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrl.ts] ////
//// [module.ts]
export const value = 42;
//// [main.ts]
import { value } from "@app/module";
const result = value;
//// [module.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.value = void 0;
exports.value = 42;
//// [main.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var module_1 = require("@app/module");
var result = module_1.value;

14
tests/baselines/reference/deprecatedCompilerOptionsBaseUrl.symbols Normal file
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@ -0,0 +1,14 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrl.ts] ////
=== /foo/src/app/module.ts ===
export const value = 42;
>value : Symbol(value, Decl(module.ts, 0, 12))
=== /foo/src/main.ts ===
import { value } from "@app/module";
>value : Symbol(value, Decl(main.ts, 0, 8))
const result = value;
>result : Symbol(result, Decl(main.ts, 1, 5))
>value : Symbol(value, Decl(main.ts, 0, 8))

20
tests/baselines/reference/deprecatedCompilerOptionsBaseUrl.types Normal file
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@ -0,0 +1,20 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrl.ts] ////
=== /foo/src/app/module.ts ===
export const value = 42;
>value : 42
> : ^^
>42 : 42
> : ^^
=== /foo/src/main.ts ===
import { value } from "@app/module";
>value : 42
> : ^^
const result = value;
>result : 42
> : ^^
>value : 42
> : ^^

19
tests/baselines/reference/deprecatedCompilerOptionsBaseUrlIgnored.js Normal file
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@ -0,0 +1,19 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrlIgnored.ts] ////
//// [module.ts]
export const value = 42;
//// [main.ts]
import { value } from "@app/module";
const result = value;
//// [module.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.value = void 0;
exports.value = 42;
//// [main.js]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var module_1 = require("@app/module");
var result = module_1.value;

14
tests/baselines/reference/deprecatedCompilerOptionsBaseUrlIgnored.symbols Normal file
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@ -0,0 +1,14 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrlIgnored.ts] ////
=== /foo/src/app/module.ts ===
export const value = 42;
>value : Symbol(value, Decl(module.ts, 0, 12))
=== /foo/src/main.ts ===
import { value } from "@app/module";
>value : Symbol(value, Decl(main.ts, 0, 8))
const result = value;
>result : Symbol(result, Decl(main.ts, 1, 5))
>value : Symbol(value, Decl(main.ts, 0, 8))

20
tests/baselines/reference/deprecatedCompilerOptionsBaseUrlIgnored.types Normal file
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@ -0,0 +1,20 @@
//// [tests/cases/compiler/deprecatedCompilerOptionsBaseUrlIgnored.ts] ////
=== /foo/src/app/module.ts ===
export const value = 42;
>value : 42
> : ^^
>42 : 42
> : ^^
=== /foo/src/main.ts ===
import { value } from "@app/module";
>value : 42
> : ^^
const result = value;
>result : 42
> : ^^
>value : 42
> : ^^

18
tests/cases/compiler/deprecatedCompilerOptionsBaseUrl.ts Normal file
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@ -0,0 +1,18 @@
// @typeScriptVersion: 6.0
// @filename: /foo/tsconfig.json
{
"compilerOptions": {
"baseUrl": "./src",
"paths": {
"@app/*": ["app/*"],
"@lib/*": ["lib/*"]
}
}
}
// @filename: /foo/src/app/module.ts
export const value = 42;
// @filename: /foo/src/main.ts
import { value } from "@app/module";
const result = value;

19
tests/cases/compiler/deprecatedCompilerOptionsBaseUrlIgnored.ts Normal file
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@ -0,0 +1,19 @@
// @typeScriptVersion: 6.0
// @filename: /foo/tsconfig.json
{
"compilerOptions": {
"baseUrl": "./src",
"paths": {
"@app/*": ["app/*"],
"@lib/*": ["lib/*"]
},
"ignoreDeprecations": "6.0"
}
}
// @filename: /foo/src/app/module.ts
export const value = 42;
// @filename: /foo/src/main.ts
import { value } from "@app/module";
const result = value;