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Add error when importing/exporting types in JS files (#49580)

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* Add error when importing/exporting types in JS files

* Ignore type-only imports, update other baselines

* Clean up
This commit is contained in:
Andrew Branch
2022-06-17 14:39:24 -07:00
committed by GitHub
parent 9f1983d8f4
commit 1213c35d57
10 changed files with 282 additions and 118 deletions
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src/compiler/checker.ts
+36
View File
@@ -40828,6 +40828,42 @@ namespace ts {
// otherwise it will conflict with some local declaration). Note that in addition to normal flags we include matching SymbolFlags.Export*
// in order to prevent collisions with declarations that were exported from the current module (they still contribute to local names).
symbol = getMergedSymbol(symbol.exportSymbol || symbol);
// A type-only import/export will already have a grammar error in a JS file, so no need to issue more errors within
if (isInJSFile(node) && !(target.flags & SymbolFlags.Value) && !isTypeOnlyImportOrExportDeclaration(node)) {
const errorNode =
isImportOrExportSpecifier(node) ? node.propertyName || node.name :
isNamedDeclaration(node) ? node.name :
node;
Debug.assert(node.kind !== SyntaxKind.NamespaceExport);
if (node.kind === SyntaxKind.ExportSpecifier) {
const diag = error(errorNode, Diagnostics.Types_cannot_appear_in_export_declarations_in_JavaScript_files);
const alreadyExportedSymbol = getSourceFileOfNode(node).symbol?.exports?.get((node.propertyName || node.name).escapedText);
if (alreadyExportedSymbol === target) {
const exportingDeclaration = alreadyExportedSymbol.declarations?.find(isJSDocNode);
if (exportingDeclaration) {
addRelatedInfo(diag, createDiagnosticForNode(
exportingDeclaration,
Diagnostics._0_is_automatically_exported_here,
unescapeLeadingUnderscores(alreadyExportedSymbol.escapedName)));
}
}
}
else {
Debug.assert(node.kind !== SyntaxKind.VariableDeclaration);
const importDeclaration = findAncestor(node, or(isImportDeclaration, isImportEqualsDeclaration)) as ImportDeclaration | ImportEqualsDeclaration | undefined;
const moduleSpecifier = (importDeclaration && tryGetModuleSpecifierFromDeclaration(importDeclaration)?.text) ?? "...";
const importedIdentifier = unescapeLeadingUnderscores(isIdentifier(errorNode) ? errorNode.escapedText : symbol.escapedName);
error(
errorNode,
Diagnostics._0_is_a_type_and_cannot_be_imported_in_JavaScript_files_Use_1_in_a_JSDoc_type_annotation,
importedIdentifier,
`import("${moduleSpecifier}").${importedIdentifier}`);
}
return;
}
const excludedMeanings =
(symbol.flags & (SymbolFlags.Value | SymbolFlags.ExportValue) ? SymbolFlags.Value : 0) |
(symbol.flags & SymbolFlags.Type ? SymbolFlags.Type : 0) |
src/compiler/diagnosticMessages.json
+13 -1
View File
@@ -3498,7 +3498,7 @@
"'{0}' is an unused renaming of '{1}'. Did you intend to use it as a type annotation?": {
"category": "Error",
"code": 2842
},
},
"We can only write a type for '{0}' by adding a type for the entire parameter here.": {
"category": "Error",
"code": 2843
@@ -7405,5 +7405,17 @@
"A 'return' statement cannot be used inside a class static block.": {
"category": "Error",
"code": 18041
},
"'{0}' is a type and cannot be imported in JavaScript files. Use '{1}' in a JSDoc type annotation.": {
"category": "Error",
"code": 18042
},
"Types cannot appear in export declarations in JavaScript files.": {
"category": "Error",
"code": 18043
},
"'{0}' is automatically exported here.": {
"category": "Message",
"code": 18044
}
}
tests/baselines/reference/importingExportingTypes.errors.txt
+34
View File
@@ -0,0 +1,34 @@
/index.js(1,21): error TS18042: 'WriteFileOptions' is a type and cannot be imported in JavaScript files. Use 'import("fs").WriteFileOptions' in a JSDoc type annotation.
/index.js(1,39): error TS18042: 'WriteFileOptions' is a type and cannot be imported in JavaScript files. Use 'import("fs").WriteFileOptions' in a JSDoc type annotation.
/index.js(5,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
/index.js(6,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
/index.js(7,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
==== /node_modules/@types/node/index.d.ts (0 errors) ====
declare module "fs" {
export interface WriteFileOptions {}
export function writeFile(path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void): void;
}
==== /index.js (5 errors) ====
import { writeFile, WriteFileOptions, WriteFileOptions as OtherName } from "fs";
~~~~~~~~~~~~~~~~
!!! error TS18042: 'WriteFileOptions' is a type and cannot be imported in JavaScript files. Use 'import("fs").WriteFileOptions' in a JSDoc type annotation.
~~~~~~~~~~~~~~~~
!!! error TS18042: 'WriteFileOptions' is a type and cannot be imported in JavaScript files. Use 'import("fs").WriteFileOptions' in a JSDoc type annotation.
/** @typedef {{ x: any }} JSDocType */
export { JSDocType };
~~~~~~~~~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
!!! related TS18044 /index.js:3:5: 'JSDocType' is automatically exported here.
export { JSDocType as ThisIsFine };
~~~~~~~~~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
!!! related TS18044 /index.js:3:5: 'JSDocType' is automatically exported here.
export { WriteFileOptions };
~~~~~~~~~~~~~~~~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
tests/baselines/reference/importingExportingTypes.symbols
+37
View File
@@ -0,0 +1,37 @@
=== /node_modules/@types/node/index.d.ts ===
declare module "fs" {
>"fs" : Symbol("fs", Decl(index.d.ts, 0, 0))
export interface WriteFileOptions {}
>WriteFileOptions : Symbol(WriteFileOptions, Decl(index.d.ts, 0, 21))
export function writeFile(path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void): void;
>writeFile : Symbol(writeFile, Decl(index.d.ts, 1, 38))
>path : Symbol(path, Decl(index.d.ts, 2, 28))
>data : Symbol(data, Decl(index.d.ts, 2, 41))
>options : Symbol(options, Decl(index.d.ts, 2, 52))
>WriteFileOptions : Symbol(WriteFileOptions, Decl(index.d.ts, 0, 21))
>callback : Symbol(callback, Decl(index.d.ts, 2, 79))
>err : Symbol(err, Decl(index.d.ts, 2, 91))
>Error : Symbol(Error, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
}
=== /index.js ===
import { writeFile, WriteFileOptions, WriteFileOptions as OtherName } from "fs";
>writeFile : Symbol(writeFile, Decl(index.js, 0, 8))
>WriteFileOptions : Symbol(WriteFileOptions, Decl(index.js, 0, 19))
>WriteFileOptions : Symbol(WriteFileOptions, Decl(index.d.ts, 0, 21))
>OtherName : Symbol(OtherName, Decl(index.js, 0, 37))
/** @typedef {{ x: any }} JSDocType */
export { JSDocType };
>JSDocType : Symbol(JSDocType, Decl(index.js, 4, 8), Decl(index.js, 2, 4))
export { JSDocType as ThisIsFine };
>JSDocType : Symbol(JSDocType, Decl(index.js, 4, 8), Decl(index.js, 2, 4))
>ThisIsFine : Symbol(ThisIsFine, Decl(index.js, 5, 8))
export { WriteFileOptions };
>WriteFileOptions : Symbol(WriteFileOptions, Decl(index.js, 6, 8))
tests/baselines/reference/importingExportingTypes.types
+33
View File
@@ -0,0 +1,33 @@
=== /node_modules/@types/node/index.d.ts ===
declare module "fs" {
>"fs" : typeof import("fs")
export interface WriteFileOptions {}
export function writeFile(path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void): void;
>writeFile : (path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void) => void
>path : string
>data : any
>options : WriteFileOptions
>callback : (err: Error) => void
>err : Error
}
=== /index.js ===
import { writeFile, WriteFileOptions, WriteFileOptions as OtherName } from "fs";
>writeFile : (path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void) => void
>WriteFileOptions : any
>WriteFileOptions : any
>OtherName : any
/** @typedef {{ x: any }} JSDocType */
export { JSDocType };
>JSDocType : any
export { JSDocType as ThisIsFine };
>JSDocType : any
>ThisIsFine : any
export { WriteFileOptions };
>WriteFileOptions : any
tests/baselines/reference/jsDeclarationsImportAliasExposedWithinNamespace.errors.txt
+55
View File
@@ -0,0 +1,55 @@
tests/cases/conformance/jsdoc/declarations/file2.js(1,9): error TS18042: 'myTypes' is a type and cannot be imported in JavaScript files. Use 'import("./file.js").myTypes' in a JSDoc type annotation.
==== tests/cases/conformance/jsdoc/declarations/file.js (0 errors) ====
/**
* @namespace myTypes
* @global
* @type {Object<string,*>}
*/
const myTypes = {
// SOME PROPS HERE
};
/** @typedef {string|RegExp|Array<string|RegExp>} myTypes.typeA */
/**
* @typedef myTypes.typeB
* @property {myTypes.typeA} prop1 - Prop 1.
* @property {string} prop2 - Prop 2.
*/
/** @typedef {myTypes.typeB|Function} myTypes.typeC */
export {myTypes};
==== tests/cases/conformance/jsdoc/declarations/file2.js (1 errors) ====
import {myTypes} from './file.js';
~~~~~~~
!!! error TS18042: 'myTypes' is a type and cannot be imported in JavaScript files. Use 'import("./file.js").myTypes' in a JSDoc type annotation.
/**
* @namespace testFnTypes
* @global
* @type {Object<string,*>}
*/
const testFnTypes = {
// SOME PROPS HERE
};
/** @typedef {boolean|myTypes.typeC} testFnTypes.input */
/**
* @function testFn
* @description A test function.
* @param {testFnTypes.input} input - Input.
* @returns {number|null} Result.
*/
function testFn(input) {
if (typeof input === 'number') {
return 2 * input;
} else {
return null;
}
}
export {testFn, testFnTypes};
tests/baselines/reference/jsDeclarationsInterfaces.errors.txt
+13 -1
View File
@@ -2,8 +2,12 @@ tests/cases/conformance/jsdoc/declarations/index.js(4,18): error TS8006: 'interf
tests/cases/conformance/jsdoc/declarations/index.js(6,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(10,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(31,11): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(33,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
tests/cases/conformance/jsdoc/declarations/index.js(35,11): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(37,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
tests/cases/conformance/jsdoc/declarations/index.js(39,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(40,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
tests/cases/conformance/jsdoc/declarations/index.js(42,10): error TS18043: Types cannot appear in export declarations in JavaScript files.
tests/cases/conformance/jsdoc/declarations/index.js(43,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(45,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/cases/conformance/jsdoc/declarations/index.js(49,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
@@ -26,7 +30,7 @@ tests/cases/conformance/jsdoc/declarations/index.js(111,18): error TS8006: 'inte
tests/cases/conformance/jsdoc/declarations/index.js(115,18): error TS8006: 'interface' declarations can only be used in TypeScript files.
==== tests/cases/conformance/jsdoc/declarations/index.js (26 errors) ====
==== tests/cases/conformance/jsdoc/declarations/index.js (30 errors) ====
// Pretty much all of this should be an error, (since interfaces are forbidden in js),
// but we should be able to synthesize declarations from the symbols regardless
@@ -68,19 +72,27 @@ tests/cases/conformance/jsdoc/declarations/index.js(115,18): error TS8006: 'inte
!!! error TS8006: 'interface' declarations can only be used in TypeScript files.
export { G };
~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
interface HH {}
~~
!!! error TS8006: 'interface' declarations can only be used in TypeScript files.
export { HH as H };
~~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
export interface I {}
~
!!! error TS8006: 'interface' declarations can only be used in TypeScript files.
export { I as II };
~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
export { J as JJ };
~
!!! error TS18043: Types cannot appear in export declarations in JavaScript files.
export interface J {}
~
!!! error TS8006: 'interface' declarations can only be used in TypeScript files.
tests/baselines/reference/jsxCheckJsxNoTypeArgumentsAllowed.errors.txt
+4 -1
View File
@@ -1,3 +1,4 @@
tests/cases/conformance/jsx/file.jsx(1,18): error TS18042: 'Prop' is a type and cannot be imported in JavaScript files. Use 'import("./component").Prop' in a JSDoc type annotation.
tests/cases/conformance/jsx/file.jsx(4,9): error TS2657: JSX expressions must have one parent element.
tests/cases/conformance/jsx/file.jsx(4,16): error TS1003: Identifier expected.
tests/cases/conformance/jsx/file.jsx(4,17): error TS2693: 'Prop' only refers to a type, but is being used as a value here.
@@ -17,8 +18,10 @@ tests/cases/conformance/jsx/file.jsx(5,1): error TS1005: '</' expected.
b: string
}
==== tests/cases/conformance/jsx/file.jsx (6 errors) ====
==== tests/cases/conformance/jsx/file.jsx (7 errors) ====
import { MyComp, Prop } from "./component";
~~~~
!!! error TS18042: 'Prop' is a type and cannot be imported in JavaScript files. Use 'import("./component").Prop' in a JSDoc type annotation.
import * as React from "react";
let x = <MyComp<Prop> a={10} b="hi" />; // error, no type arguments in js
tests/baselines/reference/tsbuild/javascriptProjectEmit/loads-js-based-projects-and-emits-them-correctly.js
+39 -115
View File
@@ -115,7 +115,15 @@ export function getVar() {
Output::
/lib/tsc -b /src
exitCode:: ExitStatus.Success
src/sub-project/index.js:1:10 - error TS18042: 'Nominal' is a type and cannot be imported in JavaScript files. Use 'import("../common/nominal").Nominal' in a JSDoc type annotation.
1 import { Nominal } from '../common/nominal';
   ~~~~~~~
Found 1 error.
exitCode:: ExitStatus.DiagnosticsPresent_OutputsGenerated
//// [/lib/common/nominal.d.ts]
@@ -172,21 +180,8 @@ module.exports = {};
"size": 1243
}
//// [/lib/sub-project/index.d.ts]
export type MyNominal = Nominal<string, 'MyNominal'>;
import { Nominal } from "../common/nominal";
//// [/lib/sub-project/index.js]
"use strict";
exports.__esModule = true;
/**
* @typedef {Nominal<string, 'MyNominal'>} MyNominal
*/
//// [/lib/sub-project/tsconfig.tsbuildinfo]
{"program":{"fileNames":["../lib.d.ts","../common/nominal.d.ts","../../src/sub-project/index.js"],"fileInfos":[{"version":"-32082413277-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };\ninterface SymbolConstructor {\n readonly species: symbol;\n readonly toStringTag: symbol;\n}\ndeclare var Symbol: SymbolConstructor;\ninterface Symbol {\n readonly [Symbol.toStringTag]: string;\n}\n","affectsGlobalScope":true},"-15964609857-export type Nominal<T, Name> = T & {\r\n [Symbol.species]: Name;\r\n};\r\n",{"version":"-23375763082-import { Nominal } from '../common/nominal';\n\n/**\n * @typedef {Nominal<string, 'MyNominal'>} MyNominal\n */\n","signature":"-1163946571-export type MyNominal = Nominal<string, 'MyNominal'>;\r\nimport { Nominal } from \"../common/nominal\";\r\n"}],"options":{"composite":true,"declaration":true,"outDir":"..","rootDir":"../../src","skipLibCheck":true},"fileIdsList":[[2]],"referencedMap":[[3,1]],"exportedModulesMap":[],"semanticDiagnosticsPerFile":[2,1,3],"dtsChangeTime":24000},"version":"FakeTSVersion"}
{"program":{"fileNames":["../lib.d.ts","../common/nominal.d.ts","../../src/sub-project/index.js"],"fileInfos":[{"version":"-32082413277-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };\ninterface SymbolConstructor {\n readonly species: symbol;\n readonly toStringTag: symbol;\n}\ndeclare var Symbol: SymbolConstructor;\ninterface Symbol {\n readonly [Symbol.toStringTag]: string;\n}\n","affectsGlobalScope":true},"-15964609857-export type Nominal<T, Name> = T & {\r\n [Symbol.species]: Name;\r\n};\r\n","-23375763082-import { Nominal } from '../common/nominal';\n\n/**\n * @typedef {Nominal<string, 'MyNominal'>} MyNominal\n */\n"],"options":{"composite":true,"declaration":true,"outDir":"..","rootDir":"../../src","skipLibCheck":true},"fileIdsList":[[2]],"referencedMap":[[3,1]],"exportedModulesMap":[[3,1]],"semanticDiagnosticsPerFile":[2,1,[3,[{"file":"../../src/sub-project/index.js","start":9,"length":7,"messageText":"'Nominal' is a type and cannot be imported in JavaScript files. Use 'import(\"../common/nominal\").Nominal' in a JSDoc type annotation.","category":1,"code":18042}]]],"affectedFilesPendingEmit":[[2,1],[3,1]],"emitSignatures":[3]},"version":"FakeTSVersion"}
//// [/lib/sub-project/tsconfig.tsbuildinfo.readable.baseline.txt]
{
@@ -213,7 +208,7 @@ exports.__esModule = true;
},
"../../src/sub-project/index.js": {
"version": "-23375763082-import { Nominal } from '../common/nominal';\n\n/**\n * @typedef {Nominal<string, 'MyNominal'>} MyNominal\n */\n",
"signature": "-1163946571-export type MyNominal = Nominal<string, 'MyNominal'>;\r\nimport { Nominal } from \"../common/nominal\";\r\n"
"signature": "-23375763082-import { Nominal } from '../common/nominal';\n\n/**\n * @typedef {Nominal<string, 'MyNominal'>} MyNominal\n */\n"
}
},
"options": {
@@ -228,114 +223,43 @@ exports.__esModule = true;
"../common/nominal.d.ts"
]
},
"exportedModulesMap": {},
"semanticDiagnosticsPerFile": [
"../common/nominal.d.ts",
"../lib.d.ts",
"../../src/sub-project/index.js"
],
"dtsChangeTime": 24000
},
"version": "FakeTSVersion",
"size": 1427
}
//// [/lib/sub-project-2/index.d.ts]
/**
* @return {keyof typeof variable}
*/
export function getVar(): keyof typeof variable;
declare namespace variable {
const key: MyNominal;
}
import { MyNominal } from "../sub-project/index";
export {};
//// [/lib/sub-project-2/index.js]
"use strict";
exports.__esModule = true;
exports.getVar = void 0;
var variable = {
key: /** @type {MyNominal} */ ('value')
};
/**
* @return {keyof typeof variable}
*/
function getVar() {
return 'key';
}
exports.getVar = getVar;
//// [/lib/sub-project-2/tsconfig.tsbuildinfo]
{"program":{"fileNames":["../lib.d.ts","../common/nominal.d.ts","../sub-project/index.d.ts","../../src/sub-project-2/index.js"],"fileInfos":[{"version":"-32082413277-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };\ninterface SymbolConstructor {\n readonly species: symbol;\n readonly toStringTag: symbol;\n}\ndeclare var Symbol: SymbolConstructor;\ninterface Symbol {\n readonly [Symbol.toStringTag]: string;\n}\n","affectsGlobalScope":true},"-15964609857-export type Nominal<T, Name> = T & {\r\n [Symbol.species]: Name;\r\n};\r\n","-1163946571-export type MyNominal = Nominal<string, 'MyNominal'>;\r\nimport { Nominal } from \"../common/nominal\";\r\n",{"version":"9520601400-import { MyNominal } from '../sub-project/index';\n\nconst variable = {\n key: /** @type {MyNominal} */('value'),\n};\n\n/**\n * @return {keyof typeof variable}\n */\nexport function getVar() {\n return 'key';\n}\n","signature":"-8647857726-/**\r\n * @return {keyof typeof variable}\r\n */\r\nexport function getVar(): keyof typeof variable;\r\ndeclare namespace variable {\r\n const key: MyNominal;\r\n}\r\nimport { MyNominal } from \"../sub-project/index\";\r\nexport {};\r\n"}],"options":{"composite":true,"declaration":true,"outDir":"..","rootDir":"../../src","skipLibCheck":true},"fileIdsList":[[2],[3]],"referencedMap":[[3,1],[4,2]],"exportedModulesMap":[[3,1]],"semanticDiagnosticsPerFile":[2,1,3,4],"dtsChangeTime":31000},"version":"FakeTSVersion"}
//// [/lib/sub-project-2/tsconfig.tsbuildinfo.readable.baseline.txt]
{
"program": {
"fileNames": [
"../lib.d.ts",
"../common/nominal.d.ts",
"../sub-project/index.d.ts",
"../../src/sub-project-2/index.js"
],
"fileNamesList": [
[
"../common/nominal.d.ts"
],
[
"../sub-project/index.d.ts"
]
],
"fileInfos": {
"../lib.d.ts": {
"version": "-32082413277-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };\ninterface SymbolConstructor {\n readonly species: symbol;\n readonly toStringTag: symbol;\n}\ndeclare var Symbol: SymbolConstructor;\ninterface Symbol {\n readonly [Symbol.toStringTag]: string;\n}\n",
"signature": "-32082413277-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };\ninterface SymbolConstructor {\n readonly species: symbol;\n readonly toStringTag: symbol;\n}\ndeclare var Symbol: SymbolConstructor;\ninterface Symbol {\n readonly [Symbol.toStringTag]: string;\n}\n",
"affectsGlobalScope": true
},
"../common/nominal.d.ts": {
"version": "-15964609857-export type Nominal<T, Name> = T & {\r\n [Symbol.species]: Name;\r\n};\r\n",
"signature": "-15964609857-export type Nominal<T, Name> = T & {\r\n [Symbol.species]: Name;\r\n};\r\n"
},
"../sub-project/index.d.ts": {
"version": "-1163946571-export type MyNominal = Nominal<string, 'MyNominal'>;\r\nimport { Nominal } from \"../common/nominal\";\r\n",
"signature": "-1163946571-export type MyNominal = Nominal<string, 'MyNominal'>;\r\nimport { Nominal } from \"../common/nominal\";\r\n"
},
"../../src/sub-project-2/index.js": {
"version": "9520601400-import { MyNominal } from '../sub-project/index';\n\nconst variable = {\n key: /** @type {MyNominal} */('value'),\n};\n\n/**\n * @return {keyof typeof variable}\n */\nexport function getVar() {\n return 'key';\n}\n",
"signature": "-8647857726-/**\r\n * @return {keyof typeof variable}\r\n */\r\nexport function getVar(): keyof typeof variable;\r\ndeclare namespace variable {\r\n const key: MyNominal;\r\n}\r\nimport { MyNominal } from \"../sub-project/index\";\r\nexport {};\r\n"
}
},
"options": {
"composite": true,
"declaration": true,
"outDir": "..",
"rootDir": "../../src",
"skipLibCheck": true
},
"referencedMap": {
"../sub-project/index.d.ts": [
"../common/nominal.d.ts"
],
"../../src/sub-project-2/index.js": [
"../sub-project/index.d.ts"
]
},
"exportedModulesMap": {
"../sub-project/index.d.ts": [
"../../src/sub-project/index.js": [
"../common/nominal.d.ts"
]
},
"semanticDiagnosticsPerFile": [
"../common/nominal.d.ts",
"../lib.d.ts",
"../sub-project/index.d.ts",
"../../src/sub-project-2/index.js"
[
"../../src/sub-project/index.js",
[
{
"file": "../../src/sub-project/index.js",
"start": 9,
"length": 7,
"messageText": "'Nominal' is a type and cannot be imported in JavaScript files. Use 'import(\"../common/nominal\").Nominal' in a JSDoc type annotation.",
"category": 1,
"code": 18042
}
]
]
],
"dtsChangeTime": 31000
"affectedFilesPendingEmit": [
[
"../common/nominal.d.ts",
"Full"
],
[
"../../src/sub-project/index.js",
"Full"
]
],
"emitSignatures": [
"../../src/sub-project/index.js"
]
},
"version": "FakeTSVersion",
"size": 1834
"size": 1571
}
tests/cases/conformance/salsa/importingExportingTypes.ts
+18
View File
@@ -0,0 +1,18 @@
// @allowJs: true
// @checkJs: true
// @noEmit: true
// @Filename: /node_modules/@types/node/index.d.ts
declare module "fs" {
export interface WriteFileOptions {}
export function writeFile(path: string, data: any, options: WriteFileOptions, callback: (err: Error) => void): void;
}
// @Filename: /index.js
import { writeFile, WriteFileOptions, WriteFileOptions as OtherName } from "fs";
/** @typedef {{ x: any }} JSDocType */
export { JSDocType };
export { JSDocType as ThisIsFine };
export { WriteFileOptions };