fix symlink tag, support arbitrary (ie, directory) links via @link

Introduce indirect symlink lookup to specifier deriver Use fileset, move exec vfs path resolution :shakes fist: Apply files symlink relative to dirname Use directory function
2026-02-06 20:14:01 -06:00 · 2018-06-11 13:06:34 -07:00 · 2018-06-11 13:06:34 -07:00 · 97c3c6056d
commit 97c3c6056d
parent 14da064754
11 changed files with 350 additions and 19 deletions
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@ -4093,7 +4093,14 @@ namespace ts {
                    }
                    else {
                        const contextFile = getSourceFileOfNode(getOriginalNode(context!.enclosingDeclaration))!;
-                        return `"${file.moduleName || moduleSpecifiers.getModuleSpecifier(compilerOptions, contextFile, contextFile.path, file.path, context!.tracker.moduleResolverHost!)}"`;
+                        return `"${file.moduleName || moduleSpecifiers.getModuleSpecifiers(
+                            symbol,
+                            compilerOptions,
+                            contextFile,
+                            context!.tracker.moduleResolverHost!,
+                            context!.tracker.moduleResolverHost!.getSourceFiles!(),
+                            { importModuleSpecifierPreference: "non-relative" }
+                        )[0]}"`;
                    }
                }
                const declaration = symbol.declarations[0];
--- a/src/compiler/moduleSpecifiers.ts
+++ b/src/compiler/moduleSpecifiers.ts
@ -15,17 +15,20 @@ namespace ts.moduleSpecifiers {
    // For each symlink/original for a module, returns a list of ways to import that file.
    export function getModuleSpecifiers(
        moduleSymbol: Symbol,
-        program: Program,
+        compilerOptions: CompilerOptions,
        importingSourceFile: SourceFile,
        host: ModuleSpecifierResolutionHost,
+        files: ReadonlyArray<SourceFile>,
        preferences: ModuleSpecifierPreferences,
    ): ReadonlyArray<ReadonlyArray<string>> {
        const ambient = tryGetModuleNameFromAmbientModule(moduleSymbol);
        if (ambient) return [[ambient]];

-        const compilerOptions = program.getCompilerOptions();
-        const info = getInfo(compilerOptions, importingSourceFile, importingSourceFile.fileName, host);
-        const modulePaths = getAllModulePaths(program, getSourceFileOfNode(moduleSymbol.valueDeclaration));
+        const info = getInfo(compilerOptions, importingSourceFile, importingSourceFile.path, host);
+        if (!files) {
+            return Debug.fail("Files list must be present to resolve symlinks in specifier resolution");
+        }
+        const modulePaths = getAllModulePaths(files, getSourceFileOfNode(moduleSymbol.valueDeclaration), info.getCanonicalFileName, host);

        const global = mapDefined(modulePaths, moduleFileName => getGlobalModuleSpecifier(moduleFileName, info, host, compilerOptions));
        return global.length ? global.map(g => [g]) : modulePaths.map(moduleFileName =>
@ -130,15 +133,57 @@ namespace ts.moduleSpecifiers {
        return firstDefined(imports, ({ text }) => pathIsRelative(text) ? fileExtensionIs(text, Extension.Js) : undefined) || false;
    }

+    function discoverProbableSymlinks(files: ReadonlyArray<SourceFile>) {
+        const symlinks = mapDefined(files, sf =>
+            sf.resolvedModules && firstDefinedIterator(sf.resolvedModules.values(), res =>
+                res && res.originalPath && res.resolvedFileName !== res.originalPath ? [res.resolvedFileName, res.originalPath] : undefined));
+        const result = createMap<string>();
+        if (symlinks) {
+            for (const [resolvedPath, originalPath] of symlinks) {
+                const resolvedParts = getPathComponents(resolvedPath);
+                const originalParts = getPathComponents(originalPath);
+                while (resolvedParts[resolvedParts.length - 1] === originalParts[originalParts.length - 1]) {
+                    resolvedParts.pop();
+                    originalParts.pop();
+                }
+                result.set(getPathFromPathComponents(originalParts), getPathFromPathComponents(resolvedParts));
+            }
+        }
+        return result;
+    }
+
+    function getAllModulePathsUsingIndirectSymlinks(files: ReadonlyArray<SourceFile>, target: string, getCanonicalFileName: (file: string) => string, host: ModuleSpecifierResolutionHost) {
+        const links = discoverProbableSymlinks(files);
+        const paths = arrayFrom(links.keys());
+        let options: string[] | undefined;
+        for (const path of paths) {
+            const resolved = links.get(path)!;
+            if (startsWith(target, resolved + "/")) {
+                const relative = getRelativePathFromDirectory(resolved, target, getCanonicalFileName);
+                const option = resolvePath(path, relative);
+                if (!host.fileExists || host.fileExists(option)) {
+                    if (!options) options = [];
+                    options.push(option);
+                }
+            }
+        }
+        const resolvedtarget = host.getCurrentDirectory ? resolvePath(host.getCurrentDirectory(), target) : target;
+        if (options) {
+            options.push(resolvedtarget); // Since these are speculative, we also include the original resolved name as a possibility
+            return options;
+        }
+        return [resolvedtarget];
+    }
+
    /**
     * Looks for a existing imports that use symlinks to this module.
     * Only if no symlink is available, the real path will be used.
     */
-    function getAllModulePaths(program: Program, { fileName }: SourceFile): ReadonlyArray<string> {
-        const symlinks = mapDefined(program.getSourceFiles(), sf =>
+    function getAllModulePaths(files: ReadonlyArray<SourceFile>, { fileName }: SourceFile, getCanonicalFileName: (file: string) => string, host: ModuleSpecifierResolutionHost): ReadonlyArray<string> {
+        const symlinks = mapDefined(files, sf =>
            sf.resolvedModules && firstDefinedIterator(sf.resolvedModules.values(), res =>
                res && res.resolvedFileName === fileName ? res.originalPath : undefined));
-        return symlinks.length === 0 ? [fileName] : symlinks;
+        return symlinks.length === 0 ? getAllModulePathsUsingIndirectSymlinks(files, fileName, getCanonicalFileName, host) : symlinks;
    }

    function getRelativePathNParents(relativePath: string): number {
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@ -5284,6 +5284,7 @@ namespace ts {
        useCaseSensitiveFileNames?(): boolean;
        fileExists?(path: string): boolean;
        readFile?(path: string): string | undefined;
+        getSourceFiles?(): ReadonlyArray<SourceFile>; // Used for cached resolutions to find symlinks without traversing the fs (again)
    }

    /** @deprecated See comment on SymbolWriter */
--- a/src/harness/compilerRunner.ts
+++ b/src/harness/compilerRunner.ts
@ -187,7 +187,9 @@ class CompilerTest {
            this.otherFiles,
            this.harnessSettings,
            /*options*/ tsConfigOptions,
-            /*currentDirectory*/ this.harnessSettings.currentDirectory);
+            /*currentDirectory*/ this.harnessSettings.currentDirectory,
+            testCaseContent.symlinks
+        );

        this.options = this.result.options;
    }
--- a/src/harness/harness.ts
+++ b/src/harness/harness.ts
@ -1138,6 +1138,7 @@ namespace Harness {
            { name: "noImplicitReferences", type: "boolean" },
            { name: "currentDirectory", type: "string" },
            { name: "symlink", type: "string" },
+            { name: "link", type: "string" },
            // Emitted js baseline will print full paths for every output file
            { name: "fullEmitPaths", type: "boolean" }
        ];
@ -1209,7 +1210,9 @@ namespace Harness {
            harnessSettings: TestCaseParser.CompilerSettings,
            compilerOptions: ts.CompilerOptions,
            // Current directory is needed for rwcRunner to be able to use currentDirectory defined in json file
-            currentDirectory: string): compiler.CompilationResult {
+            currentDirectory: string | undefined,
+            symlinks?: vfs.FileSet
+        ): compiler.CompilationResult {
            const options: ts.CompilerOptions & HarnessOptions = compilerOptions ? ts.cloneCompilerOptions(compilerOptions) : { noResolve: false };
            options.target = options.target || ts.ScriptTarget.ES3;
            options.newLine = options.newLine || ts.NewLineKind.CarriageReturnLineFeed;
@ -1246,6 +1249,9 @@ namespace Harness {

            const docs = inputFiles.concat(otherFiles).map(documents.TextDocument.fromTestFile);
            const fs = vfs.createFromFileSystem(IO, !useCaseSensitiveFileNames, { documents: docs, cwd: currentDirectory });
+            if (symlinks) {
+                fs.apply(symlinks);
+            }
            const host = new fakes.CompilerHost(fs, options);
            return compiler.compileFiles(host, programFileNames, options);
        }
@ -1858,6 +1864,7 @@ namespace Harness {

        // Regex for parsing options in the format "@Alpha: Value of any sort"
        const optionRegex = /^[\/]{2}\s*@(\w+)\s*:\s*([^\r\n]*)/gm;  // multiple matches on multiple lines
+        const linkRegex = /^[\/]{2}\s*@link\s*:\s*([^\r\n]*)\s*->\s*([^\r\n]*)/gm;  // multiple matches on multiple lines

        export function extractCompilerSettings(content: string): CompilerSettings {
            const opts: CompilerSettings = {};
@ -1875,8 +1882,9 @@ namespace Harness {
        export interface TestCaseContent {
            settings: CompilerSettings;
            testUnitData: TestUnitData[];
-            tsConfig: ts.ParsedCommandLine;
-            tsConfigFileUnitData: TestUnitData;
+            tsConfig: ts.ParsedCommandLine | undefined;
+            tsConfigFileUnitData: TestUnitData | undefined;
+            symlinks?: vfs.FileSet;
        }

        /** Given a test file containing // @FileName directives, return an array of named units of code to be added to an existing compiler instance */
@ -1891,10 +1899,16 @@ namespace Harness {
            let currentFileOptions: any = {};
            let currentFileName: any;
            let refs: string[] = [];
+            let symlinks: vfs.FileSet | undefined;

            for (const line of lines) {
-                const testMetaData = optionRegex.exec(line);
-                if (testMetaData) {
+                let testMetaData: RegExpExecArray | null;
+                const linkMetaData = linkRegex.exec(line);
+                if (linkMetaData) {
+                    if (!symlinks) symlinks = {};
+                    symlinks[linkMetaData[2].trim()] = new vfs.Symlink(linkMetaData[1].trim());
+                }
+                else if (testMetaData = optionRegex.exec(line)) {
                    // Comment line, check for global/file @options and record them
                    optionRegex.lastIndex = 0;
                    const metaDataName = testMetaData[1].toLowerCase();
@ -1983,7 +1997,7 @@ namespace Harness {
                    break;
                }
            }
-            return { settings, testUnitData, tsConfig, tsConfigFileUnitData };
+            return { settings, testUnitData, tsConfig, tsConfigFileUnitData, symlinks };
        }
    }

--- a/src/harness/vfs.ts
+++ b/src/harness/vfs.ts
@ -883,7 +883,7 @@ namespace vfs {
                    if (this.stringComparer(vpath.dirname(path), path) === 0) {
                        throw new TypeError("Roots cannot be symbolic links.");
                    }
-                    this.symlinkSync(entry.symlink, path);
+                    this.symlinkSync(vpath.resolve(dirname, entry.symlink), path);
                    this._applyFileExtendedOptions(path, entry);
                }
                else if (entry instanceof Link) {
@ -1050,8 +1050,7 @@ namespace vfs {
                if (symlink) {
                    for (const link of symlink.split(",").map(link => link.trim())) {
                        fs.mkdirpSync(vpath.dirname(link));
-                        fs.symlinkSync(document.file, link);
-                        fs.filemeta(link).set("document", document);
+                        fs.symlinkSync(vpath.resolve(fs.cwd(), document.file), link);
                    }
                }
            }
--- a/src/services/codefixes/importFixes.ts
+++ b/src/services/codefixes/importFixes.ts
@ -237,7 +237,7 @@ namespace ts.codefix {
        preferences: UserPreferences,
    ): ReadonlyArray<NewImportInfo> {
        const choicesForEachExportingModule = flatMap<SymbolExportInfo, NewImportInfo[]>(moduleSymbols, ({ moduleSymbol, importKind }) => {
-            const modulePathsGroups = moduleSpecifiers.getModuleSpecifiers(moduleSymbol, program, sourceFile, host, preferences);
+            const modulePathsGroups = moduleSpecifiers.getModuleSpecifiers(moduleSymbol, program.getCompilerOptions(), sourceFile, host, program.getSourceFiles(), preferences);
            return modulePathsGroups.map(group => group.map(moduleSpecifier => ({ moduleSpecifier, importKind })));
        });
        // Sort to keep the shortest paths first, but keep [relativePath, importRelativeToBaseUrl] groups together
--- a/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.js
+++ b/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.js
@ -0,0 +1,116 @@
+//// [tests/cases/compiler/symbolLinkDeclarationEmitModuleNames.ts] ////
+
+//// [application.ts]
+import { Constructor } from "@loopback/context";
+export type ControllerClass = Constructor<any>;
+//// [usage.ts]
+import { ControllerClass } from './application';
+import { BindingKey } from '@loopback/context';
+
+export const CONTROLLER_CLASS = BindingKey.create<ControllerClass>(null as any); // line in question
+//// [value-promise.ts]
+export type Constructor<T> = (...args: any[]) => T;
+//// [bindingkey.ts]
+import { Constructor } from "@loopback/context"
+export class BindingKey<T> {
+  readonly __type: T;
+  static create<T extends Constructor<any>>(ctor: T) {
+    return new BindingKey<T>();
+  }
+}
+
+//// [index.ts]
+export * from "./src/value-promise";
+export * from "./src/bindingkey";
+
+
+//// [value-promise.js]
+"use strict";
+exports.__esModule = true;
+//// [bindingkey.js]
+"use strict";
+exports.__esModule = true;
+var BindingKey = /** @class */ (function () {
+    function BindingKey() {
+    }
+    BindingKey.create = function (ctor) {
+        return new BindingKey();
+    };
+    return BindingKey;
+}());
+exports.BindingKey = BindingKey;
+//// [index.js]
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+exports.__esModule = true;
+__export(require("./src/bindingkey"));
+//// [application.js]
+"use strict";
+exports.__esModule = true;
+//// [usage.js]
+"use strict";
+exports.__esModule = true;
+var context_1 = require("@loopback/context");
+exports.CONTROLLER_CLASS = context_1.BindingKey.create(null); // line in question
+
+
+//// [value-promise.d.ts]
+export declare type Constructor<T> = (...args: any[]) => T;
+//// [bindingkey.d.ts]
+import { Constructor } from "@loopback/context";
+export declare class BindingKey<T> {
+    readonly __type: T;
+    static create<T extends Constructor<any>>(ctor: T): BindingKey<T>;
+}
+//// [index.d.ts]
+export * from "./src/value-promise";
+export * from "./src/bindingkey";
+//// [application.d.ts]
+import { Constructor } from "@loopback/context";
+export declare type ControllerClass = Constructor<any>;
+//// [usage.d.ts]
+import { BindingKey } from '@loopback/context';
+export declare const CONTROLLER_CLASS: BindingKey<import("@loopback/context/src/value-promise").Constructor<any>>;
+
+
+//// [DtsFileErrors]
+
+
+tests/cases/compiler/monorepo/context/src/bindingkey.d.ts(1,29): error TS2307: Cannot find module '@loopback/context'.
+tests/cases/compiler/monorepo/core/src/application.d.ts(1,29): error TS2307: Cannot find module '@loopback/context'.
+tests/cases/compiler/monorepo/core/src/usage.d.ts(1,28): error TS2307: Cannot find module '@loopback/context'.
+tests/cases/compiler/monorepo/core/src/usage.d.ts(2,51): error TS2307: Cannot find module '@loopback/context/src/value-promise'.
+
+
+==== tests/cases/compiler/monorepo/core/src/application.d.ts (1 errors) ====
+    import { Constructor } from "@loopback/context";
+                                ~~~~~~~~~~~~~~~~~~~
+!!! error TS2307: Cannot find module '@loopback/context'.
+    export declare type ControllerClass = Constructor<any>;
+    
+==== tests/cases/compiler/monorepo/core/src/usage.d.ts (2 errors) ====
+    import { BindingKey } from '@loopback/context';
+                               ~~~~~~~~~~~~~~~~~~~
+!!! error TS2307: Cannot find module '@loopback/context'.
+    export declare const CONTROLLER_CLASS: BindingKey<import("@loopback/context/src/value-promise").Constructor<any>>;
+                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2307: Cannot find module '@loopback/context/src/value-promise'.
+    
+==== /.src/tests/cases/compiler/monorepo/context/src/value-promise.d.ts (0 errors) ====
+    export declare type Constructor<T> = (...args: any[]) => T;
+    
+==== /.src/tests/cases/compiler/monorepo/context/src/bindingkey.d.ts (1 errors) ====
+    import { Constructor } from "@loopback/context";
+                                ~~~~~~~~~~~~~~~~~~~
+!!! error TS2307: Cannot find module '@loopback/context'.
+    export declare class BindingKey<T> {
+        readonly __type: T;
+        static create<T extends Constructor<any>>(ctor: T): BindingKey<T>;
+    }
+    
+==== /.src/tests/cases/compiler/monorepo/context/index.d.ts (0 errors) ====
+    export * from "./src/value-promise";
+    export * from "./src/bindingkey";
+    
--- a/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.symbols
+++ b/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.symbols
@ -0,0 +1,59 @@
+=== tests/cases/compiler/monorepo/core/src/application.ts ===
+import { Constructor } from "@loopback/context";
+>Constructor : Symbol(Constructor, Decl(application.ts, 0, 8))
+
+export type ControllerClass = Constructor<any>;
+>ControllerClass : Symbol(ControllerClass, Decl(application.ts, 0, 48))
+>Constructor : Symbol(Constructor, Decl(application.ts, 0, 8))
+
+=== tests/cases/compiler/monorepo/core/src/usage.ts ===
+import { ControllerClass } from './application';
+>ControllerClass : Symbol(ControllerClass, Decl(usage.ts, 0, 8))
+
+import { BindingKey } from '@loopback/context';
+>BindingKey : Symbol(BindingKey, Decl(usage.ts, 1, 8))
+
+export const CONTROLLER_CLASS = BindingKey.create<ControllerClass>(null as any); // line in question
+>CONTROLLER_CLASS : Symbol(CONTROLLER_CLASS, Decl(usage.ts, 3, 12))
+>BindingKey.create : Symbol(BindingKey.create, Decl(bindingkey.ts, 2, 21))
+>BindingKey : Symbol(BindingKey, Decl(usage.ts, 1, 8))
+>create : Symbol(BindingKey.create, Decl(bindingkey.ts, 2, 21))
+>ControllerClass : Symbol(ControllerClass, Decl(usage.ts, 0, 8))
+
+=== tests/cases/compiler/monorepo/context/src/value-promise.ts ===
+export type Constructor<T> = (...args: any[]) => T;
+>Constructor : Symbol(Constructor, Decl(value-promise.ts, 0, 0))
+>T : Symbol(T, Decl(value-promise.ts, 0, 24))
+>args : Symbol(args, Decl(value-promise.ts, 0, 30))
+>T : Symbol(T, Decl(value-promise.ts, 0, 24))
+
+=== tests/cases/compiler/monorepo/context/src/bindingkey.ts ===
+import { Constructor } from "@loopback/context"
+>Constructor : Symbol(Constructor, Decl(bindingkey.ts, 0, 8))
+
+export class BindingKey<T> {
+>BindingKey : Symbol(BindingKey, Decl(bindingkey.ts, 0, 47))
+>T : Symbol(T, Decl(bindingkey.ts, 1, 24))
+
+  readonly __type: T;
+>__type : Symbol(BindingKey.__type, Decl(bindingkey.ts, 1, 28))
+>T : Symbol(T, Decl(bindingkey.ts, 1, 24))
+
+  static create<T extends Constructor<any>>(ctor: T) {
+>create : Symbol(BindingKey.create, Decl(bindingkey.ts, 2, 21))
+>T : Symbol(T, Decl(bindingkey.ts, 3, 16))
+>Constructor : Symbol(Constructor, Decl(bindingkey.ts, 0, 8))
+>ctor : Symbol(ctor, Decl(bindingkey.ts, 3, 44))
+>T : Symbol(T, Decl(bindingkey.ts, 3, 16))
+
+    return new BindingKey<T>();
+>BindingKey : Symbol(BindingKey, Decl(bindingkey.ts, 0, 47))
+>T : Symbol(T, Decl(bindingkey.ts, 3, 16))
+  }
+}
+
+=== tests/cases/compiler/monorepo/context/index.ts ===
+export * from "./src/value-promise";
+No type information for this code.export * from "./src/bindingkey";
+No type information for this code.
+No type information for this code.
--- a/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.types
+++ b/tests/baselines/reference/symbolLinkDeclarationEmitModuleNames.types
@ -0,0 +1,63 @@
+=== tests/cases/compiler/monorepo/core/src/application.ts ===
+import { Constructor } from "@loopback/context";
+>Constructor : any
+
+export type ControllerClass = Constructor<any>;
+>ControllerClass : Constructor<any>
+>Constructor : Constructor<T>
+
+=== tests/cases/compiler/monorepo/core/src/usage.ts ===
+import { ControllerClass } from './application';
+>ControllerClass : any
+
+import { BindingKey } from '@loopback/context';
+>BindingKey : typeof BindingKey
+
+export const CONTROLLER_CLASS = BindingKey.create<ControllerClass>(null as any); // line in question
+>CONTROLLER_CLASS : BindingKey<import("tests/cases/compiler/monorepo/context/src/value-promise").Constructor<any>>
+>BindingKey.create<ControllerClass>(null as any) : BindingKey<import("tests/cases/compiler/monorepo/context/src/value-promise").Constructor<any>>
+>BindingKey.create : <T extends import("tests/cases/compiler/monorepo/context/src/value-promise").Constructor<any>>(ctor: T) => BindingKey<T>
+>BindingKey : typeof BindingKey
+>create : <T extends import("tests/cases/compiler/monorepo/context/src/value-promise").Constructor<any>>(ctor: T) => BindingKey<T>
+>ControllerClass : import("tests/cases/compiler/monorepo/context/src/value-promise").Constructor<any>
+>null as any : any
+>null : null
+
+=== tests/cases/compiler/monorepo/context/src/value-promise.ts ===
+export type Constructor<T> = (...args: any[]) => T;
+>Constructor : Constructor<T>
+>T : T
+>args : any[]
+>T : T
+
+=== tests/cases/compiler/monorepo/context/src/bindingkey.ts ===
+import { Constructor } from "@loopback/context"
+>Constructor : any
+
+export class BindingKey<T> {
+>BindingKey : BindingKey<T>
+>T : T
+
+  readonly __type: T;
+>__type : T
+>T : T
+
+  static create<T extends Constructor<any>>(ctor: T) {
+>create : <T extends Constructor<any>>(ctor: T) => BindingKey<T>
+>T : T
+>Constructor : Constructor<T>
+>ctor : T
+>T : T
+
+    return new BindingKey<T>();
+>new BindingKey<T>() : BindingKey<T>
+>BindingKey : typeof BindingKey
+>T : T
+  }
+}
+
+=== tests/cases/compiler/monorepo/context/index.ts ===
+export * from "./src/value-promise";
+No type information for this code.export * from "./src/bindingkey";
+No type information for this code.
+No type information for this code.
--- a/tests/cases/compiler/symbolLinkDeclarationEmitModuleNames.ts
+++ b/tests/cases/compiler/symbolLinkDeclarationEmitModuleNames.ts
@ -0,0 +1,25 @@
+// @declaration: true
+// @filename: monorepo/core/src/application.ts
+import { Constructor } from "@loopback/context";
+export type ControllerClass = Constructor<any>;
+// @filename: monorepo/core/src/usage.ts
+import { ControllerClass } from './application';
+import { BindingKey } from '@loopback/context';
+
+export const CONTROLLER_CLASS = BindingKey.create<ControllerClass>(null as any); // line in question
+// @filename: monorepo/context/src/value-promise.ts
+export type Constructor<T> = (...args: any[]) => T;
+// @filename: monorepo/context/src/bindingkey.ts
+import { Constructor } from "@loopback/context"
+export class BindingKey<T> {
+  readonly __type: T;
+  static create<T extends Constructor<any>>(ctor: T) {
+    return new BindingKey<T>();
+  }
+}
+
+// @filename: monorepo/context/index.ts
+export * from "./src/value-promise";
+export * from "./src/bindingkey";
+
+// @link: tests/cases/compiler/monorepo/context -> tests/cases/compiler/monorepo/core/node_modules/@loopback/context