Port --traceResolutions

internal/testutil/harnessutil/harnessutil.go

@@ -516,17 +516,39 @@ func (h *cachedCompilerHost) GetSourceFile(opts ast.SourceFileParseOptions) *ast
 }
 
 type tracer struct {
-	fs               vfs.FS
-	currentDirectory string
-	packageJsonCache map[tspath.Path]bool
-	builder          strings.Builder
+	fs                         vfs.FS
+	currentDirectory           string
+	packageJsonCache           map[tspath.Path]bool
+	builder                    strings.Builder
+	specifiTypesVersionMessage bool
+	noTypesVersionMessage      bool
 }
 
 func (t *tracer) trace(msg string) {
 	fmt.Fprintln(&t.builder, t.sanitizeTrace(msg))
 }
 
 func (t *tracer) sanitizeTrace(msg string) string {
+	if msg == "'package.json' has a 'typesVersions' field with version-specific path mappings." {
+		t.specifiTypesVersionMessage = true
+		t.noTypesVersionMessage = false
+		return msg
+	}
+	if msg == "'package.json' does not have a 'typesVersions' field." {
+		t.noTypesVersionMessage = true
+		t.specifiTypesVersionMessage = false
+		return msg
+	}
+	if strings.HasPrefix(msg, "'package.json' has a 'typesVersions' entry '") && !t.specifiTypesVersionMessage {
+		fmt.Fprintln(&t.builder, "'package.json' has a 'typesVersions' field with version-specific path mappings.")
+	}
+	if (msg == "'package.json' does not have a 'typings' field." ||
+		strings.HasPrefix(msg, "'package.json' has 'typings' field '")) &&
+		!t.noTypesVersionMessage {
+		fmt.Fprintln(&t.builder, "'package.json' does not have a 'typesVersions' field.")
+	}
+	t.noTypesVersionMessage = false
+	t.specifiTypesVersionMessage = false
 	// Version
 	if str := strings.Replace(msg, "'"+core.Version()+"'", "'"+FakeTSVersion+"'", 1); str != msg {
 		return str

testdata/baselines/reference/submodule/compiler/reactJsxReactResolvedNodeNext.trace.json

@@ -15,6 +15,7 @@ Module resolution kind is not specified, using 'NodeNext'.
 Resolving in CJS mode with conditions 'require', 'types', 'node'.
 Loading module as file / folder, candidate module location '/.src/node_modules/@types/react/', target file types: TypeScript, JavaScript, Declaration.
 File '/.src/node_modules/@types/react/package.json' exists according to earlier cached lookups.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/.src/node_modules/@types/react/index.d.ts'.
 File '/.src/node_modules/@types/react/index.d.ts' exists - use it as a name resolution result.
@@ -24,6 +25,7 @@ Module resolution kind is not specified, using 'NodeNext'.
 Resolving in CJS mode with conditions 'require', 'types', 'node'.
 Loading module as file / folder, candidate module location '/.src/node_modules/@types/react/', target file types: TypeScript, JavaScript, Declaration.
 File '/.src/node_modules/@types/react/package.json' exists according to earlier cached lookups.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/.src/node_modules/@types/react/index.d.ts'.
 File '/.src/node_modules/@types/react/index.d.ts' exists - use it as a name resolution result.

testdata/baselines/reference/submodule/compiler/reactJsxReactResolvedNodeNextEsm.trace.json

@@ -16,6 +16,7 @@ Module resolution kind is not specified, using 'NodeNext'.
 Resolving in CJS mode with conditions 'require', 'types', 'node'.
 Loading module as file / folder, candidate module location '/.src/node_modules/@types/react/', target file types: TypeScript, JavaScript, Declaration.
 File '/.src/node_modules/@types/react/package.json' exists according to earlier cached lookups.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/.src/node_modules/@types/react/index.d.ts'.
 File '/.src/node_modules/@types/react/index.d.ts' exists - use it as a name resolution result.
@@ -25,6 +26,7 @@ Module resolution kind is not specified, using 'NodeNext'.
 Resolving in CJS mode with conditions 'require', 'types', 'node'.
 Loading module as file / folder, candidate module location '/.src/node_modules/@types/react/', target file types: TypeScript, JavaScript, Declaration.
 File '/.src/node_modules/@types/react/package.json' exists according to earlier cached lookups.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/.src/node_modules/@types/react/index.d.ts'.
 File '/.src/node_modules/@types/react/index.d.ts' exists - use it as a name resolution result.

testdata/baselines/reference/submodule/conformance/library-reference-10.trace.json

@@ -2,6 +2,7 @@
 Resolving with primary search path '/foo/types'.
 File '/foo/types/jquery.d.ts' does not exist.
 Found 'package.json' at '/foo/types/jquery/package.json'.
+'package.json' does not have a 'typesVersions' field.
 'package.json' has 'typings' field 'jquery.d.ts' that references '/foo/types/jquery/jquery.d.ts'.
 File '/foo/types/jquery/jquery.d.ts' exists - use it as a name resolution result.
 Resolving real path for '/foo/types/jquery/jquery.d.ts', result '/foo/types/jquery/jquery.d.ts'.

testdata/baselines/reference/submodule/conformance/library-reference-2.trace.json

@@ -2,6 +2,7 @@
 Resolving with primary search path '/types'.
 File '/types/jquery.d.ts' does not exist.
 Found 'package.json' at '/types/jquery/package.json'.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'jquery.d.ts' that references '/types/jquery/jquery.d.ts'.
 File '/types/jquery/jquery.d.ts' exists - use it as a name resolution result.

testdata/baselines/reference/submodule/conformance/nodeModulesExportsBlocksTypesVersions(module=node16).trace.json

@@ -91,6 +91,7 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'just-types-versions/foo' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 Found 'package.json' at '/node_modules/just-types-versions/package.json'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '*' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'foo'.
 Module name 'foo', matched pattern 'foo'.
 Trying substitution './types/foo.d.ts', candidate module location: './types/foo.d.ts'.

testdata/baselines/reference/submodule/conformance/nodeModulesExportsBlocksTypesVersions(module=node18).trace.json

@@ -91,6 +91,7 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'just-types-versions/foo' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 Found 'package.json' at '/node_modules/just-types-versions/package.json'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '*' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'foo'.
 Module name 'foo', matched pattern 'foo'.
 Trying substitution './types/foo.d.ts', candidate module location: './types/foo.d.ts'.

testdata/baselines/reference/submodule/conformance/nodeModulesExportsBlocksTypesVersions(module=nodenext).trace.json

@@ -91,6 +91,7 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'just-types-versions/foo' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 Found 'package.json' at '/node_modules/just-types-versions/package.json'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '*' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'foo'.
 Module name 'foo', matched pattern 'foo'.
 Trying substitution './types/foo.d.ts', candidate module location: './types/foo.d.ts'.

testdata/baselines/reference/submodule/conformance/resolvesWithoutExportsDiagnostic1(moduleresolution=bundler).trace.json

@@ -102,6 +102,7 @@ File '/node_modules/bar/index.tsx' does not exist according to earlier cached lo
 File '/node_modules/bar/index.d.ts' does not exist according to earlier cached lookups.
 File '/node_modules/@types/bar/package.json' exists according to earlier cached lookups.
 File '/node_modules/@types/bar.d.ts' does not exist.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/node_modules/@types/bar/index.d.ts'.
 File '/node_modules/@types/bar/index.d.ts' exists - use it as a name resolution result.

testdata/baselines/reference/submodule/conformance/resolvesWithoutExportsDiagnostic1(moduleresolution=node16).trace.json

@@ -91,6 +91,7 @@ File '/node_modules/bar/index.js.tsx' does not exist.
 File '/node_modules/bar/index.js.d.ts' does not exist.
 Directory '/node_modules/bar/index.js' does not exist, skipping all lookups in it.
 File '/node_modules/@types/bar/package.json' exists according to earlier cached lookups.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index.d.ts' that references '/node_modules/@types/bar/index.d.ts'.
 File '/node_modules/@types/bar/index.d.ts' exists - use it as a name resolution result.

testdata/baselines/reference/submodule/conformance/typesVersions.ambientModules.trace.json

@@ -10,8 +10,10 @@ File '/.src/node_modules/ext.ts' does not exist.
 File '/.src/node_modules/ext.tsx' does not exist.
 File '/.src/node_modules/ext.d.ts' does not exist.
 'package.json' has a 'typesVersions' field with version-specific path mappings.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index' that references '/.src/node_modules/ext/index'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
@@ -30,19 +32,22 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'ext/other' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration, JSON.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 File '/.src/node_modules/ext/package.json' exists according to earlier cached lookups.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'other'.
 Module name 'other', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/other'.
 File '/.src/node_modules/ext/ts3.1/other.ts' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.tsx' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.d.ts' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
 Loading module as file / folder, candidate module location '/.src/node_modules/ext/ts3.1/other/ts3.1/index', target file types: TypeScript, Declaration.
 File '/.src/node_modules/ext/other.ts' does not exist.
 File '/.src/node_modules/ext/other.tsx' does not exist.
 File '/.src/node_modules/ext/other.d.ts' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
@@ -52,17 +57,20 @@ Directory '/node_modules' does not exist, skipping all lookups in it.
 Directory '/node_modules/@types' does not exist, skipping all lookups in it.
 Searching all ancestor node_modules directories for fallback extensions: JavaScript, JSON.
 File '/.src/node_modules/ext/package.json' exists according to earlier cached lookups.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'other'.
 Module name 'other', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/other'.
 File '/.src/node_modules/ext/ts3.1/other.js' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.jsx' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
 Loading module as file / folder, candidate module location '/.src/node_modules/ext/ts3.1/other/ts3.1/index', target file types: JavaScript, JSON.
 File '/.src/node_modules/ext/other.js' does not exist.
 File '/.src/node_modules/ext/other.jsx' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.

testdata/baselines/reference/submodule/conformance/typesVersions.multiFile.trace.json

@@ -10,8 +10,10 @@ File '/.src/node_modules/ext.ts' does not exist.
 File '/.src/node_modules/ext.tsx' does not exist.
 File '/.src/node_modules/ext.d.ts' does not exist.
 'package.json' has a 'typesVersions' field with version-specific path mappings.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index' that references '/.src/node_modules/ext/index'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
@@ -30,6 +32,7 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'ext/other' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration, JSON.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 File '/.src/node_modules/ext/package.json' exists according to earlier cached lookups.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'other'.
 Module name 'other', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/other'.

testdata/baselines/reference/submodule/conformance/typesVersionsDeclarationEmit.ambient.trace.json

@@ -10,8 +10,10 @@ File '/.src/node_modules/ext.ts' does not exist.
 File '/.src/node_modules/ext.tsx' does not exist.
 File '/.src/node_modules/ext.d.ts' does not exist.
 'package.json' has a 'typesVersions' field with version-specific path mappings.
+'package.json' does not have a 'typesVersions' field.
 'package.json' does not have a 'typings' field.
 'package.json' has 'types' field 'index' that references '/.src/node_modules/ext/index'.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
@@ -30,19 +32,22 @@ File '/package.json' does not exist according to earlier cached lookups.
 Loading module 'ext/other' from 'node_modules' folder, target file types: TypeScript, JavaScript, Declaration, JSON.
 Searching all ancestor node_modules directories for preferred extensions: TypeScript, Declaration.
 File '/.src/node_modules/ext/package.json' exists according to earlier cached lookups.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'other'.
 Module name 'other', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/other'.
 File '/.src/node_modules/ext/ts3.1/other.ts' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.tsx' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.d.ts' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
 Loading module as file / folder, candidate module location '/.src/node_modules/ext/ts3.1/other/ts3.1/index', target file types: TypeScript, Declaration.
 File '/.src/node_modules/ext/other.ts' does not exist.
 File '/.src/node_modules/ext/other.tsx' does not exist.
 File '/.src/node_modules/ext/other.d.ts' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
@@ -52,17 +57,20 @@ Directory '/node_modules' does not exist, skipping all lookups in it.
 Directory '/node_modules/@types' does not exist, skipping all lookups in it.
 Searching all ancestor node_modules directories for fallback extensions: JavaScript, JSON.
 File '/.src/node_modules/ext/package.json' exists according to earlier cached lookups.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'other'.
 Module name 'other', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/other'.
 File '/.src/node_modules/ext/ts3.1/other.js' does not exist.
 File '/.src/node_modules/ext/ts3.1/other.jsx' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.
 Loading module as file / folder, candidate module location '/.src/node_modules/ext/ts3.1/other/ts3.1/index', target file types: JavaScript, JSON.
 File '/.src/node_modules/ext/other.js' does not exist.
 File '/.src/node_modules/ext/other.jsx' does not exist.
+'package.json' has a 'typesVersions' field with version-specific path mappings.
 'package.json' has a 'typesVersions' entry '>=3.1.0-0' that matches compiler version 'FakeTSVersion', looking for a pattern to match module name 'index'.
 Module name 'index', matched pattern '*'.
 Trying substitution 'ts3.1/*', candidate module location: 'ts3.1/index'.