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findConfigFile can return undefined (#20556)

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This commit is contained in:
Klaus Meinhardt
2018-01-04 16:56:29 -08:00
committed by Mohamed Hegazy
parent 131cf4714c
commit 7ef541ca1f
3 changed files with 3 additions and 3 deletions
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src/compiler/program.ts
+1 -1
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@@ -6,7 +6,7 @@
namespace ts {
const ignoreDiagnosticCommentRegEx = /(^\s*$)|(^\s*\/\/\/?\s*(@ts-ignore)?)/;
export function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName = "tsconfig.json"): string {
export function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName = "tsconfig.json"): string | undefined {
return forEachAncestorDirectory(searchPath, ancestor => {
const fileName = combinePaths(ancestor, configName);
return fileExists(fileName) ? fileName : undefined;
tests/baselines/reference/api/tsserverlibrary.d.ts
Vendored
+1 -1
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@@ -3770,7 +3770,7 @@ declare namespace ts {
}
}
declare namespace ts {
function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string;
function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string | undefined;
function resolveTripleslashReference(moduleName: string, containingFile: string): string;
function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost;
function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[];
tests/baselines/reference/api/typescript.d.ts
Vendored
+1 -1
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@@ -3717,7 +3717,7 @@ declare namespace ts {
}
}
declare namespace ts {
function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string;
function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName?: string): string | undefined;
function resolveTripleslashReference(moduleName: string, containingFile: string): string;
function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost;
function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[];