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fix getExtendedConfig in commandLineParser #27139

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Merged
merged 2 commits into from
Sep 17, 2018
Merged

fix getExtendedConfig in commandLineParser #27139

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78d2219
fix getExtendedConfig in commandLineParser
ajafff Sep 17, 2018
f71030f
Simply override extendedSourceFiles array
ajafff Sep 17, 2018
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10 changes: 5 additions & 5 deletions src/compiler/commandLineParser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1993,7 +1993,7 @@ namespace ts {
if (ownConfig.extendedConfigPath) {
// copy the resolution stack so it is never reused between branches in potential diamond-problem scenarios.
resolutionStack = resolutionStack.concat([resolvedPath]);
const extendedConfig = getExtendedConfig(sourceFile!, ownConfig.extendedConfigPath, host, basePath, resolutionStack, errors);
const extendedConfig = getExtendedConfig(sourceFile, ownConfig.extendedConfigPath, host, basePath, resolutionStack, errors);
if (extendedConfig && isSuccessfulParsedTsconfig(extendedConfig)) {
const baseRaw = extendedConfig.raw;
const raw = ownConfig.raw;
Expand Down Expand Up @@ -2134,7 +2134,7 @@ namespace ts {
}

function getExtendedConfig(
sourceFile: TsConfigSourceFile,
sourceFile: TsConfigSourceFile | undefined,
extendedConfigPath: string,
host: ParseConfigHost,
basePath: string,
Expand All @@ -2143,7 +2143,7 @@ namespace ts {
): ParsedTsconfig | undefined {
const extendedResult = readJsonConfigFile(extendedConfigPath, path => host.readFile(path));
if (sourceFile) {
(sourceFile.extendedSourceFiles || (sourceFile.extendedSourceFiles = [])).push(extendedResult.fileName);
sourceFile.extendedSourceFiles = [extendedResult.fileName];
}
if (extendedResult.parseDiagnostics.length) {
errors.push(...extendedResult.parseDiagnostics);
Expand All @@ -2153,8 +2153,8 @@ namespace ts {
const extendedDirname = getDirectoryPath(extendedConfigPath);
const extendedConfig = parseConfig(/*json*/ undefined, extendedResult, host, extendedDirname,
getBaseFileName(extendedConfigPath), resolutionStack, errors);
if (sourceFile) {
sourceFile.extendedSourceFiles!.push(...extendedResult.extendedSourceFiles!);
if (sourceFile && extendedResult.extendedSourceFiles) {
sourceFile.extendedSourceFiles!.push(...extendedResult.extendedSourceFiles);
}

if (isSuccessfulParsedTsconfig(extendedConfig)) {
Expand Down
14 changes: 14 additions & 0 deletions src/testRunner/unittests/configurationExtension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,20 @@ namespace ts {
}, [
combinePaths(basePath, "main.ts")
]);

it("adds extendedSourceFiles only once", () => {
const sourceFile = readJsonConfigFile("configs/fourth.json", (path) => host.readFile(path));
const dir = combinePaths(basePath, "configs");
const expected = [
combinePaths(dir, "third.json"),
combinePaths(dir, "second.json"),
combinePaths(dir, "base.json"),
];
parseJsonSourceFileConfigFileContent(sourceFile, host, dir, {}, "fourth.json");
assert.deepEqual(sourceFile.extendedSourceFiles, expected);
parseJsonSourceFileConfigFileContent(sourceFile, host, dir, {}, "fourth.json");
assert.deepEqual(sourceFile.extendedSourceFiles, expected);
});
});
});
});
Expand Down