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Add getParsedCommandLine optional method on compiler host to be able to provide parsedCommandLine instead of redoing work

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Sheetal Nandi
2019-04-23 14:02:08 -07:00
parent 4b81e37941
commit fecafebf76
3 changed files with 25 additions and 11 deletions
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34
src/compiler/program.ts
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@@ -2677,18 +2677,30 @@ namespace ts {
return fromCache || undefined;
}
// An absolute path pointing to the containing directory of the config file
const basePath = getNormalizedAbsolutePath(getDirectoryPath(refPath), host.getCurrentDirectory());
const sourceFile = host.getSourceFile(refPath, ScriptTarget.JSON) as JsonSourceFile | undefined;
addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined);
if (sourceFile === undefined) {
projectReferenceRedirects.set(sourceFilePath, false);
return undefined;
let commandLine: ParsedCommandLine | undefined;
let sourceFile: JsonSourceFile | undefined;
if (host.getParsedCommandLine) {
commandLine = host.getParsedCommandLine(refPath);
if (!commandLine) {
projectReferenceRedirects.set(sourceFilePath, false);
return undefined;
}
sourceFile = Debug.assertDefined(commandLine.options.configFile);
}
else {
// An absolute path pointing to the containing directory of the config file
const basePath = getNormalizedAbsolutePath(getDirectoryPath(refPath), host.getCurrentDirectory());
sourceFile = host.getSourceFile(refPath, ScriptTarget.JSON) as JsonSourceFile | undefined;
addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined);
if (sourceFile === undefined) {
projectReferenceRedirects.set(sourceFilePath, false);
return undefined;
}
sourceFile.path = sourceFilePath;
sourceFile.resolvedPath = sourceFilePath;
sourceFile.originalFileName = refPath;
commandLine = parseJsonSourceFileConfigFileContent(sourceFile, configParsingHost, basePath, /*existingOptions*/ undefined, refPath);
}
sourceFile.path = sourceFilePath;
sourceFile.resolvedPath = sourceFilePath;
sourceFile.originalFileName = refPath;
const commandLine = parseJsonSourceFileConfigFileContent(sourceFile, configParsingHost, basePath, /*existingOptions*/ undefined, refPath);
const resolvedRef: ResolvedProjectReference = { commandLine, sourceFile };
projectReferenceRedirects.set(sourceFilePath, resolvedRef);
if (commandLine.projectReferences) {