Function createDirectory

test/fixtures/snapshot/typescript.js:115311–115319

(dirPath)

            return cachedReadDirectoryResult.has(ts.ensureTrailingDirectorySeparator(path)) || host.directoryExists(dirPath);
        }
        function createDirectory(dirPath) {
            var path = toPath(dirPath);
            var result = getCachedFileSystemEntriesForBaseDir(path);
            var baseFileName = getBaseNameOfFileName(dirPath);
            if (result) {
                updateFileSystemEntry(result.directories, baseFileName, /*isValid*/ true);
            }
            host.createDirectory(dirPath);
        }
        function getDirectories(rootDir) {
            var rootDirPath = toPath(rootDir);
            var result = tryReadDirectory(rootDir, rootDirPath);