Function writeFile

test/fixtures/snapshot/typescript.js:7371–7387

(fileName, data, writeByteOrderMark)

                return file;
            }
            function writeFile(fileName, data, writeByteOrderMark) {
                ts.perfLogger.logEvent("WriteFile: " + fileName);
                // If a BOM is required, emit one
                if (writeByteOrderMark) {
                    data = byteOrderMarkIndicator + data;
                }
                var fd;
                try {
                    fd = _fs.openSync(fileName, "w");
                    _fs.writeSync(fd, data, /*position*/ undefined, "utf8");
                }
                finally {
                    if (fd !== undefined) {
                        _fs.closeSync(fd);
                    }
                }
            }
            function getAccessibleFileSystemEntries(path) {
                ts.perfLogger.logEvent("ReadDir: " + (path || "."));
                try {