function reportErrorsAndExit(allDiagnostics, options, consoleError) {
if (consoleError === void 0) { consoleError = console.error; }
var errorsAndWarnings = perform_compile_1.filterErrorsAndWarnings(allDiagnostics);
if (errorsAndWarnings.length) {
var currentDir_1 = options ? options.basePath : undefined;
var formatHost = {
getCurrentDirectory: function () { return currentDir_1 || ts.sys.getCurrentDirectory(); },
getCanonicalFileName: function (fileName) { return fileName; },
getNewLine: function () { return ts.sys.newLine; }
};
consoleError(perform_compile_1.formatDiagnostics(errorsAndWarnings, formatHost));
}
return perform_compile_1.exitCodeFromResult(allDiagnostics);
}
return perform_watch_1.performWatchCompilation(perform_watch_1.createPerformWatchHost(project, function (diagnostics) {
consoleError(perform_compile_1.formatDiagnostics(diagnostics));
}, options, function (options) { return createEmitCallback(options); }));
function formatDiagnostics(diags) {
return perform_compile_1.formatDiagnostics(diags);
}