/// <reference path="types.ts" />
/// <reference path="shared.ts" />
namespace ts.server {
export enum LogLevel {
terse,
normal,
requestTime,
verbose
}
export const emptyArray: SortedReadonlyArray<never> = createSortedArray<never>();
export interface Logger {
close(): void;
hasLevel(level: LogLevel): boolean;
loggingEnabled(): boolean;
perftrc(s: string): void;
info(s: string): void;
startGroup(): void;
endGroup(): void;
msg(s: string, type?: Msg): void;
getLogFileName(): string;
}
// TODO: Use a const enum (https://github.com/Microsoft/TypeScript/issues/16804)
export enum Msg {
Err = "Err",
Info = "Info",
Perf = "Perf",
}
export namespace Msg {
/** @deprecated Only here for backwards-compatibility. Prefer just `Msg`. */
export type Types = Msg;
}
export function createInstallTypingsRequest(project: Project, typeAcquisition: TypeAcquisition, unresolvedImports: SortedReadonlyArray<string>, cachePath?: string): DiscoverTypings {
return {
projectName: project.getProjectName(),
fileNames: project.getFileNames(/*excludeFilesFromExternalLibraries*/ true, /*excludeConfigFiles*/ true).concat(project.getExcludedFiles() as NormalizedPath[]),
compilerOptions: project.getCompilationSettings(),
typeAcquisition,
unresolvedImports,
projectRootPath: project.getCurrentDirectory() as Path,
cachePath,
kind: "discover"
};
}
export namespace Errors {
export function ThrowNoProject(): never {
throw new Error("No Project.");
}
export function ThrowProjectLanguageServiceDisabled(): never {
throw new Error("The project's language service is disabled.");
}
export function ThrowProjectDoesNotContainDocument(fileName: string, project: Project): never {
throw new Error(`Project '${project.getProjectName()}' does not contain document '${fileName}'`);
}
}
export function getDefaultFormatCodeSettings(host: ServerHost): FormatCodeSettings {
return {
indentSize: 4,
tabSize: 4,
newLineCharacter: host.newLine || "\n",
convertTabsToSpaces: true,
indentStyle: IndentStyle.Smart,
insertSpaceAfterConstructor: false,
insertSpaceAfterCommaDelimiter: true,
insertSpaceAfterSemicolonInForStatements: true,
insertSpaceBeforeAndAfterBinaryOperators: true,
insertSpaceAfterKeywordsInControlFlowStatements: true,
insertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
insertSpaceAfterOpeningAndBeforeClosingNonemptyBraces: true,
insertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
insertSpaceAfterOpeningAndBeforeClosingJsxExpressionBraces: false,
insertSpaceBeforeFunctionParenthesis: false,
placeOpenBraceOnNewLineForFunctions: false,
placeOpenBraceOnNewLineForControlBlocks: false,
};
}
export function mergeMapLikes(target: MapLike<any>, source: MapLike<any>): void {
for (const key in source) {
if (hasProperty(source, key)) {
target[key] = source[key];
}
}
}
export type NormalizedPath = string & { __normalizedPathTag: any };
export function toNormalizedPath(fileName: string): NormalizedPath {
return <NormalizedPath>normalizePath(fileName);
}
export function normalizedPathToPath(normalizedPath: NormalizedPath, currentDirectory: string, getCanonicalFileName: (f: string) => string): Path {
const f = isRootedDiskPath(normalizedPath) ? normalizedPath : getNormalizedAbsolutePath(normalizedPath, currentDirectory);
return <Path>getCanonicalFileName(f);
}
export function asNormalizedPath(fileName: string): NormalizedPath {
return <NormalizedPath>fileName;
}
export interface NormalizedPathMap<T> {
get(path: NormalizedPath): T;
set(path: NormalizedPath, value: T): void;
contains(path: NormalizedPath): boolean;
remove(path: NormalizedPath): void;
}
export function createNormalizedPathMap<T>(): NormalizedPathMap<T> {
const map = createMap<T>();
return {
get(path) {
return map.get(path);
},
set(path, value) {
map.set(path, value);
},
contains(path) {
return map.has(path);
},
remove(path) {
map.delete(path);
}
};
}
export interface ProjectOptions {
configHasExtendsProperty: boolean;
/**
* true if config file explicitly listed files
*/
configHasFilesProperty: boolean;
configHasIncludeProperty: boolean;
configHasExcludeProperty: boolean;
/**
* these fields can be present in the project file
*/
files?: string[];
wildcardDirectories?: Map<WatchDirectoryFlags>;
compilerOptions?: CompilerOptions;
typeAcquisition?: TypeAcquisition;
compileOnSave?: boolean;
}
export function isInferredProjectName(name: string) {
// POSIX defines /dev/null as a device - there should be no file with this prefix
return /dev\/null\/inferredProject\d+\*/.test(name);
}
export function makeInferredProjectName(counter: number) {
return `/dev/null/inferredProject${counter}*`;
}
export function createSortedArray<T>(): SortedArray<T> {
return [] as SortedArray<T>;
}
}
/* @internal */
namespace ts.server {
export class ThrottledOperations {
private readonly pendingTimeouts: Map<any> = createMap<any>();
private readonly logger?: Logger | undefined;
constructor(private readonly host: ServerHost, logger: Logger) {
this.logger = logger.hasLevel(LogLevel.verbose) && logger;
}
/**
* Wait `number` milliseconds and then invoke `cb`. If, while waiting, schedule
* is called again with the same `operationId`, cancel this operation in favor
* of the new one. (Note that the amount of time the canceled operation had been
* waiting does not affect the amount of time that the new operation waits.)
*/
public schedule(operationId: string, delay: number, cb: () => void) {
const pendingTimeout = this.pendingTimeouts.get(operationId);
if (pendingTimeout) {
// another operation was already scheduled for this id - cancel it
this.host.clearTimeout(pendingTimeout);
}
// schedule new operation, pass arguments
this.pendingTimeouts.set(operationId, this.host.setTimeout(ThrottledOperations.run, delay, this, operationId, cb));
if (this.logger) {
this.logger.info(`Scheduled: ${operationId}${pendingTimeout ? ", Cancelled earlier one" : ""}`);
}
}
private static run(self: ThrottledOperations, operationId: string, cb: () => void) {
self.pendingTimeouts.delete(operationId);
if (self.logger) {
self.logger.info(`Running: ${operationId}`);
}
cb();
}
}
export class GcTimer {
private timerId: any;
constructor(private readonly host: ServerHost, private readonly delay: number, private readonly logger: Logger) {
}
public scheduleCollect() {
if (!this.host.gc || this.timerId !== undefined) {
// no global.gc or collection was already scheduled - skip this request
return;
}
this.timerId = this.host.setTimeout(GcTimer.run, this.delay, this);
}
private static run(self: GcTimer) {
self.timerId = undefined;
const log = self.logger.hasLevel(LogLevel.requestTime);
const before = log && self.host.getMemoryUsage();
self.host.gc();
if (log) {
const after = self.host.getMemoryUsage();
self.logger.perftrc(`GC::before ${before}, after ${after}`);
}
}
}
export function getBaseConfigFileName(configFilePath: NormalizedPath): "tsconfig.json" | "jsconfig.json" | undefined {
const base = getBaseFileName(configFilePath);
return base === "tsconfig.json" || base === "jsconfig.json" ? base : undefined;
}
export function insertSorted<T>(array: SortedArray<T>, insert: T, compare: Comparer<T>): void {
if (array.length === 0) {
array.push(insert);
return;
}
const insertIndex = binarySearch(array, insert, identity, compare);
if (insertIndex < 0) {
array.splice(~insertIndex, 0, insert);
}
}
export function removeSorted<T>(array: SortedArray<T>, remove: T, compare: Comparer<T>): void {
if (!array || array.length === 0) {
return;
}
if (array[0] === remove) {
array.splice(0, 1);
return;
}
const removeIndex = binarySearch(array, remove, identity, compare);
if (removeIndex >= 0) {
array.splice(removeIndex, 1);
}
}
export function toSortedArray(arr: string[]): SortedArray<string>;
export function toSortedArray<T>(arr: T[], comparer: Comparer<T>): SortedArray<T>;
export function toSortedArray<T>(arr: T[], comparer?: Comparer<T>): SortedArray<T> {
arr.sort(comparer);
return arr as SortedArray<T>;
}
export function toDeduplicatedSortedArray(arr: string[]): SortedArray<string> {
arr.sort();
filterMutate(arr, isNonDuplicateInSortedArray);
return arr as SortedArray<string>;
}
function isNonDuplicateInSortedArray<T>(value: T, index: number, array: T[]) {
return index === 0 || value !== array[index - 1];
}
export function enumerateInsertsAndDeletes<T>(newItems: SortedReadonlyArray<T>, oldItems: SortedReadonlyArray<T>, inserted: (newItem: T) => void, deleted: (oldItem: T) => void, comparer: Comparer<T>) {
let newIndex = 0;
let oldIndex = 0;
const newLen = newItems.length;
const oldLen = oldItems.length;
while (newIndex < newLen && oldIndex < oldLen) {
const newItem = newItems[newIndex];
const oldItem = oldItems[oldIndex];
const compareResult = comparer(newItem, oldItem);
if (compareResult === Comparison.LessThan) {
inserted(newItem);
newIndex++;
}
else if (compareResult === Comparison.GreaterThan) {
deleted(oldItem);
oldIndex++;
}
else {
newIndex++;
oldIndex++;
}
}
while (newIndex < newLen) {
inserted(newItems[newIndex++]);
}
while (oldIndex < oldLen) {
deleted(oldItems[oldIndex++]);
}
}
/* @internal */
export function indent(str: string): string {
return "\n " + str;
}
/** Put stringified JSON on the next line, indented. */
/* @internal */
export function stringifyIndented(json: {}): string {
return "\n " + JSON.stringify(json);
}
}