angular-cn/packages/language-service/ivy/test/mock_host.ts

122 lines
3.2 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {absoluteFrom} from '@angular/compiler-cli/src/ngtsc/file_system';
import {MockFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
import * as ts from 'typescript/lib/tsserverlibrary';
const NOOP_FILE_WATCHER: ts.FileWatcher = {
close() {}
};
/**
* Adapts from the `ts.server.ServerHost` API to an in-memory filesystem.
*/
export class MockServerHost implements ts.server.ServerHost {
constructor(private fs: MockFileSystem) {}
get newLine(): string {
return '\n';
}
get useCaseSensitiveFileNames(): boolean {
return this.fs.isCaseSensitive();
}
readFile(path: string, encoding?: string): string|undefined {
return this.fs.readFile(absoluteFrom(path));
}
resolvePath(path: string): string {
return this.fs.resolve(path);
}
fileExists(path: string): boolean {
const absPath = absoluteFrom(path);
return this.fs.exists(absPath) && this.fs.lstat(absPath).isFile();
}
directoryExists(path: string): boolean {
const absPath = absoluteFrom(path);
return this.fs.exists(absPath) && this.fs.lstat(absPath).isDirectory();
}
createDirectory(path: string): void {
this.fs.ensureDir(absoluteFrom(path));
}
getExecutingFilePath(): string {
// This is load-bearing, as TypeScript uses the result of this call to locate the directory in
// which it expects to find .d.ts files for the "standard libraries" - DOM, ES2015, etc.
return '/node_modules/typescript/lib/tsserver.js';
}
getCurrentDirectory(): string {
return '/';
}
createHash(data: string): string {
return ts.sys.createHash!(data);
}
get args(): string[] {
throw new Error('Property not implemented.');
}
watchFile(
path: string, callback: ts.FileWatcherCallback, pollingInterval?: number,
options?: ts.WatchOptions): ts.FileWatcher {
return NOOP_FILE_WATCHER;
}
watchDirectory(
path: string, callback: ts.DirectoryWatcherCallback, recursive?: boolean,
options?: ts.WatchOptions): ts.FileWatcher {
return NOOP_FILE_WATCHER;
}
setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]) {
throw new Error('Method not implemented.');
}
clearTimeout(timeoutId: any): void {
throw new Error('Method not implemented.');
}
setImmediate(callback: (...args: any[]) => void, ...args: any[]) {
throw new Error('Method not implemented.');
}
clearImmediate(timeoutId: any): void {
throw new Error('Method not implemented.');
}
write(s: string): void {
throw new Error('Method not implemented.');
}
writeFile(path: string, data: string, writeByteOrderMark?: boolean): void {
throw new Error('Method not implemented.');
}
getDirectories(path: string): string[] {
throw new Error('Method not implemented.');
}
readDirectory(
path: string, extensions?: readonly string[], exclude?: readonly string[],
include?: readonly string[], depth?: number): string[] {
throw new Error('Method not implemented.');
}
exit(exitCode?: number): void {
throw new Error('Method not implemented.');
}
}