mirror of
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Split fakesHosts and some utils into vfs.
I should have done this as two commits. Sorry.
This commit is contained in:
Nathan Shively-Sanders
+182
-591
@@ -1,591 +1,182 @@
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/**
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* Fake implementations of various compiler dependencies.
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*/
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namespace fakes {
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const processExitSentinel = new Error("System exit");
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export interface SystemOptions {
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executingFilePath?: string;
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newLine?: "\r\n" | "\n";
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env?: Record<string, string>;
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}
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/**
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* A fake `ts.System` that leverages a virtual file system.
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*/
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export class System implements ts.System {
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public readonly vfs: vfs.FileSystem;
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public readonly args: string[] = [];
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public readonly output: string[] = [];
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public readonly newLine: string;
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public readonly useCaseSensitiveFileNames: boolean;
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public exitCode: number | undefined;
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private readonly _executingFilePath: string | undefined;
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private readonly _env: Record<string, string> | undefined;
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constructor(vfs: vfs.FileSystem, { executingFilePath, newLine = "\r\n", env }: SystemOptions = {}) {
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this.vfs = vfs.isReadonly ? vfs.shadow() : vfs;
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this.useCaseSensitiveFileNames = !this.vfs.ignoreCase;
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this.newLine = newLine;
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this._executingFilePath = executingFilePath;
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this._env = env;
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}
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private testTerminalWidth = Number.parseInt(this.getEnvironmentVariable("TS_TEST_TERMINAL_WIDTH"));
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getWidthOfTerminal = Number.isNaN(this.testTerminalWidth) ? undefined : () => this.testTerminalWidth;
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// Pretty output
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writeOutputIsTTY() {
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return true;
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}
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public write(message: string) {
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this.output.push(message);
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}
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public readFile(path: string) {
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try {
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const content = this.vfs.readFileSync(path, "utf8");
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return content === undefined ? undefined : Utils.removeByteOrderMark(content);
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}
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catch {
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return undefined;
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}
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}
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public writeFile(path: string, data: string, writeByteOrderMark?: boolean): void {
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this.vfs.mkdirpSync(vpath.dirname(path));
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this.vfs.writeFileSync(path, writeByteOrderMark ? Utils.addUTF8ByteOrderMark(data) : data);
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}
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public deleteFile(path: string) {
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this.vfs.unlinkSync(path);
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}
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public fileExists(path: string) {
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const stats = this._getStats(path);
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return stats ? stats.isFile() : false;
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}
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public directoryExists(path: string) {
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const stats = this._getStats(path);
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return stats ? stats.isDirectory() : false;
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}
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public createDirectory(path: string): void {
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this.vfs.mkdirpSync(path);
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}
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public getCurrentDirectory() {
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return this.vfs.cwd();
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}
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public getDirectories(path: string) {
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const result: string[] = [];
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try {
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for (const file of this.vfs.readdirSync(path)) {
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if (this.vfs.statSync(vpath.combine(path, file)).isDirectory()) {
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result.push(file);
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}
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}
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}
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catch { /*ignore*/ }
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return result;
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}
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public readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
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return ts.matchFiles(path, extensions, exclude, include, this.useCaseSensitiveFileNames, this.getCurrentDirectory(), depth, path => this.getAccessibleFileSystemEntries(path), path => this.realpath(path));
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}
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public getAccessibleFileSystemEntries(path: string): ts.FileSystemEntries {
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const files: string[] = [];
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const directories: string[] = [];
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try {
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for (const file of this.vfs.readdirSync(path)) {
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try {
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const stats = this.vfs.statSync(vpath.combine(path, file));
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if (stats.isFile()) {
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files.push(file);
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}
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else if (stats.isDirectory()) {
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directories.push(file);
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}
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}
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catch { /*ignored*/ }
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}
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}
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catch { /*ignored*/ }
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return { files, directories };
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}
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public exit(exitCode?: number) {
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this.exitCode = exitCode;
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throw processExitSentinel;
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}
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public getFileSize(path: string) {
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const stats = this._getStats(path);
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return stats && stats.isFile() ? stats.size : 0;
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}
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public resolvePath(path: string) {
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return vpath.resolve(this.vfs.cwd(), path);
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}
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public getExecutingFilePath() {
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if (this._executingFilePath === undefined) return ts.notImplemented();
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return this._executingFilePath;
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}
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public getModifiedTime(path: string) {
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const stats = this._getStats(path);
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return stats ? stats.mtime : undefined!; // TODO: GH#18217
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}
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public setModifiedTime(path: string, time: Date) {
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this.vfs.utimesSync(path, time, time);
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}
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public createHash(data: string): string {
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return `${ts.generateDjb2Hash(data)}-${data}`;
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}
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public realpath(path: string) {
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try {
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return this.vfs.realpathSync(path);
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}
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catch {
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return path;
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}
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}
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public getEnvironmentVariable(name: string): string {
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return (this._env && this._env[name])!; // TODO: GH#18217
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}
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private _getStats(path: string) {
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try {
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return this.vfs.existsSync(path) ? this.vfs.statSync(path) : undefined;
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}
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catch {
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return undefined;
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}
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}
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now() {
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return new Date(this.vfs.time());
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}
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}
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/**
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* A fake `ts.ParseConfigHost` that leverages a virtual file system.
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*/
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export class ParseConfigHost implements ts.ParseConfigHost {
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public readonly sys: System;
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constructor(sys: System | vfs.FileSystem) {
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if (sys instanceof vfs.FileSystem) sys = new System(sys);
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this.sys = sys;
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}
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public get vfs() {
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return this.sys.vfs;
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}
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public get useCaseSensitiveFileNames() {
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return this.sys.useCaseSensitiveFileNames;
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}
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public fileExists(fileName: string): boolean {
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return this.sys.fileExists(fileName);
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}
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public directoryExists(directoryName: string): boolean {
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return this.sys.directoryExists(directoryName);
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}
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public readFile(path: string): string | undefined {
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return this.sys.readFile(path);
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}
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public readDirectory(path: string, extensions: string[], excludes: string[], includes: string[], depth: number): string[] {
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return this.sys.readDirectory(path, extensions, excludes, includes, depth);
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}
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}
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/**
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* A fake `ts.CompilerHost` that leverages a virtual file system.
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*/
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export class CompilerHost implements ts.CompilerHost {
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public readonly sys: System;
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public readonly defaultLibLocation: string;
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public readonly outputs: documents.TextDocument[] = [];
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private readonly _outputsMap: collections.SortedMap<string, number>;
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public readonly traces: string[] = [];
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public readonly shouldAssertInvariants = !Harness.lightMode;
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private _setParentNodes: boolean;
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private _sourceFiles: collections.SortedMap<string, ts.SourceFile>;
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private _parseConfigHost: ParseConfigHost | undefined;
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private _newLine: string;
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constructor(sys: System | vfs.FileSystem, options = ts.getDefaultCompilerOptions(), setParentNodes = false) {
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if (sys instanceof vfs.FileSystem) sys = new System(sys);
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this.sys = sys;
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this.defaultLibLocation = sys.vfs.meta.get("defaultLibLocation") || "";
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this._newLine = ts.getNewLineCharacter(options, () => this.sys.newLine);
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this._sourceFiles = new collections.SortedMap<string, ts.SourceFile>({ comparer: sys.vfs.stringComparer, sort: "insertion" });
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this._setParentNodes = setParentNodes;
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this._outputsMap = new collections.SortedMap(this.vfs.stringComparer);
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}
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public get vfs() {
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return this.sys.vfs;
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}
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public get parseConfigHost() {
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return this._parseConfigHost || (this._parseConfigHost = new ParseConfigHost(this.sys));
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}
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public getCurrentDirectory(): string {
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return this.sys.getCurrentDirectory();
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}
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public useCaseSensitiveFileNames(): boolean {
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return this.sys.useCaseSensitiveFileNames;
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}
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public getNewLine(): string {
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return this._newLine;
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}
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public getCanonicalFileName(fileName: string): string {
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return this.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
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}
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public deleteFile(fileName: string) {
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this.sys.deleteFile(fileName);
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}
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public fileExists(fileName: string): boolean {
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return this.sys.fileExists(fileName);
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}
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public directoryExists(directoryName: string): boolean {
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return this.sys.directoryExists(directoryName);
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}
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public getModifiedTime(fileName: string) {
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return this.sys.getModifiedTime(fileName);
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}
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public setModifiedTime(fileName: string, time: Date) {
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return this.sys.setModifiedTime(fileName, time);
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}
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public getDirectories(path: string): string[] {
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return this.sys.getDirectories(path);
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}
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public readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
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return this.sys.readDirectory(path, extensions, exclude, include, depth);
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}
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public readFile(path: string): string | undefined {
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return this.sys.readFile(path);
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}
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public writeFile(fileName: string, content: string, writeByteOrderMark: boolean) {
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if (writeByteOrderMark) content = Utils.addUTF8ByteOrderMark(content);
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this.sys.writeFile(fileName, content);
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const document = new documents.TextDocument(fileName, content);
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document.meta.set("fileName", fileName);
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this.vfs.filemeta(fileName).set("document", document);
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if (!this._outputsMap.has(document.file)) {
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this._outputsMap.set(document.file, this.outputs.length);
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this.outputs.push(document);
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}
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this.outputs[this._outputsMap.get(document.file)!] = document;
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}
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public trace(s: string): void {
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this.traces.push(s);
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}
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public realpath(path: string): string {
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return this.sys.realpath(path);
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}
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public getDefaultLibLocation(): string {
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return vpath.resolve(this.getCurrentDirectory(), this.defaultLibLocation);
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}
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public getDefaultLibFileName(options: ts.CompilerOptions): string {
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return vpath.resolve(this.getDefaultLibLocation(), ts.getDefaultLibFileName(options));
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}
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public getSourceFile(fileName: string, languageVersion: number): ts.SourceFile | undefined {
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const canonicalFileName = this.getCanonicalFileName(vpath.resolve(this.getCurrentDirectory(), fileName));
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const existing = this._sourceFiles.get(canonicalFileName);
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if (existing) return existing;
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const content = this.readFile(canonicalFileName);
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if (content === undefined) return undefined;
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// A virtual file system may shadow another existing virtual file system. This
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// allows us to reuse a common virtual file system structure across multiple
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// tests. If a virtual file is a shadow, it is likely that the file will be
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// reused across multiple tests. In that case, we cache the SourceFile we parse
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// so that it can be reused across multiple tests to avoid the cost of
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// repeatedly parsing the same file over and over (such as lib.d.ts).
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const cacheKey = this.vfs.shadowRoot && `SourceFile[languageVersion=${languageVersion},setParentNodes=${this._setParentNodes}]`;
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if (cacheKey) {
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const meta = this.vfs.filemeta(canonicalFileName);
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const sourceFileFromMetadata = meta.get(cacheKey) as ts.SourceFile | undefined;
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if (sourceFileFromMetadata && sourceFileFromMetadata.getFullText() === content) {
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this._sourceFiles.set(canonicalFileName, sourceFileFromMetadata);
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return sourceFileFromMetadata;
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}
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}
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const parsed = ts.createSourceFile(fileName, content, languageVersion, this._setParentNodes || this.shouldAssertInvariants);
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if (this.shouldAssertInvariants) {
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Utils.assertInvariants(parsed, /*parent*/ undefined);
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}
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this._sourceFiles.set(canonicalFileName, parsed);
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if (cacheKey) {
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// store the cached source file on the unshadowed file with the same version.
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const stats = this.vfs.statSync(canonicalFileName);
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let fs = this.vfs;
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while (fs.shadowRoot) {
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try {
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const shadowRootStats = fs.shadowRoot.existsSync(canonicalFileName) ? fs.shadowRoot.statSync(canonicalFileName) : undefined!; // TODO: GH#18217
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if (shadowRootStats.dev !== stats.dev ||
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shadowRootStats.ino !== stats.ino ||
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shadowRootStats.mtimeMs !== stats.mtimeMs) {
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break;
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}
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fs = fs.shadowRoot;
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}
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catch {
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break;
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}
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}
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if (fs !== this.vfs) {
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fs.filemeta(canonicalFileName).set(cacheKey, parsed);
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}
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}
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return parsed;
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}
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}
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export type ExpectedDiagnosticMessage = [ts.DiagnosticMessage, ...(string | number)[]];
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export interface ExpectedDiagnosticMessageChain {
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message: ExpectedDiagnosticMessage;
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next?: ExpectedDiagnosticMessageChain[];
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}
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export interface ExpectedDiagnosticLocation {
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file: string;
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start: number;
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length: number;
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}
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export interface ExpectedDiagnosticRelatedInformation extends ExpectedDiagnosticMessageChain {
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location?: ExpectedDiagnosticLocation;
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}
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export enum DiagnosticKind {
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Error = "Error",
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Status = "Status"
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}
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export interface ExpectedErrorDiagnostic extends ExpectedDiagnosticRelatedInformation {
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relatedInformation?: ExpectedDiagnosticRelatedInformation[];
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}
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export type ExpectedDiagnostic = ExpectedDiagnosticMessage | ExpectedErrorDiagnostic;
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interface SolutionBuilderDiagnostic {
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kind: DiagnosticKind;
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diagnostic: ts.Diagnostic;
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}
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function indentedText(indent: number, text: string) {
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if (!indent) return text;
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let indentText = "";
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for (let i = 0; i < indent; i++) {
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indentText += " ";
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}
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return `
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${indentText}${text}`;
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}
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||||
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function expectedDiagnosticMessageToText([message, ...args]: ExpectedDiagnosticMessage) {
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let text = ts.getLocaleSpecificMessage(message);
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if (args.length) {
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text = ts.formatStringFromArgs(text, args);
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}
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return text;
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}
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function expectedDiagnosticMessageChainToText({ message, next }: ExpectedDiagnosticMessageChain, indent = 0) {
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let text = indentedText(indent, expectedDiagnosticMessageToText(message));
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if (next) {
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indent++;
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next.forEach(kid => text += expectedDiagnosticMessageChainToText(kid, indent));
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}
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return text;
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}
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||||
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function expectedDiagnosticRelatedInformationToText({ location, ...diagnosticMessage }: ExpectedDiagnosticRelatedInformation) {
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const text = expectedDiagnosticMessageChainToText(diagnosticMessage);
|
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if (location) {
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const { file, start, length } = location;
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return `${file}(${start}:${length}):: ${text}`;
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}
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return text;
|
||||
}
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||||
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function expectedErrorDiagnosticToText({ relatedInformation, ...diagnosticRelatedInformation }: ExpectedErrorDiagnostic) {
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let text = `${DiagnosticKind.Error}!: ${expectedDiagnosticRelatedInformationToText(diagnosticRelatedInformation)}`;
|
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if (relatedInformation) {
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for (const kid of relatedInformation) {
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text += `
|
||||
related:: ${expectedDiagnosticRelatedInformationToText(kid)}`;
|
||||
}
|
||||
}
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return text;
|
||||
}
|
||||
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function expectedDiagnosticToText(errorOrStatus: ExpectedDiagnostic) {
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return ts.isArray(errorOrStatus) ?
|
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`${DiagnosticKind.Status}!: ${expectedDiagnosticMessageToText(errorOrStatus)}` :
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expectedErrorDiagnosticToText(errorOrStatus);
|
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}
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function diagnosticMessageChainToText({ messageText, next}: ts.DiagnosticMessageChain, indent = 0) {
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let text = indentedText(indent, messageText);
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if (next) {
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indent++;
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||||
next.forEach(kid => text += diagnosticMessageChainToText(kid, indent));
|
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}
|
||||
return text;
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||||
}
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||||
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function diagnosticRelatedInformationToText({ file, start, length, messageText }: ts.DiagnosticRelatedInformation) {
|
||||
const text = typeof messageText === "string" ?
|
||||
messageText :
|
||||
diagnosticMessageChainToText(messageText);
|
||||
return file ?
|
||||
`${file.fileName}(${start}:${length}):: ${text}` :
|
||||
text;
|
||||
}
|
||||
|
||||
function diagnosticToText({ kind, diagnostic: { relatedInformation, ...diagnosticRelatedInformation } }: SolutionBuilderDiagnostic) {
|
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let text = `${kind}!: ${diagnosticRelatedInformationToText(diagnosticRelatedInformation)}`;
|
||||
if (relatedInformation) {
|
||||
for (const kid of relatedInformation) {
|
||||
text += `
|
||||
related:: ${diagnosticRelatedInformationToText(kid)}`;
|
||||
}
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
export const version = "FakeTSVersion";
|
||||
|
||||
export function patchHostForBuildInfoReadWrite<T extends ts.System>(sys: T) {
|
||||
const originalReadFile = sys.readFile;
|
||||
sys.readFile = (path, encoding) => {
|
||||
const value = originalReadFile.call(sys, path, encoding);
|
||||
if (!value || !ts.isBuildInfoFile(path)) return value;
|
||||
const buildInfo = ts.getBuildInfo(value);
|
||||
ts.Debug.assert(buildInfo.version === version);
|
||||
buildInfo.version = ts.version;
|
||||
return ts.getBuildInfoText(buildInfo);
|
||||
};
|
||||
const originalWrite = sys.write;
|
||||
sys.write = msg => originalWrite.call(sys, msg.replace(ts.version, version));
|
||||
|
||||
if (sys.writeFile) {
|
||||
const originalWriteFile = sys.writeFile;
|
||||
sys.writeFile = (fileName: string, content: string, writeByteOrderMark: boolean) => {
|
||||
if (!ts.isBuildInfoFile(fileName)) return originalWriteFile.call(sys, fileName, content, writeByteOrderMark);
|
||||
const buildInfo = ts.getBuildInfo(content);
|
||||
buildInfo.version = version;
|
||||
originalWriteFile.call(sys, fileName, ts.getBuildInfoText(buildInfo), writeByteOrderMark);
|
||||
};
|
||||
}
|
||||
return sys;
|
||||
}
|
||||
|
||||
export class SolutionBuilderHost extends CompilerHost implements ts.SolutionBuilderHost<ts.BuilderProgram> {
|
||||
createProgram: ts.CreateProgram<ts.BuilderProgram>;
|
||||
|
||||
private constructor(sys: System | vfs.FileSystem, options?: ts.CompilerOptions, setParentNodes?: boolean, createProgram?: ts.CreateProgram<ts.BuilderProgram>) {
|
||||
super(sys, options, setParentNodes);
|
||||
this.createProgram = createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram;
|
||||
}
|
||||
|
||||
static create(sys: System | vfs.FileSystem, options?: ts.CompilerOptions, setParentNodes?: boolean, createProgram?: ts.CreateProgram<ts.BuilderProgram>) {
|
||||
const host = new SolutionBuilderHost(sys, options, setParentNodes, createProgram);
|
||||
patchHostForBuildInfoReadWrite(host.sys);
|
||||
return host;
|
||||
}
|
||||
|
||||
createHash(data: string) {
|
||||
return `${ts.generateDjb2Hash(data)}-${data}`;
|
||||
}
|
||||
|
||||
diagnostics: SolutionBuilderDiagnostic[] = [];
|
||||
|
||||
reportDiagnostic(diagnostic: ts.Diagnostic) {
|
||||
this.diagnostics.push({ kind: DiagnosticKind.Error, diagnostic });
|
||||
}
|
||||
|
||||
reportSolutionBuilderStatus(diagnostic: ts.Diagnostic) {
|
||||
this.diagnostics.push({ kind: DiagnosticKind.Status, diagnostic });
|
||||
}
|
||||
|
||||
clearDiagnostics() {
|
||||
this.diagnostics.length = 0;
|
||||
}
|
||||
|
||||
assertDiagnosticMessages(...expectedDiagnostics: ExpectedDiagnostic[]) {
|
||||
const actual = this.diagnostics.slice().map(diagnosticToText);
|
||||
const expected = expectedDiagnostics.map(expectedDiagnosticToText);
|
||||
assert.deepEqual(actual, expected, `Diagnostic arrays did not match:
|
||||
Actual: ${JSON.stringify(actual, /*replacer*/ undefined, " ")}
|
||||
Expected: ${JSON.stringify(expected, /*replacer*/ undefined, " ")}`);
|
||||
}
|
||||
|
||||
assertErrors(...expectedDiagnostics: ExpectedErrorDiagnostic[]) {
|
||||
const actual = this.diagnostics.filter(d => d.kind === DiagnosticKind.Error).map(diagnosticToText);
|
||||
const expected = expectedDiagnostics.map(expectedDiagnosticToText);
|
||||
assert.deepEqual(actual, expected, `Diagnostics arrays did not match:
|
||||
Actual: ${JSON.stringify(actual, /*replacer*/ undefined, " ")}
|
||||
Expected: ${JSON.stringify(expected, /*replacer*/ undefined, " ")}
|
||||
Actual All:: ${JSON.stringify(this.diagnostics.slice().map(diagnosticToText), /*replacer*/ undefined, " ")}`);
|
||||
}
|
||||
|
||||
printDiagnostics(header = "== Diagnostics ==") {
|
||||
const out = ts.createDiagnosticReporter(ts.sys);
|
||||
ts.sys.write(header + "\r\n");
|
||||
for (const { diagnostic } of this.diagnostics) {
|
||||
out(diagnostic);
|
||||
}
|
||||
}
|
||||
|
||||
now() {
|
||||
return this.sys.now();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
namespace fakes {
|
||||
export class CompilerHost extends FakeCompilerHost {
|
||||
public readonly shouldAssertInvariants = !Harness.lightMode;
|
||||
public getSourceFile(fileName: string, languageVersion: number): ts.SourceFile | undefined {
|
||||
const canonicalFileName = this.getCanonicalFileName(vpath.resolve(this.getCurrentDirectory(), fileName));
|
||||
const existing = this._sourceFiles.get(canonicalFileName);
|
||||
if (existing) return existing;
|
||||
|
||||
const content = this.readFile(canonicalFileName);
|
||||
if (content === undefined) return undefined;
|
||||
|
||||
// A virtual file system may shadow another existing virtual file system. This
|
||||
// allows us to reuse a common virtual file system structure across multiple
|
||||
// tests. If a virtual file is a shadow, it is likely that the file will be
|
||||
// reused across multiple tests. In that case, we cache the SourceFile we parse
|
||||
// so that it can be reused across multiple tests to avoid the cost of
|
||||
// repeatedly parsing the same file over and over (such as lib.d.ts).
|
||||
const cacheKey = this.vfs.shadowRoot && `SourceFile[languageVersion=${languageVersion},setParentNodes=${this._setParentNodes}]`;
|
||||
if (cacheKey) {
|
||||
const meta = this.vfs.filemeta(canonicalFileName);
|
||||
const sourceFileFromMetadata = meta.get(cacheKey) as ts.SourceFile | undefined;
|
||||
if (sourceFileFromMetadata && sourceFileFromMetadata.getFullText() === content) {
|
||||
this._sourceFiles.set(canonicalFileName, sourceFileFromMetadata);
|
||||
return sourceFileFromMetadata;
|
||||
}
|
||||
}
|
||||
|
||||
const parsed = ts.createSourceFile(fileName, content, languageVersion, this._setParentNodes || this.shouldAssertInvariants);
|
||||
if (this.shouldAssertInvariants) {
|
||||
// TODO: Move this into a subclass
|
||||
Utils.assertInvariants(parsed, /*parent*/ undefined);
|
||||
}
|
||||
|
||||
this._sourceFiles.set(canonicalFileName, parsed);
|
||||
|
||||
if (cacheKey) {
|
||||
// store the cached source file on the unshadowed file with the same version.
|
||||
const stats = this.vfs.statSync(canonicalFileName);
|
||||
|
||||
let fs = this.vfs;
|
||||
while (fs.shadowRoot) {
|
||||
try {
|
||||
const shadowRootStats = fs.shadowRoot.existsSync(canonicalFileName) ? fs.shadowRoot.statSync(canonicalFileName) : undefined!; // TODO: GH#18217
|
||||
if (shadowRootStats.dev !== stats.dev ||
|
||||
shadowRootStats.ino !== stats.ino ||
|
||||
shadowRootStats.mtimeMs !== stats.mtimeMs) {
|
||||
break;
|
||||
}
|
||||
|
||||
fs = fs.shadowRoot;
|
||||
}
|
||||
catch {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (fs !== this.vfs) {
|
||||
fs.filemeta(canonicalFileName).set(cacheKey, parsed);
|
||||
}
|
||||
}
|
||||
|
||||
return parsed;
|
||||
}
|
||||
|
||||
}
|
||||
function indentedText(indent: number, text: string) {
|
||||
if (!indent) return text;
|
||||
let indentText = "";
|
||||
for (let i = 0; i < indent; i++) {
|
||||
indentText += " ";
|
||||
}
|
||||
return `
|
||||
${indentText}${text}`;
|
||||
}
|
||||
|
||||
function expectedDiagnosticMessageToText([message, ...args]: ExpectedDiagnosticMessage) {
|
||||
let text = ts.getLocaleSpecificMessage(message);
|
||||
if (args.length) {
|
||||
text = ts.formatStringFromArgs(text, args);
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function expectedDiagnosticMessageChainToText({ message, next }: ExpectedDiagnosticMessageChain, indent = 0) {
|
||||
let text = indentedText(indent, expectedDiagnosticMessageToText(message));
|
||||
if (next) {
|
||||
indent++;
|
||||
next.forEach(kid => text += expectedDiagnosticMessageChainToText(kid, indent));
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function diagnosticMessageChainToText({ messageText, next}: ts.DiagnosticMessageChain, indent = 0) {
|
||||
let text = indentedText(indent, messageText);
|
||||
if (next) {
|
||||
indent++;
|
||||
next.forEach(kid => text += diagnosticMessageChainToText(kid, indent));
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function diagnosticRelatedInformationToText({ file, start, length, messageText }: ts.DiagnosticRelatedInformation) {
|
||||
const text = typeof messageText === "string" ?
|
||||
messageText :
|
||||
diagnosticMessageChainToText(messageText);
|
||||
return file ?
|
||||
`${file.fileName}(${start}:${length}):: ${text}` :
|
||||
text;
|
||||
}
|
||||
|
||||
function diagnosticToText({ kind, diagnostic: { relatedInformation, ...diagnosticRelatedInformation } }: SolutionBuilderDiagnostic) {
|
||||
let text = `${kind}!: ${diagnosticRelatedInformationToText(diagnosticRelatedInformation)}`;
|
||||
if (relatedInformation) {
|
||||
for (const kid of relatedInformation) {
|
||||
text += `
|
||||
related:: ${diagnosticRelatedInformationToText(kid)}`;
|
||||
}
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function expectedDiagnosticRelatedInformationToText({ location, ...diagnosticMessage }: ExpectedDiagnosticRelatedInformation) {
|
||||
const text = expectedDiagnosticMessageChainToText(diagnosticMessage);
|
||||
if (location) {
|
||||
const { file, start, length } = location;
|
||||
return `${file}(${start}:${length}):: ${text}`;
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function expectedErrorDiagnosticToText({ relatedInformation, ...diagnosticRelatedInformation }: ExpectedErrorDiagnostic) {
|
||||
let text = `${DiagnosticKind.Error}!: ${expectedDiagnosticRelatedInformationToText(diagnosticRelatedInformation)}`;
|
||||
if (relatedInformation) {
|
||||
for (const kid of relatedInformation) {
|
||||
text += `
|
||||
related:: ${expectedDiagnosticRelatedInformationToText(kid)}`;
|
||||
}
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
function expectedDiagnosticToText(errorOrStatus: ExpectedDiagnostic) {
|
||||
return ts.isArray(errorOrStatus) ?
|
||||
`${DiagnosticKind.Status}!: ${expectedDiagnosticMessageToText(errorOrStatus)}` :
|
||||
expectedErrorDiagnosticToText(errorOrStatus);
|
||||
}
|
||||
|
||||
export class SolutionBuilderHost extends FakeSolutionBuilderHost implements ts.SolutionBuilderHost<ts.BuilderProgram> {
|
||||
static create(sys: System | vfs.FileSystem, options?: ts.CompilerOptions, setParentNodes?: boolean, createProgram?: ts.CreateProgram<ts.BuilderProgram>) {
|
||||
const host = new SolutionBuilderHost(sys, options, setParentNodes, createProgram);
|
||||
patchHostForBuildInfoReadWrite(host.sys);
|
||||
return host;
|
||||
}
|
||||
|
||||
assertDiagnosticMessages(...expectedDiagnostics: ExpectedDiagnostic[]) {
|
||||
const actual = this.diagnostics.slice().map(diagnosticToText);
|
||||
const expected = expectedDiagnostics.map(expectedDiagnosticToText);
|
||||
assert.deepEqual(actual, expected, `Diagnostic arrays did not match:
|
||||
Actual: ${JSON.stringify(actual, /*replacer*/ undefined, " ")}
|
||||
Expected: ${JSON.stringify(expected, /*replacer*/ undefined, " ")}`);
|
||||
}
|
||||
|
||||
assertErrors(...expectedDiagnostics: ExpectedErrorDiagnostic[]) {
|
||||
const actual = this.diagnostics.filter(d => d.kind === DiagnosticKind.Error).map(diagnosticToText);
|
||||
const expected = expectedDiagnostics.map(expectedDiagnosticToText);
|
||||
assert.deepEqual(actual, expected, `Diagnostics arrays did not match:
|
||||
Actual: ${JSON.stringify(actual, /*replacer*/ undefined, " ")}
|
||||
Expected: ${JSON.stringify(expected, /*replacer*/ undefined, " ")}
|
||||
Actual All:: ${JSON.stringify(this.diagnostics.slice().map(diagnosticToText), /*replacer*/ undefined, " ")}`);
|
||||
}
|
||||
|
||||
printDiagnostics(header = "== Diagnostics ==") {
|
||||
const out = ts.createDiagnosticReporter(ts.sys);
|
||||
ts.sys.write(header + "\r\n");
|
||||
for (const { diagnostic } of this.diagnostics) {
|
||||
out(diagnostic);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
+1
-21
@@ -78,26 +78,6 @@ namespace Utils {
|
||||
return indentation;
|
||||
}
|
||||
|
||||
export function getByteOrderMarkLength(text: string): number {
|
||||
if (text.length >= 1) {
|
||||
const ch0 = text.charCodeAt(0);
|
||||
if (ch0 === 0xfeff) return 1;
|
||||
if (ch0 === 0xfe) return text.length >= 2 && text.charCodeAt(1) === 0xff ? 2 : 0;
|
||||
if (ch0 === 0xff) return text.length >= 2 && text.charCodeAt(1) === 0xfe ? 2 : 0;
|
||||
if (ch0 === 0xef) return text.length >= 3 && text.charCodeAt(1) === 0xbb && text.charCodeAt(2) === 0xbf ? 3 : 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
export function removeByteOrderMark(text: string): string {
|
||||
const length = getByteOrderMarkLength(text);
|
||||
return length ? text.slice(length) : text;
|
||||
}
|
||||
|
||||
export function addUTF8ByteOrderMark(text: string) {
|
||||
return getByteOrderMarkLength(text) === 0 ? "\u00EF\u00BB\u00BF" + text : text;
|
||||
}
|
||||
|
||||
export function theory<T extends any[]>(name: string, cb: (...args: T) => void, data: T[]) {
|
||||
for (const entry of data) {
|
||||
it(`${name}(${entry.map(formatTheoryDatum).join(", ")})`, () => cb(...entry));
|
||||
@@ -109,4 +89,4 @@ namespace Utils {
|
||||
value === undefined ? "undefined" :
|
||||
JSON.stringify(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,478 @@
|
||||
/**
|
||||
* Fake implementations of various compiler dependencies.
|
||||
*/
|
||||
namespace fakes {
|
||||
const processExitSentinel = new Error("System exit");
|
||||
|
||||
export interface SystemOptions {
|
||||
executingFilePath?: string;
|
||||
newLine?: "\r\n" | "\n";
|
||||
env?: Record<string, string>;
|
||||
}
|
||||
|
||||
/**
|
||||
* A fake `ts.System` that leverages a virtual file system.
|
||||
*/
|
||||
export class System implements ts.System {
|
||||
public readonly vfs: vfs.FileSystem;
|
||||
public readonly args: string[] = [];
|
||||
public readonly output: string[] = [];
|
||||
public readonly newLine: string;
|
||||
public readonly useCaseSensitiveFileNames: boolean;
|
||||
public exitCode: number | undefined;
|
||||
|
||||
private readonly _executingFilePath: string | undefined;
|
||||
private readonly _env: Record<string, string> | undefined;
|
||||
|
||||
constructor(vfs: vfs.FileSystem, { executingFilePath, newLine = "\r\n", env }: SystemOptions = {}) {
|
||||
this.vfs = vfs.isReadonly ? vfs.shadow() : vfs;
|
||||
this.useCaseSensitiveFileNames = !this.vfs.ignoreCase;
|
||||
this.newLine = newLine;
|
||||
this._executingFilePath = executingFilePath;
|
||||
this._env = env;
|
||||
}
|
||||
|
||||
private testTerminalWidth = Number.parseInt(this.getEnvironmentVariable("TS_TEST_TERMINAL_WIDTH"));
|
||||
getWidthOfTerminal = Number.isNaN(this.testTerminalWidth) ? undefined : () => this.testTerminalWidth;
|
||||
|
||||
// Pretty output
|
||||
writeOutputIsTTY() {
|
||||
return true;
|
||||
}
|
||||
|
||||
public write(message: string) {
|
||||
this.output.push(message);
|
||||
}
|
||||
|
||||
public readFile(path: string) {
|
||||
try {
|
||||
const content = this.vfs.readFileSync(path, "utf8");
|
||||
return content === undefined ? undefined : Utils.removeByteOrderMark(content);
|
||||
}
|
||||
catch {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
public writeFile(path: string, data: string, writeByteOrderMark?: boolean): void {
|
||||
this.vfs.mkdirpSync(vpath.dirname(path));
|
||||
this.vfs.writeFileSync(path, writeByteOrderMark ? Utils.addUTF8ByteOrderMark(data) : data);
|
||||
}
|
||||
|
||||
public deleteFile(path: string) {
|
||||
this.vfs.unlinkSync(path);
|
||||
}
|
||||
|
||||
public fileExists(path: string) {
|
||||
const stats = this._getStats(path);
|
||||
return stats ? stats.isFile() : false;
|
||||
}
|
||||
|
||||
public directoryExists(path: string) {
|
||||
const stats = this._getStats(path);
|
||||
return stats ? stats.isDirectory() : false;
|
||||
}
|
||||
|
||||
public createDirectory(path: string): void {
|
||||
this.vfs.mkdirpSync(path);
|
||||
}
|
||||
|
||||
public getCurrentDirectory() {
|
||||
return this.vfs.cwd();
|
||||
}
|
||||
|
||||
public getDirectories(path: string) {
|
||||
const result: string[] = [];
|
||||
try {
|
||||
for (const file of this.vfs.readdirSync(path)) {
|
||||
if (this.vfs.statSync(vpath.combine(path, file)).isDirectory()) {
|
||||
result.push(file);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch { /*ignore*/ }
|
||||
return result;
|
||||
}
|
||||
|
||||
public readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
|
||||
return ts.matchFiles(path, extensions, exclude, include, this.useCaseSensitiveFileNames, this.getCurrentDirectory(), depth, path => this.getAccessibleFileSystemEntries(path), path => this.realpath(path));
|
||||
}
|
||||
|
||||
public getAccessibleFileSystemEntries(path: string): ts.FileSystemEntries {
|
||||
const files: string[] = [];
|
||||
const directories: string[] = [];
|
||||
try {
|
||||
for (const file of this.vfs.readdirSync(path)) {
|
||||
try {
|
||||
const stats = this.vfs.statSync(vpath.combine(path, file));
|
||||
if (stats.isFile()) {
|
||||
files.push(file);
|
||||
}
|
||||
else if (stats.isDirectory()) {
|
||||
directories.push(file);
|
||||
}
|
||||
}
|
||||
catch { /*ignored*/ }
|
||||
}
|
||||
}
|
||||
catch { /*ignored*/ }
|
||||
return { files, directories };
|
||||
}
|
||||
|
||||
public exit(exitCode?: number) {
|
||||
this.exitCode = exitCode;
|
||||
throw processExitSentinel;
|
||||
}
|
||||
|
||||
public getFileSize(path: string) {
|
||||
const stats = this._getStats(path);
|
||||
return stats && stats.isFile() ? stats.size : 0;
|
||||
}
|
||||
|
||||
public resolvePath(path: string) {
|
||||
return vpath.resolve(this.vfs.cwd(), path);
|
||||
}
|
||||
|
||||
public getExecutingFilePath() {
|
||||
if (this._executingFilePath === undefined) return ts.notImplemented();
|
||||
return this._executingFilePath;
|
||||
}
|
||||
|
||||
public getModifiedTime(path: string) {
|
||||
const stats = this._getStats(path);
|
||||
return stats ? stats.mtime : undefined!; // TODO: GH#18217
|
||||
}
|
||||
|
||||
public setModifiedTime(path: string, time: Date) {
|
||||
this.vfs.utimesSync(path, time, time);
|
||||
}
|
||||
|
||||
public createHash(data: string): string {
|
||||
return `${ts.generateDjb2Hash(data)}-${data}`;
|
||||
}
|
||||
|
||||
public realpath(path: string) {
|
||||
try {
|
||||
return this.vfs.realpathSync(path);
|
||||
}
|
||||
catch {
|
||||
return path;
|
||||
}
|
||||
}
|
||||
|
||||
public getEnvironmentVariable(name: string): string {
|
||||
return (this._env && this._env[name])!; // TODO: GH#18217
|
||||
}
|
||||
|
||||
private _getStats(path: string) {
|
||||
try {
|
||||
return this.vfs.existsSync(path) ? this.vfs.statSync(path) : undefined;
|
||||
}
|
||||
catch {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
now() {
|
||||
return new Date(this.vfs.time());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A fake `ts.ParseConfigHost` that leverages a virtual file system.
|
||||
*/
|
||||
export class ParseConfigHost implements ts.ParseConfigHost {
|
||||
public readonly sys: System;
|
||||
|
||||
constructor(sys: System | vfs.FileSystem) {
|
||||
if (sys instanceof vfs.FileSystem) sys = new System(sys);
|
||||
this.sys = sys;
|
||||
}
|
||||
|
||||
public get vfs() {
|
||||
return this.sys.vfs;
|
||||
}
|
||||
|
||||
public get useCaseSensitiveFileNames() {
|
||||
return this.sys.useCaseSensitiveFileNames;
|
||||
}
|
||||
|
||||
public fileExists(fileName: string): boolean {
|
||||
return this.sys.fileExists(fileName);
|
||||
}
|
||||
|
||||
public directoryExists(directoryName: string): boolean {
|
||||
return this.sys.directoryExists(directoryName);
|
||||
}
|
||||
|
||||
public readFile(path: string): string | undefined {
|
||||
return this.sys.readFile(path);
|
||||
}
|
||||
|
||||
public readDirectory(path: string, extensions: string[], excludes: string[], includes: string[], depth: number): string[] {
|
||||
return this.sys.readDirectory(path, extensions, excludes, includes, depth);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* A fake `ts.CompilerHost` that leverages a virtual file system.
|
||||
*/
|
||||
export class FakeCompilerHost implements ts.CompilerHost {
|
||||
public readonly sys: System;
|
||||
public readonly defaultLibLocation: string;
|
||||
public readonly outputs: documents.TextDocument[] = [];
|
||||
private readonly _outputsMap: collections.SortedMap<string, number>;
|
||||
public readonly traces: string[] = [];
|
||||
|
||||
protected _setParentNodes: boolean;
|
||||
protected _sourceFiles: collections.SortedMap<string, ts.SourceFile>;
|
||||
private _parseConfigHost: ParseConfigHost | undefined;
|
||||
private _newLine: string;
|
||||
|
||||
constructor(sys: System | vfs.FileSystem, options = ts.getDefaultCompilerOptions(), setParentNodes = false) {
|
||||
if (sys instanceof vfs.FileSystem) sys = new System(sys);
|
||||
this.sys = sys;
|
||||
this.defaultLibLocation = sys.vfs.meta.get("defaultLibLocation") || "";
|
||||
this._newLine = ts.getNewLineCharacter(options, () => this.sys.newLine);
|
||||
this._sourceFiles = new collections.SortedMap<string, ts.SourceFile>({ comparer: sys.vfs.stringComparer, sort: "insertion" });
|
||||
this._setParentNodes = setParentNodes;
|
||||
this._outputsMap = new collections.SortedMap(this.vfs.stringComparer);
|
||||
}
|
||||
|
||||
public get vfs() {
|
||||
return this.sys.vfs;
|
||||
}
|
||||
|
||||
public get parseConfigHost() {
|
||||
return this._parseConfigHost || (this._parseConfigHost = new ParseConfigHost(this.sys));
|
||||
}
|
||||
|
||||
public getCurrentDirectory(): string {
|
||||
return this.sys.getCurrentDirectory();
|
||||
}
|
||||
|
||||
public useCaseSensitiveFileNames(): boolean {
|
||||
return this.sys.useCaseSensitiveFileNames;
|
||||
}
|
||||
|
||||
public getNewLine(): string {
|
||||
return this._newLine;
|
||||
}
|
||||
|
||||
public getCanonicalFileName(fileName: string): string {
|
||||
return this.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
|
||||
}
|
||||
|
||||
public deleteFile(fileName: string) {
|
||||
this.sys.deleteFile(fileName);
|
||||
}
|
||||
|
||||
public fileExists(fileName: string): boolean {
|
||||
return this.sys.fileExists(fileName);
|
||||
}
|
||||
|
||||
public directoryExists(directoryName: string): boolean {
|
||||
return this.sys.directoryExists(directoryName);
|
||||
}
|
||||
|
||||
public getModifiedTime(fileName: string) {
|
||||
return this.sys.getModifiedTime(fileName);
|
||||
}
|
||||
|
||||
public setModifiedTime(fileName: string, time: Date) {
|
||||
return this.sys.setModifiedTime(fileName, time);
|
||||
}
|
||||
|
||||
public getDirectories(path: string): string[] {
|
||||
return this.sys.getDirectories(path);
|
||||
}
|
||||
|
||||
public readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
|
||||
return this.sys.readDirectory(path, extensions, exclude, include, depth);
|
||||
}
|
||||
|
||||
public readFile(path: string): string | undefined {
|
||||
return this.sys.readFile(path);
|
||||
}
|
||||
|
||||
public writeFile(fileName: string, content: string, writeByteOrderMark: boolean) {
|
||||
if (writeByteOrderMark) content = Utils.addUTF8ByteOrderMark(content);
|
||||
this.sys.writeFile(fileName, content);
|
||||
|
||||
const document = new documents.TextDocument(fileName, content);
|
||||
document.meta.set("fileName", fileName);
|
||||
this.vfs.filemeta(fileName).set("document", document);
|
||||
if (!this._outputsMap.has(document.file)) {
|
||||
this._outputsMap.set(document.file, this.outputs.length);
|
||||
this.outputs.push(document);
|
||||
}
|
||||
this.outputs[this._outputsMap.get(document.file)!] = document;
|
||||
}
|
||||
|
||||
public trace(s: string): void {
|
||||
this.traces.push(s);
|
||||
}
|
||||
|
||||
public realpath(path: string): string {
|
||||
return this.sys.realpath(path);
|
||||
}
|
||||
|
||||
public getDefaultLibLocation(): string {
|
||||
return vpath.resolve(this.getCurrentDirectory(), this.defaultLibLocation);
|
||||
}
|
||||
|
||||
public getDefaultLibFileName(options: ts.CompilerOptions): string {
|
||||
return vpath.resolve(this.getDefaultLibLocation(), ts.getDefaultLibFileName(options));
|
||||
}
|
||||
|
||||
public getSourceFile(fileName: string, languageVersion: number): ts.SourceFile | undefined {
|
||||
const canonicalFileName = this.getCanonicalFileName(vpath.resolve(this.getCurrentDirectory(), fileName));
|
||||
const existing = this._sourceFiles.get(canonicalFileName);
|
||||
if (existing) return existing;
|
||||
|
||||
const content = this.readFile(canonicalFileName);
|
||||
if (content === undefined) return undefined;
|
||||
|
||||
// A virtual file system may shadow another existing virtual file system. This
|
||||
// allows us to reuse a common virtual file system structure across multiple
|
||||
// tests. If a virtual file is a shadow, it is likely that the file will be
|
||||
// reused across multiple tests. In that case, we cache the SourceFile we parse
|
||||
// so that it can be reused across multiple tests to avoid the cost of
|
||||
// repeatedly parsing the same file over and over (such as lib.d.ts).
|
||||
const cacheKey = this.vfs.shadowRoot && `SourceFile[languageVersion=${languageVersion},setParentNodes=${this._setParentNodes}]`;
|
||||
if (cacheKey) {
|
||||
const meta = this.vfs.filemeta(canonicalFileName);
|
||||
const sourceFileFromMetadata = meta.get(cacheKey) as ts.SourceFile | undefined;
|
||||
if (sourceFileFromMetadata && sourceFileFromMetadata.getFullText() === content) {
|
||||
this._sourceFiles.set(canonicalFileName, sourceFileFromMetadata);
|
||||
return sourceFileFromMetadata;
|
||||
}
|
||||
}
|
||||
|
||||
const parsed = ts.createSourceFile(fileName, content, languageVersion, this._setParentNodes);
|
||||
this._sourceFiles.set(canonicalFileName, parsed);
|
||||
|
||||
if (cacheKey) {
|
||||
// store the cached source file on the unshadowed file with the same version.
|
||||
const stats = this.vfs.statSync(canonicalFileName);
|
||||
|
||||
let fs = this.vfs;
|
||||
while (fs.shadowRoot) {
|
||||
try {
|
||||
const shadowRootStats = fs.shadowRoot.existsSync(canonicalFileName) ? fs.shadowRoot.statSync(canonicalFileName) : undefined!; // TODO: GH#18217
|
||||
if (shadowRootStats.dev !== stats.dev ||
|
||||
shadowRootStats.ino !== stats.ino ||
|
||||
shadowRootStats.mtimeMs !== stats.mtimeMs) {
|
||||
break;
|
||||
}
|
||||
|
||||
fs = fs.shadowRoot;
|
||||
}
|
||||
catch {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (fs !== this.vfs) {
|
||||
fs.filemeta(canonicalFileName).set(cacheKey, parsed);
|
||||
}
|
||||
}
|
||||
|
||||
return parsed;
|
||||
}
|
||||
}
|
||||
|
||||
export type ExpectedDiagnosticMessage = [ts.DiagnosticMessage, ...(string | number)[]];
|
||||
export interface ExpectedDiagnosticMessageChain {
|
||||
message: ExpectedDiagnosticMessage;
|
||||
next?: ExpectedDiagnosticMessageChain[];
|
||||
}
|
||||
|
||||
export interface ExpectedDiagnosticLocation {
|
||||
file: string;
|
||||
start: number;
|
||||
length: number;
|
||||
}
|
||||
export interface ExpectedDiagnosticRelatedInformation extends ExpectedDiagnosticMessageChain {
|
||||
location?: ExpectedDiagnosticLocation;
|
||||
}
|
||||
|
||||
export enum DiagnosticKind {
|
||||
Error = "Error",
|
||||
Status = "Status"
|
||||
}
|
||||
export interface ExpectedErrorDiagnostic extends ExpectedDiagnosticRelatedInformation {
|
||||
relatedInformation?: ExpectedDiagnosticRelatedInformation[];
|
||||
}
|
||||
|
||||
export type ExpectedDiagnostic = ExpectedDiagnosticMessage | ExpectedErrorDiagnostic;
|
||||
|
||||
export interface SolutionBuilderDiagnostic {
|
||||
kind: DiagnosticKind;
|
||||
diagnostic: ts.Diagnostic;
|
||||
}
|
||||
|
||||
export const version = "FakeTSVersion";
|
||||
|
||||
export function patchHostForBuildInfoReadWrite<T extends ts.System>(sys: T) {
|
||||
const originalReadFile = sys.readFile;
|
||||
sys.readFile = (path, encoding) => {
|
||||
const value = originalReadFile.call(sys, path, encoding);
|
||||
if (!value || !ts.isBuildInfoFile(path)) return value;
|
||||
const buildInfo = ts.getBuildInfo(value);
|
||||
ts.Debug.assert(buildInfo.version === version);
|
||||
buildInfo.version = ts.version;
|
||||
return ts.getBuildInfoText(buildInfo);
|
||||
};
|
||||
const originalWrite = sys.write;
|
||||
sys.write = msg => originalWrite.call(sys, msg.replace(ts.version, version));
|
||||
|
||||
if (sys.writeFile) {
|
||||
const originalWriteFile = sys.writeFile;
|
||||
sys.writeFile = (fileName: string, content: string, writeByteOrderMark: boolean) => {
|
||||
if (!ts.isBuildInfoFile(fileName)) return originalWriteFile.call(sys, fileName, content, writeByteOrderMark);
|
||||
const buildInfo = ts.getBuildInfo(content);
|
||||
buildInfo.version = version;
|
||||
originalWriteFile.call(sys, fileName, ts.getBuildInfoText(buildInfo), writeByteOrderMark);
|
||||
};
|
||||
}
|
||||
return sys;
|
||||
}
|
||||
|
||||
export class FakeSolutionBuilderHost extends FakeCompilerHost implements ts.SolutionBuilderHost<ts.BuilderProgram> {
|
||||
createProgram: ts.CreateProgram<ts.BuilderProgram>;
|
||||
|
||||
constructor(sys: System | vfs.FileSystem, options?: ts.CompilerOptions, setParentNodes?: boolean, createProgram?: ts.CreateProgram<ts.BuilderProgram>) {
|
||||
super(sys, options, setParentNodes);
|
||||
this.createProgram = createProgram || ts.createEmitAndSemanticDiagnosticsBuilderProgram;
|
||||
}
|
||||
|
||||
static create(sys: System | vfs.FileSystem, options?: ts.CompilerOptions, setParentNodes?: boolean, createProgram?: ts.CreateProgram<ts.BuilderProgram>) {
|
||||
const host = new FakeSolutionBuilderHost(sys, options, setParentNodes, createProgram);
|
||||
patchHostForBuildInfoReadWrite(host.sys);
|
||||
return host;
|
||||
}
|
||||
|
||||
createHash(data: string) {
|
||||
return `${ts.generateDjb2Hash(data)}-${data}`;
|
||||
}
|
||||
|
||||
diagnostics: SolutionBuilderDiagnostic[] = [];
|
||||
|
||||
reportDiagnostic(diagnostic: ts.Diagnostic) {
|
||||
this.diagnostics.push({ kind: DiagnosticKind.Error, diagnostic });
|
||||
}
|
||||
|
||||
reportSolutionBuilderStatus(diagnostic: ts.Diagnostic) {
|
||||
this.diagnostics.push({ kind: DiagnosticKind.Status, diagnostic });
|
||||
}
|
||||
|
||||
clearDiagnostics() {
|
||||
this.diagnostics.length = 0;
|
||||
}
|
||||
|
||||
now() {
|
||||
return this.sys.now();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -20,6 +20,8 @@
|
||||
"collectionsImpl.ts",
|
||||
"documentsUtil.ts",
|
||||
"vpathUtil.ts",
|
||||
"vfsUtil.ts"
|
||||
"vfsUtil.ts",
|
||||
"util.ts",
|
||||
"fakesHosts.ts"
|
||||
]
|
||||
}
|
||||
|
||||
@@ -0,0 +1,24 @@
|
||||
/**
|
||||
* Common utilities
|
||||
*/
|
||||
namespace Utils {
|
||||
export function getByteOrderMarkLength(text: string): number {
|
||||
if (text.length >= 1) {
|
||||
const ch0 = text.charCodeAt(0);
|
||||
if (ch0 === 0xfeff) return 1;
|
||||
if (ch0 === 0xfe) return text.length >= 2 && text.charCodeAt(1) === 0xff ? 2 : 0;
|
||||
if (ch0 === 0xff) return text.length >= 2 && text.charCodeAt(1) === 0xfe ? 2 : 0;
|
||||
if (ch0 === 0xef) return text.length >= 3 && text.charCodeAt(1) === 0xbb && text.charCodeAt(2) === 0xbf ? 3 : 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
export function removeByteOrderMark(text: string): string {
|
||||
const length = getByteOrderMarkLength(text);
|
||||
return length ? text.slice(length) : text;
|
||||
}
|
||||
|
||||
export function addUTF8ByteOrderMark(text: string) {
|
||||
return getByteOrderMarkLength(text) === 0 ? "\u00EF\u00BB\u00BF" + text : text;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user