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refactor: merge TS compiler into single file (#5091)

This commit is contained in:
Bartek Iwańczuk 2020-05-06 00:19:18 +02:00 committed by GitHub
parent 9cd7d59840
commit 2ecdbb62ae
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21 changed files with 1320 additions and 1394 deletions

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { CompilerHostTarget, Host } from "./host.ts";
import { ASSETS } from "./sourcefile.ts";
import { getAsset } from "./util.ts";
// NOTE: target doesn't really matter here,
// this is in fact a mock host created just to
// load all type definitions and snapshot them.
const host = new Host({
target: CompilerHostTarget.Main,
writeFile(): void {},
});
const options = host.getCompilationSettings();
// This is a hacky way of adding our libs to the libs available in TypeScript()
// as these are internal APIs of TypeScript which maintain valid libs
ts.libs.push("deno.ns", "deno.window", "deno.worker", "deno.shared_globals");
ts.libMap.set("deno.ns", "lib.deno.ns.d.ts");
ts.libMap.set("deno.window", "lib.deno.window.d.ts");
ts.libMap.set("deno.worker", "lib.deno.worker.d.ts");
ts.libMap.set("deno.shared_globals", "lib.deno.shared_globals.d.ts");
ts.libMap.set("deno.unstable", "lib.deno.unstable.d.ts");
// this pre-populates the cache at snapshot time of our library files, so they
// are available in the future when needed.
host.getSourceFile(`${ASSETS}/lib.deno.ns.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(`${ASSETS}/lib.deno.window.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(`${ASSETS}/lib.deno.worker.d.ts`, ts.ScriptTarget.ESNext);
host.getSourceFile(
`${ASSETS}/lib.deno.shared_globals.d.ts`,
ts.ScriptTarget.ESNext
);
host.getSourceFile(`${ASSETS}/lib.deno.unstable.d.ts`, ts.ScriptTarget.ESNext);
export const TS_SNAPSHOT_PROGRAM = ts.createProgram({
rootNames: [`${ASSETS}/bootstrap.ts`],
options,
host,
});
export const SYSTEM_LOADER = getAsset("system_loader.js");

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { SYSTEM_LOADER } from "./bootstrap.ts";
import { commonPath, normalizeString } from "./util.ts";
import { assert } from "../util.ts";
let rootExports: string[] | undefined;
function normalizeUrl(rootName: string): string {
const match = /^(\S+:\/{2,3})(.+)$/.exec(rootName);
if (match) {
const [, protocol, path] = match;
return `${protocol}${normalizeString(path)}`;
} else {
return rootName;
}
}
export function buildBundle(
rootName: string,
data: string,
sourceFiles: readonly ts.SourceFile[]
): string {
// when outputting to AMD and a single outfile, TypeScript makes up the module
// specifiers which are used to define the modules, and doesn't expose them
// publicly, so we have to try to replicate
const sources = sourceFiles.map((sf) => sf.fileName);
const sharedPath = commonPath(sources);
rootName = normalizeUrl(rootName)
.replace(sharedPath, "")
.replace(/\.\w+$/i, "");
// If one of the modules requires support for top-level-await, TypeScript will
// emit the execute function as an async function. When this is the case we
// need to bubble up the TLA to the instantiation, otherwise we instantiate
// synchronously.
const hasTla = data.match(/execute:\sasync\sfunction\s/);
let instantiate: string;
if (rootExports && rootExports.length) {
instantiate = hasTla
? `const __exp = await __instantiateAsync("${rootName}");\n`
: `const __exp = __instantiate("${rootName}");\n`;
for (const rootExport of rootExports) {
if (rootExport === "default") {
instantiate += `export default __exp["${rootExport}"];\n`;
} else {
instantiate += `export const ${rootExport} = __exp["${rootExport}"];\n`;
}
}
} else {
instantiate = hasTla
? `await __instantiateAsync("${rootName}");\n`
: `__instantiate("${rootName}");\n`;
}
return `${SYSTEM_LOADER}\n${data}\n${instantiate}`;
}
export function setRootExports(program: ts.Program, rootModule: string): void {
// get a reference to the type checker, this will let us find symbols from
// the AST.
const checker = program.getTypeChecker();
// get a reference to the main source file for the bundle
const mainSourceFile = program.getSourceFile(rootModule);
assert(mainSourceFile);
// retrieve the internal TypeScript symbol for this AST node
const mainSymbol = checker.getSymbolAtLocation(mainSourceFile);
if (!mainSymbol) {
return;
}
rootExports = checker
.getExportsOfModule(mainSymbol)
// .getExportsOfModule includes type only symbols which are exported from
// the module, so we need to try to filter those out. While not critical
// someone looking at the bundle would think there is runtime code behind
// that when there isn't. There appears to be no clean way of figuring that
// out, so inspecting SymbolFlags that might be present that are type only
.filter(
(sym) =>
sym.flags & ts.SymbolFlags.Class ||
!(
sym.flags & ts.SymbolFlags.Interface ||
sym.flags & ts.SymbolFlags.TypeLiteral ||
sym.flags & ts.SymbolFlags.Signature ||
sym.flags & ts.SymbolFlags.TypeParameter ||
sym.flags & ts.SymbolFlags.TypeAlias ||
sym.flags & ts.SymbolFlags.Type ||
sym.flags & ts.SymbolFlags.Namespace ||
sym.flags & ts.SymbolFlags.InterfaceExcludes ||
sym.flags & ts.SymbolFlags.TypeParameterExcludes ||
sym.flags & ts.SymbolFlags.TypeAliasExcludes
)
)
.map((sym) => sym.getName());
}

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { ASSETS, MediaType, SourceFile } from "./sourcefile.ts";
import { OUT_DIR, WriteFileCallback, getAsset } from "./util.ts";
import { assert, notImplemented } from "../util.ts";
import * as util from "../util.ts";
export enum CompilerHostTarget {
Main = "main",
Runtime = "runtime",
Worker = "worker",
}
export interface CompilerHostOptions {
bundle?: boolean;
target: CompilerHostTarget;
unstable?: boolean;
writeFile: WriteFileCallback;
}
export interface ConfigureResponse {
ignoredOptions?: string[];
diagnostics?: ts.Diagnostic[];
}
export const defaultBundlerOptions: ts.CompilerOptions = {
allowJs: true,
inlineSourceMap: false,
module: ts.ModuleKind.System,
outDir: undefined,
outFile: `${OUT_DIR}/bundle.js`,
// disabled until we have effective way to modify source maps
sourceMap: false,
};
export const defaultCompileOptions: ts.CompilerOptions = {
allowJs: false,
allowNonTsExtensions: true,
checkJs: false,
esModuleInterop: true,
jsx: ts.JsxEmit.React,
module: ts.ModuleKind.ESNext,
outDir: OUT_DIR,
resolveJsonModule: true,
sourceMap: true,
strict: true,
stripComments: true,
target: ts.ScriptTarget.ESNext,
};
export const defaultRuntimeCompileOptions: ts.CompilerOptions = {
outDir: undefined,
};
export const defaultTranspileOptions: ts.CompilerOptions = {
esModuleInterop: true,
module: ts.ModuleKind.ESNext,
sourceMap: true,
scriptComments: true,
target: ts.ScriptTarget.ESNext,
};
const ignoredCompilerOptions: readonly string[] = [
"allowSyntheticDefaultImports",
"baseUrl",
"build",
"composite",
"declaration",
"declarationDir",
"declarationMap",
"diagnostics",
"downlevelIteration",
"emitBOM",
"emitDeclarationOnly",
"esModuleInterop",
"extendedDiagnostics",
"forceConsistentCasingInFileNames",
"help",
"importHelpers",
"incremental",
"inlineSourceMap",
"inlineSources",
"init",
"isolatedModules",
"listEmittedFiles",
"listFiles",
"mapRoot",
"maxNodeModuleJsDepth",
"module",
"moduleResolution",
"newLine",
"noEmit",
"noEmitHelpers",
"noEmitOnError",
"noLib",
"noResolve",
"out",
"outDir",
"outFile",
"paths",
"preserveSymlinks",
"preserveWatchOutput",
"pretty",
"rootDir",
"rootDirs",
"showConfig",
"skipDefaultLibCheck",
"skipLibCheck",
"sourceMap",
"sourceRoot",
"stripInternal",
"target",
"traceResolution",
"tsBuildInfoFile",
"types",
"typeRoots",
"version",
"watch",
];
function getAssetInternal(filename: string): SourceFile {
const lastSegment = filename.split("/").pop()!;
const url = ts.libMap.has(lastSegment)
? ts.libMap.get(lastSegment)!
: lastSegment;
const sourceFile = SourceFile.get(url);
if (sourceFile) {
return sourceFile;
}
const name = url.includes(".") ? url : `${url}.d.ts`;
const sourceCode = getAsset(name);
return new SourceFile({
url,
filename: `${ASSETS}/${name}`,
mediaType: MediaType.TypeScript,
sourceCode,
});
}
export class Host implements ts.CompilerHost {
readonly #options = defaultCompileOptions;
#target: CompilerHostTarget;
#writeFile: WriteFileCallback;
/* Deno specific APIs */
constructor({
bundle = false,
target,
unstable,
writeFile,
}: CompilerHostOptions) {
this.#target = target;
this.#writeFile = writeFile;
if (bundle) {
// options we need to change when we are generating a bundle
Object.assign(this.#options, defaultBundlerOptions);
}
if (unstable) {
this.#options.lib = [
target === CompilerHostTarget.Worker
? "lib.deno.worker.d.ts"
: "lib.deno.window.d.ts",
"lib.deno.unstable.d.ts",
];
}
}
configure(
cwd: string,
path: string,
configurationText: string
): ConfigureResponse {
util.log("compiler::host.configure", path);
assert(configurationText);
const { config, error } = ts.parseConfigFileTextToJson(
path,
configurationText
);
if (error) {
return { diagnostics: [error] };
}
const { options, errors } = ts.convertCompilerOptionsFromJson(
config.compilerOptions,
cwd
);
const ignoredOptions: string[] = [];
for (const key of Object.keys(options)) {
if (
ignoredCompilerOptions.includes(key) &&
(!(key in this.#options) || options[key] !== this.#options[key])
) {
ignoredOptions.push(key);
delete options[key];
}
}
Object.assign(this.#options, options);
return {
ignoredOptions: ignoredOptions.length ? ignoredOptions : undefined,
diagnostics: errors.length ? errors : undefined,
};
}
mergeOptions(...options: ts.CompilerOptions[]): ts.CompilerOptions {
Object.assign(this.#options, ...options);
return Object.assign({}, this.#options);
}
/* TypeScript CompilerHost APIs */
fileExists(_fileName: string): boolean {
return notImplemented();
}
getCanonicalFileName(fileName: string): string {
return fileName;
}
getCompilationSettings(): ts.CompilerOptions {
util.log("compiler::host.getCompilationSettings()");
return this.#options;
}
getCurrentDirectory(): string {
return "";
}
getDefaultLibFileName(_options: ts.CompilerOptions): string {
util.log("compiler::host.getDefaultLibFileName()");
switch (this.#target) {
case CompilerHostTarget.Main:
case CompilerHostTarget.Runtime:
return `${ASSETS}/lib.deno.window.d.ts`;
case CompilerHostTarget.Worker:
return `${ASSETS}/lib.deno.worker.d.ts`;
}
}
getNewLine(): string {
return "\n";
}
getSourceFile(
fileName: string,
languageVersion: ts.ScriptTarget,
onError?: (message: string) => void,
shouldCreateNewSourceFile?: boolean
): ts.SourceFile | undefined {
util.log("compiler::host.getSourceFile", fileName);
try {
assert(!shouldCreateNewSourceFile);
const sourceFile = fileName.startsWith(ASSETS)
? getAssetInternal(fileName)
: SourceFile.get(fileName);
assert(sourceFile != null);
if (!sourceFile.tsSourceFile) {
assert(sourceFile.sourceCode != null);
const tsSourceFileName = fileName.startsWith(ASSETS)
? sourceFile.filename
: fileName;
sourceFile.tsSourceFile = ts.createSourceFile(
tsSourceFileName,
sourceFile.sourceCode,
languageVersion
);
delete sourceFile.sourceCode;
}
return sourceFile.tsSourceFile;
} catch (e) {
if (onError) {
onError(String(e));
} else {
throw e;
}
return undefined;
}
}
readFile(_fileName: string): string | undefined {
return notImplemented();
}
resolveModuleNames(
moduleNames: string[],
containingFile: string
): Array<ts.ResolvedModuleFull | undefined> {
util.log("compiler::host.resolveModuleNames", {
moduleNames,
containingFile,
});
return moduleNames.map((specifier) => {
const maybeUrl = SourceFile.getUrl(specifier, containingFile);
let sourceFile: SourceFile | undefined = undefined;
if (specifier.startsWith(ASSETS)) {
sourceFile = getAssetInternal(specifier);
} else if (typeof maybeUrl !== "undefined") {
sourceFile = SourceFile.get(maybeUrl);
}
if (!sourceFile) {
return undefined;
}
return {
resolvedFileName: sourceFile.url,
isExternalLibraryImport: specifier.startsWith(ASSETS),
extension: sourceFile.extension,
};
});
}
useCaseSensitiveFileNames(): boolean {
return true;
}
writeFile(
fileName: string,
data: string,
_writeByteOrderMark: boolean,
_onError?: (message: string) => void,
sourceFiles?: readonly ts.SourceFile[]
): void {
util.log("compiler::host.writeFile", fileName);
this.#writeFile(fileName, data, sourceFiles);
}
}

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { MediaType, SourceFile, SourceFileJson } from "./sourcefile.ts";
import { assert } from "../util.ts";
import * as util from "../util.ts";
import * as compilerOps from "../ops/compiler.ts";
function resolveSpecifier(specifier: string, referrer: string): string {
// The resolveModules op only handles fully qualified URLs for referrer.
// However we will have cases where referrer is "/foo.ts". We add this dummy
// prefix "file://" in order to use the op.
// TODO(ry) Maybe we should perhaps ModuleSpecifier::resolve_import() to
// handle this situation.
let dummyPrefix = false;
const prefix = "file://";
if (referrer.startsWith("/")) {
dummyPrefix = true;
referrer = prefix + referrer;
}
let r = resolveModules([specifier], referrer)[0];
if (dummyPrefix) {
r = r.replace(prefix, "");
}
return r;
}
// TODO(ry) Remove. Unnecessary redirection to compilerOps.resolveModules.
export function resolveModules(
specifiers: string[],
referrer?: string
): string[] {
util.log("compiler_imports::resolveModules", { specifiers, referrer });
return compilerOps.resolveModules(specifiers, referrer);
}
// TODO(ry) Remove. Unnecessary redirection to compilerOps.fetchSourceFiles.
function fetchSourceFiles(
specifiers: string[],
referrer?: string
): Promise<SourceFileJson[]> {
util.log("compiler_imports::fetchSourceFiles", { specifiers, referrer });
return compilerOps.fetchSourceFiles(specifiers, referrer);
}
function getMediaType(filename: string): MediaType {
const maybeExtension = /\.([a-zA-Z]+)$/.exec(filename);
if (!maybeExtension) {
util.log(`!!! Could not identify valid extension: "${filename}"`);
return MediaType.Unknown;
}
const [, extension] = maybeExtension;
switch (extension.toLowerCase()) {
case "js":
return MediaType.JavaScript;
case "jsx":
return MediaType.JSX;
case "ts":
return MediaType.TypeScript;
case "tsx":
return MediaType.TSX;
case "wasm":
return MediaType.Wasm;
default:
util.log(`!!! Unknown extension: "${extension}"`);
return MediaType.Unknown;
}
}
export function processLocalImports(
sources: Record<string, string>,
specifiers: Array<[string, string]>,
referrer?: string,
processJsImports = false
): string[] {
if (!specifiers.length) {
return [];
}
const moduleNames = specifiers.map(
referrer
? ([, specifier]): string => resolveSpecifier(specifier, referrer)
: ([, specifier]): string => specifier
);
for (let i = 0; i < moduleNames.length; i++) {
const moduleName = moduleNames[i];
assert(moduleName in sources, `Missing module in sources: "${moduleName}"`);
const sourceFile =
SourceFile.get(moduleName) ||
new SourceFile({
url: moduleName,
filename: moduleName,
sourceCode: sources[moduleName],
mediaType: getMediaType(moduleName),
});
sourceFile.cache(specifiers[i][0], referrer);
if (!sourceFile.processed) {
processLocalImports(
sources,
sourceFile.imports(processJsImports),
sourceFile.url,
processJsImports
);
}
}
return moduleNames;
}
export async function processImports(
specifiers: Array<[string, string]>,
referrer?: string,
processJsImports = false
): Promise<string[]> {
if (!specifiers.length) {
return [];
}
const sources = specifiers.map(([, moduleSpecifier]) => moduleSpecifier);
const resolvedSources = resolveModules(sources, referrer);
const sourceFiles = await fetchSourceFiles(resolvedSources, referrer);
assert(sourceFiles.length === specifiers.length);
for (let i = 0; i < sourceFiles.length; i++) {
const sourceFileJson = sourceFiles[i];
const sourceFile =
SourceFile.get(sourceFileJson.url) || new SourceFile(sourceFileJson);
sourceFile.cache(specifiers[i][0], referrer);
if (!sourceFile.processed) {
const sourceFileImports = sourceFile.imports(processJsImports);
await processImports(sourceFileImports, sourceFile.url, processJsImports);
}
}
return resolvedSources;
}

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { getMappedModuleName, parseTypeDirectives } from "./type_directives.ts";
import { assert, log } from "../util.ts";
// Warning! The values in this enum are duplicated in `cli/msg.rs`
// Update carefully!
export enum MediaType {
JavaScript = 0,
JSX = 1,
TypeScript = 2,
TSX = 3,
Json = 4,
Wasm = 5,
Unknown = 6,
}
export interface SourceFileJson {
url: string;
filename: string;
mediaType: MediaType;
sourceCode: string;
}
export const ASSETS = "$asset$";
function getExtension(fileName: string, mediaType: MediaType): ts.Extension {
switch (mediaType) {
case MediaType.JavaScript:
return ts.Extension.Js;
case MediaType.JSX:
return ts.Extension.Jsx;
case MediaType.TypeScript:
return fileName.endsWith(".d.ts") ? ts.Extension.Dts : ts.Extension.Ts;
case MediaType.TSX:
return ts.Extension.Tsx;
case MediaType.Wasm:
// Custom marker for Wasm type.
return ts.Extension.Js;
case MediaType.Unknown:
default:
throw TypeError(
`Cannot resolve extension for "${fileName}" with mediaType "${MediaType[mediaType]}".`
);
}
}
/** A global cache of module source files that have been loaded. */
const moduleCache: Map<string, SourceFile> = new Map();
/** A map of maps which cache source files for quicker modules resolution. */
const specifierCache: Map<string, Map<string, SourceFile>> = new Map();
export class SourceFile {
extension!: ts.Extension;
filename!: string;
mediaType!: MediaType;
processed = false;
sourceCode?: string;
tsSourceFile?: ts.SourceFile;
url!: string;
constructor(json: SourceFileJson) {
if (moduleCache.has(json.url)) {
throw new TypeError("SourceFile already exists");
}
Object.assign(this, json);
this.extension = getExtension(this.url, this.mediaType);
moduleCache.set(this.url, this);
}
cache(moduleSpecifier: string, containingFile?: string): void {
containingFile = containingFile || "";
let innerCache = specifierCache.get(containingFile);
if (!innerCache) {
innerCache = new Map();
specifierCache.set(containingFile, innerCache);
}
innerCache.set(moduleSpecifier, this);
}
imports(processJsImports: boolean): Array<[string, string]> {
if (this.processed) {
throw new Error("SourceFile has already been processed.");
}
assert(this.sourceCode != null);
// we shouldn't process imports for files which contain the nocheck pragma
// (like bundles)
if (this.sourceCode.match(/\/{2}\s+@ts-nocheck/)) {
log(`Skipping imports for "${this.filename}"`);
return [];
}
const readImportFiles = true;
const detectJsImports =
this.mediaType === MediaType.JavaScript ||
this.mediaType === MediaType.JSX;
const preProcessedFileInfo = ts.preProcessFile(
this.sourceCode,
readImportFiles,
detectJsImports
);
this.processed = true;
const files: Array<[string, string]> = [];
function process(references: Array<{ fileName: string }>): void {
for (const { fileName } of references) {
files.push([fileName, fileName]);
}
}
const {
importedFiles,
referencedFiles,
libReferenceDirectives,
typeReferenceDirectives,
} = preProcessedFileInfo;
const typeDirectives = parseTypeDirectives(this.sourceCode);
if (typeDirectives) {
for (const importedFile of importedFiles) {
files.push([
importedFile.fileName,
getMappedModuleName(importedFile, typeDirectives),
]);
}
} else if (
!(
!processJsImports &&
(this.mediaType === MediaType.JavaScript ||
this.mediaType === MediaType.JSX)
)
) {
process(importedFiles);
}
process(referencedFiles);
// built in libs comes across as `"dom"` for example, and should be filtered
// out during pre-processing as they are either already cached or they will
// be lazily fetched by the compiler host. Ones that contain full files are
// not filtered out and will be fetched as normal.
process(
libReferenceDirectives.filter(
({ fileName }) => !ts.libMap.has(fileName.toLowerCase())
)
);
process(typeReferenceDirectives);
return files;
}
static getUrl(
moduleSpecifier: string,
containingFile: string
): string | undefined {
const containingCache = specifierCache.get(containingFile);
if (containingCache) {
const sourceFile = containingCache.get(moduleSpecifier);
return sourceFile && sourceFile.url;
}
return undefined;
}
static get(url: string): SourceFile | undefined {
return moduleCache.get(url);
}
}

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
interface FileReference {
fileName: string;
pos: number;
end: number;
}
export function getMappedModuleName(
source: FileReference,
typeDirectives: Map<FileReference, string>
): string {
const { fileName: sourceFileName, pos: sourcePos } = source;
for (const [{ fileName, pos }, value] of typeDirectives.entries()) {
if (sourceFileName === fileName && sourcePos === pos) {
return value;
}
}
return source.fileName;
}
const typeDirectiveRegEx = /@deno-types\s*=\s*(["'])((?:(?=(\\?))\3.)*?)\1/gi;
const importExportRegEx = /(?:import|export)(?:\s+|\s+[\s\S]*?from\s+)?(["'])((?:(?=(\\?))\3.)*?)\1/;
export function parseTypeDirectives(
sourceCode: string | undefined
): Map<FileReference, string> | undefined {
if (!sourceCode) {
return;
}
// collect all the directives in the file and their start and end positions
const directives: FileReference[] = [];
let maybeMatch: RegExpExecArray | null = null;
while ((maybeMatch = typeDirectiveRegEx.exec(sourceCode))) {
const [matchString, , fileName] = maybeMatch;
const { index: pos } = maybeMatch;
directives.push({
fileName,
pos,
end: pos + matchString.length,
});
}
if (!directives.length) {
return;
}
// work from the last directive backwards for the next `import`/`export`
// statement
directives.reverse();
const results = new Map<FileReference, string>();
for (const { end, fileName, pos } of directives) {
const searchString = sourceCode.substring(end);
const maybeMatch = importExportRegEx.exec(searchString);
if (maybeMatch) {
const [matchString, , targetFileName] = maybeMatch;
const targetPos =
end + maybeMatch.index + matchString.indexOf(targetFileName) - 1;
const target: FileReference = {
fileName: targetFileName,
pos: targetPos,
end: targetPos + targetFileName.length,
};
results.set(target, fileName);
}
sourceCode = sourceCode.substring(0, pos);
}
return results;
}

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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { bold, cyan, yellow } from "../colors.ts";
import { CompilerOptions } from "./api.ts";
import { buildBundle } from "./bundler.ts";
import { ConfigureResponse, Host } from "./host.ts";
import { atob } from "../web/text_encoding.ts";
import * as compilerOps from "../ops/compiler.ts";
import { assert } from "../util.ts";
export interface EmmitedSource {
// original filename
filename: string;
// compiled contents
contents: string;
}
export type WriteFileCallback = (
fileName: string,
data: string,
sourceFiles?: readonly ts.SourceFile[]
) => void;
export interface WriteFileState {
type: CompilerRequestType;
bundle?: boolean;
bundleOutput?: string;
host?: Host;
rootNames: string[];
emitMap?: Record<string, EmmitedSource>;
sources?: Record<string, string>;
}
// Warning! The values in this enum are duplicated in `cli/msg.rs`
// Update carefully!
export enum CompilerRequestType {
Compile = 0,
RuntimeCompile = 1,
RuntimeTranspile = 2,
}
export const OUT_DIR = "$deno$";
export function getAsset(name: string): string {
return compilerOps.getAsset(name);
}
// TODO(bartlomieju): probably could be defined inline?
export function createBundleWriteFile(
state: WriteFileState
): WriteFileCallback {
return function writeFile(
_fileName: string,
data: string,
sourceFiles?: readonly ts.SourceFile[]
): void {
assert(sourceFiles != null);
assert(state.host);
assert(state.emitMap);
assert(state.bundle);
// we only support single root names for bundles
assert(state.rootNames.length === 1);
state.bundleOutput = buildBundle(state.rootNames[0], data, sourceFiles);
};
}
// TODO(bartlomieju): probably could be defined inline?
export function createCompileWriteFile(
state: WriteFileState
): WriteFileCallback {
return function writeFile(
fileName: string,
data: string,
sourceFiles?: readonly ts.SourceFile[]
): void {
assert(sourceFiles != null);
assert(state.host);
assert(state.emitMap);
assert(!state.bundle);
assert(sourceFiles.length === 1);
state.emitMap[fileName] = {
filename: sourceFiles[0].fileName,
contents: data,
};
};
}
export interface ConvertCompilerOptionsResult {
files?: string[];
options: ts.CompilerOptions;
}
export function convertCompilerOptions(
str: string
): ConvertCompilerOptionsResult {
const options: CompilerOptions = JSON.parse(str);
const out: Record<string, unknown> = {};
const keys = Object.keys(options) as Array<keyof CompilerOptions>;
const files: string[] = [];
for (const key of keys) {
switch (key) {
case "jsx":
const value = options[key];
if (value === "preserve") {
out[key] = ts.JsxEmit.Preserve;
} else if (value === "react") {
out[key] = ts.JsxEmit.React;
} else {
out[key] = ts.JsxEmit.ReactNative;
}
break;
case "module":
switch (options[key]) {
case "amd":
out[key] = ts.ModuleKind.AMD;
break;
case "commonjs":
out[key] = ts.ModuleKind.CommonJS;
break;
case "es2015":
case "es6":
out[key] = ts.ModuleKind.ES2015;
break;
case "esnext":
out[key] = ts.ModuleKind.ESNext;
break;
case "none":
out[key] = ts.ModuleKind.None;
break;
case "system":
out[key] = ts.ModuleKind.System;
break;
case "umd":
out[key] = ts.ModuleKind.UMD;
break;
default:
throw new TypeError("Unexpected module type");
}
break;
case "target":
switch (options[key]) {
case "es3":
out[key] = ts.ScriptTarget.ES3;
break;
case "es5":
out[key] = ts.ScriptTarget.ES5;
break;
case "es6":
case "es2015":
out[key] = ts.ScriptTarget.ES2015;
break;
case "es2016":
out[key] = ts.ScriptTarget.ES2016;
break;
case "es2017":
out[key] = ts.ScriptTarget.ES2017;
break;
case "es2018":
out[key] = ts.ScriptTarget.ES2018;
break;
case "es2019":
out[key] = ts.ScriptTarget.ES2019;
break;
case "es2020":
out[key] = ts.ScriptTarget.ES2020;
break;
case "esnext":
out[key] = ts.ScriptTarget.ESNext;
break;
default:
throw new TypeError("Unexpected emit target.");
}
break;
case "types":
const types = options[key];
assert(types);
files.push(...types);
break;
default:
out[key] = options[key];
}
}
return {
options: out as ts.CompilerOptions,
files: files.length ? files : undefined,
};
}
export const ignoredDiagnostics = [
// TS2306: File 'file:///Users/rld/src/deno/cli/tests/subdir/amd_like.js' is
// not a module.
2306,
// TS1375: 'await' expressions are only allowed at the top level of a file
// when that file is a module, but this file has no imports or exports.
// Consider adding an empty 'export {}' to make this file a module.
1375,
// TS1103: 'for-await-of' statement is only allowed within an async function
// or async generator.
1103,
// TS2691: An import path cannot end with a '.ts' extension. Consider
// importing 'bad-module' instead.
2691,
// TS5009: Cannot find the common subdirectory path for the input files.
5009,
// TS5055: Cannot write file
// 'http://localhost:4545/cli/tests/subdir/mt_application_x_javascript.j4.js'
// because it would overwrite input file.
5055,
// TypeScript is overly opinionated that only CommonJS modules kinds can
// support JSON imports. Allegedly this was fixed in
// Microsoft/TypeScript#26825 but that doesn't seem to be working here,
// so we will ignore complaints about this compiler setting.
5070,
// TS7016: Could not find a declaration file for module '...'. '...'
// implicitly has an 'any' type. This is due to `allowJs` being off by
// default but importing of a JavaScript module.
7016,
];
export function processConfigureResponse(
configResult: ConfigureResponse,
configPath: string
): ts.Diagnostic[] | undefined {
const { ignoredOptions, diagnostics } = configResult;
if (ignoredOptions) {
console.warn(
yellow(`Unsupported compiler options in "${configPath}"\n`) +
cyan(` The following options were ignored:\n`) +
` ${ignoredOptions.map((value): string => bold(value)).join(", ")}`
);
}
return diagnostics;
}
// Constants used by `normalizeString` and `resolvePath`
export const CHAR_DOT = 46; /* . */
export const CHAR_FORWARD_SLASH = 47; /* / */
export function normalizeString(path: string): string {
let res = "";
let lastSegmentLength = 0;
let lastSlash = -1;
let dots = 0;
let code: number;
for (let i = 0, len = path.length; i <= len; ++i) {
if (i < len) code = path.charCodeAt(i);
else if (code! === CHAR_FORWARD_SLASH) break;
else code = CHAR_FORWARD_SLASH;
if (code === CHAR_FORWARD_SLASH) {
if (lastSlash === i - 1 || dots === 1) {
// NOOP
} else if (lastSlash !== i - 1 && dots === 2) {
if (
res.length < 2 ||
lastSegmentLength !== 2 ||
res.charCodeAt(res.length - 1) !== CHAR_DOT ||
res.charCodeAt(res.length - 2) !== CHAR_DOT
) {
if (res.length > 2) {
const lastSlashIndex = res.lastIndexOf("/");
if (lastSlashIndex === -1) {
res = "";
lastSegmentLength = 0;
} else {
res = res.slice(0, lastSlashIndex);
lastSegmentLength = res.length - 1 - res.lastIndexOf("/");
}
lastSlash = i;
dots = 0;
continue;
} else if (res.length === 2 || res.length === 1) {
res = "";
lastSegmentLength = 0;
lastSlash = i;
dots = 0;
continue;
}
}
} else {
if (res.length > 0) res += "/" + path.slice(lastSlash + 1, i);
else res = path.slice(lastSlash + 1, i);
lastSegmentLength = i - lastSlash - 1;
}
lastSlash = i;
dots = 0;
} else if (code === CHAR_DOT && dots !== -1) {
++dots;
} else {
dots = -1;
}
}
return res;
}
export function commonPath(paths: string[], sep = "/"): string {
const [first = "", ...remaining] = paths;
if (first === "" || remaining.length === 0) {
return first.substring(0, first.lastIndexOf(sep) + 1);
}
const parts = first.split(sep);
let endOfPrefix = parts.length;
for (const path of remaining) {
const compare = path.split(sep);
for (let i = 0; i < endOfPrefix; i++) {
if (compare[i] !== parts[i]) {
endOfPrefix = i;
}
}
if (endOfPrefix === 0) {
return "";
}
}
const prefix = parts.slice(0, endOfPrefix).join(sep);
return prefix.endsWith(sep) ? prefix : `${prefix}${sep}`;
}
// @internal
export function base64ToUint8Array(data: string): Uint8Array {
const binString = atob(data);
const size = binString.length;
const bytes = new Uint8Array(size);
for (let i = 0; i < size; i++) {
bytes[i] = binString.charCodeAt(i);
}
return bytes;
}

View file

@ -3,143 +3,11 @@
// This file contains the runtime APIs which will dispatch work to the internal
// compiler within Deno.
import { DiagnosticItem } from "../diagnostics.ts";
import * as util from "../util.ts";
import * as runtimeCompilerOps from "../ops/runtime_compiler.ts";
import { TranspileOnlyResult } from "../ops/runtime_compiler.ts";
export { TranspileOnlyResult } from "../ops/runtime_compiler.ts";
export interface CompilerOptions {
allowJs?: boolean;
allowSyntheticDefaultImports?: boolean;
allowUmdGlobalAccess?: boolean;
allowUnreachableCode?: boolean;
allowUnusedLabels?: boolean;
alwaysStrict?: boolean;
baseUrl?: string;
checkJs?: boolean;
declaration?: boolean;
declarationDir?: string;
declarationMap?: boolean;
downlevelIteration?: boolean;
emitBOM?: boolean;
emitDeclarationOnly?: boolean;
emitDecoratorMetadata?: boolean;
esModuleInterop?: boolean;
experimentalDecorators?: boolean;
inlineSourceMap?: boolean;
inlineSources?: boolean;
isolatedModules?: boolean;
jsx?: "react" | "preserve" | "react-native";
jsxFactory?: string;
keyofStringsOnly?: string;
useDefineForClassFields?: boolean;
lib?: string[];
locale?: string;
mapRoot?: string;
module?:
| "none"
| "commonjs"
| "amd"
| "system"
| "umd"
| "es6"
| "es2015"
| "esnext";
noEmitHelpers?: boolean;
noFallthroughCasesInSwitch?: boolean;
noImplicitAny?: boolean;
noImplicitReturns?: boolean;
noImplicitThis?: boolean;
noImplicitUseStrict?: boolean;
noResolve?: boolean;
noStrictGenericChecks?: boolean;
noUnusedLocals?: boolean;
noUnusedParameters?: boolean;
outDir?: string;
paths?: Record<string, string[]>;
preserveConstEnums?: boolean;
removeComments?: boolean;
resolveJsonModule?: boolean;
rootDir?: string;
rootDirs?: string[];
sourceMap?: boolean;
sourceRoot?: string;
strict?: boolean;
strictBindCallApply?: boolean;
strictFunctionTypes?: boolean;
strictPropertyInitialization?: boolean;
strictNullChecks?: boolean;
suppressExcessPropertyErrors?: boolean;
suppressImplicitAnyIndexErrors?: boolean;
target?:
| "es3"
| "es5"
| "es6"
| "es2015"
| "es2016"
| "es2017"
| "es2018"
| "es2019"
| "es2020"
| "esnext";
types?: string[];
}
import { DiagnosticItem } from "./diagnostics.ts";
import * as util from "./util.ts";
import * as runtimeCompilerOps from "./ops/runtime_compiler.ts";
import { TranspileOnlyResult } from "./ops/runtime_compiler.ts";
import { CompilerOptions } from "./compiler_options.ts";
function checkRelative(specifier: string): string {
return specifier.match(/^([\.\/\\]|https?:\/{2}|file:\/{2})/)

133
cli/js/compiler_options.ts Normal file
View file

@ -0,0 +1,133 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
export interface CompilerOptions {
allowJs?: boolean;
allowSyntheticDefaultImports?: boolean;
allowUmdGlobalAccess?: boolean;
allowUnreachableCode?: boolean;
allowUnusedLabels?: boolean;
alwaysStrict?: boolean;
baseUrl?: string;
checkJs?: boolean;
declaration?: boolean;
declarationDir?: string;
declarationMap?: boolean;
downlevelIteration?: boolean;
emitBOM?: boolean;
emitDeclarationOnly?: boolean;
emitDecoratorMetadata?: boolean;
esModuleInterop?: boolean;
experimentalDecorators?: boolean;
inlineSourceMap?: boolean;
inlineSources?: boolean;
isolatedModules?: boolean;
jsx?: "react" | "preserve" | "react-native";
jsxFactory?: string;
keyofStringsOnly?: string;
useDefineForClassFields?: boolean;
lib?: string[];
locale?: string;
mapRoot?: string;
module?:
| "none"
| "commonjs"
| "amd"
| "system"
| "umd"
| "es6"
| "es2015"
| "esnext";
noEmitHelpers?: boolean;
noFallthroughCasesInSwitch?: boolean;
noImplicitAny?: boolean;
noImplicitReturns?: boolean;
noImplicitThis?: boolean;
noImplicitUseStrict?: boolean;
noResolve?: boolean;
noStrictGenericChecks?: boolean;
noUnusedLocals?: boolean;
noUnusedParameters?: boolean;
outDir?: string;
paths?: Record<string, string[]>;
preserveConstEnums?: boolean;
removeComments?: boolean;
resolveJsonModule?: boolean;
rootDir?: string;
rootDirs?: string[];
sourceMap?: boolean;
sourceRoot?: string;
strict?: boolean;
strictBindCallApply?: boolean;
strictFunctionTypes?: boolean;
strictPropertyInitialization?: boolean;
strictNullChecks?: boolean;
suppressExcessPropertyErrors?: boolean;
suppressImplicitAnyIndexErrors?: boolean;
target?:
| "es3"
| "es5"
| "es6"
| "es2015"
| "es2016"
| "es2017"
| "es2018"
| "es2019"
| "es2020"
| "esnext";
types?: string[];
}

View file

@ -7,7 +7,7 @@ export { linkSync, link } from "./ops/fs/link.ts";
export { symlinkSync, symlink } from "./ops/fs/symlink.ts";
export { dir, loadavg, osRelease } from "./ops/os.ts";
export { openPlugin } from "./ops/plugins.ts";
export { transpileOnly, compile, bundle } from "./compiler/api.ts";
export { transpileOnly, compile, bundle } from "./compiler_api.ts";
export { applySourceMap, formatDiagnostics } from "./ops/errors.ts";
export { signal, signals, Signal, SignalStream } from "./signals.ts";
export { setRaw } from "./ops/tty.ts";

View file

@ -1,40 +0,0 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { sendAsync, sendSync } from "./dispatch_json.ts";
import { TextDecoder, TextEncoder } from "../web/text_encoding.ts";
import { core } from "../core.ts";
export function resolveModules(
specifiers: string[],
referrer?: string
): string[] {
return sendSync("op_resolve_modules", { specifiers, referrer });
}
export function fetchSourceFiles(
specifiers: string[],
referrer?: string
): Promise<
Array<{
url: string;
filename: string;
mediaType: number;
sourceCode: string;
}>
> {
return sendAsync("op_fetch_source_files", {
specifiers,
referrer,
});
}
const encoder = new TextEncoder();
const decoder = new TextDecoder();
export function getAsset(name: string): string {
const opId = core.ops()["op_fetch_asset"];
// We really don't want to depend on JSON dispatch during snapshotting, so
// this op exchanges strings with Rust as raw byte arrays.
const sourceCodeBytes = core.dispatch(opId, encoder.encode(name));
return decoder.decode(sourceCodeBytes!);
}

View file

@ -1,9 +1,9 @@
[WILDCARD]
error: Uncaught TypeError: Cannot resolve extension for "[WILDCARD]config.json" with mediaType "Json".
at getExtension ($deno$/compiler/sourcefile.ts:[WILDCARD])
at new SourceFile ($deno$/compiler/sourcefile.ts:[WILDCARD])
at processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at getExtension ($deno$/compiler.ts:[WILDCARD])
at new SourceFile ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ($deno$/runtime_worker.ts:[WILDCARD])

View file

@ -1,8 +1,8 @@
[WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/bad-module.ts" from "[WILDCARD]/error_004_missing_module.ts"
at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
at Object.sendAsync ([WILDCARD]dispatch_json.ts:[WILDCARD])
at async processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])

View file

@ -1,8 +1,8 @@
[WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/bad-module.ts" from "[WILDCARD]/error_005_missing_dynamic_import.ts"
at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
at Object.sendAsync ([WILDCARD]dispatch_json.ts:[WILDCARD])
at async processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])

View file

@ -1,8 +1,8 @@
[WILDCARD]error: Uncaught NotFound: Cannot resolve module "[WILDCARD]/non-existent" from "[WILDCARD]/error_006_import_ext_failure.ts"
at unwrapResponse ([WILDCARD]dispatch_json.ts:[WILDCARD])
at Object.sendAsync ([WILDCARD]dispatch_json.ts:[WILDCARD])
at async processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])

View file

@ -1,9 +1,9 @@
[WILDCARD]error: Uncaught URIError: relative import path "bad-module.ts" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/error_011_bad_module_specifier.ts"
at unwrapResponse ($deno$/ops/dispatch_json.ts:[WILDCARD])
at Object.sendSync ($deno$/ops/dispatch_json.ts:[WILDCARD])
at resolveModules ($deno$/compiler/imports.ts:[WILDCARD])
at processImports ($deno$/compiler/imports.ts:[WILDCARD])
at Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at resolveModules ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])

View file

@ -1,9 +1,9 @@
[WILDCARD]error: Uncaught URIError: relative import path "bad-module.ts" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/error_012_bad_dynamic_import_specifier.ts"
at unwrapResponse ($deno$/ops/dispatch_json.ts:[WILDCARD])
at Object.sendSync ($deno$/ops/dispatch_json.ts:[WILDCARD])
at resolveModules ($deno$/compiler/imports.ts:[WILDCARD])
at processImports ($deno$/compiler/imports.ts:[WILDCARD])
at Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at resolveModules ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])

View file

@ -2,8 +2,8 @@
error: Uncaught PermissionDenied: Remote module are not allowed to statically import local modules. Use dynamic import instead.
at unwrapResponse ($deno$/ops/dispatch_json.ts:[WILDCARD])
at Object.sendAsync ($deno$/ops/dispatch_json.ts:[WILDCARD])
at async processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ($deno$/runtime_worker.ts:[WILDCARD])

View file

@ -1,11 +1,10 @@
[WILDCARD]error: Uncaught URIError: relative import path "baz" not prefixed with / or ./ or ../ Imported from "[WILDCARD]/type_definitions/bar.d.ts"
at unwrapResponse ($deno$/ops/dispatch_json.ts:[WILDCARD])
at Object.sendSync ($deno$/ops/dispatch_json.ts:[WILDCARD])
at Object.resolveModules ($deno$/ops/compiler.ts:[WILDCARD])
at resolveModules ($deno$/compiler/imports.ts:[WILDCARD])
at processImports ($deno$/compiler/imports.ts:[WILDCARD])
at processImports ($deno$/compiler/imports.ts:[WILDCARD])
at async Object.processImports ($deno$/compiler/imports.ts:[WILDCARD])
at resolveModules ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at processImports ($deno$/compiler.ts:[WILDCARD])
at async processImports ($deno$/compiler.ts:[WILDCARD])
at async compile ($deno$/compiler.ts:[WILDCARD])
at async tsCompilerOnMessage ($deno$/compiler.ts:[WILDCARD])
at async workerMessageRecvCallback ([WILDCARD]runtime_worker.ts:[WILDCARD])