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

1 files changed, 0 insertions, 329 deletions

diff --git a/cli/js/compiler/host.ts b/cli/js/compiler/host.ts
deleted file mode 100644
index 64b5e0245..000000000
--- a/cli/js/compiler/host.ts
+++ /dev/null
@@ -1,329 +0,0 @@
-// 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);
-  }
-}