Tsify app.js (#4767)

I forgot about app.js, now this is actually the last file in our ts conversion (other than test/)
2025-12-27 07:04:04 -05:00 · 2023-02-23 17:15:59 -05:00
parent 46f99a15f9
commit 6bd5c43f62
12 changed files with 78 additions and 51 deletions
--- a/.idea/runConfigurations/app_js.xml
+++ b/.idea/runConfigurations/app_js.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="app.js" type="NodeJSConfigurationType" application-parameters="--language c++" nameIsGenerated="true" node-parameters="-r esm -r ts-node/register" path-to-js-file="app.js" working-dir="$PROJECT_DIR$">
+  <configuration default="false" name="app.ts" type="NodeJSConfigurationType" application-parameters="--language c++" nameIsGenerated="true" node-parameters="-r esm -r ts-node/register" path-to-js-file="app.ts" working-dir="$PROJECT_DIR$">
    <method v="2" />
  </configuration>
 </component>
--- a/.idea/scopes/Server.xml
+++ b/.idea/scopes/Server.xml
@@ -1,3 +1,3 @@
 <component name="DependencyValidationManager">
-  <scope name="Server" pattern="file[compiler-explorer]:lib//*||file[compiler-explorer]:app.js||file[compiler-explorer]:test//*" />
+  <scope name="Server" pattern="file[compiler-explorer]:lib//*||file[compiler-explorer]:app.ts||file[compiler-explorer]:test//*" />
 </component>
--- a/6
+++ b/6
@@ -86,15 +86,15 @@ run:  ## Runs the site like it runs in production

 .PHONY: dev
 dev: prereqs ## Runs the site as a developer; including live reload support and installation of git hooks
-	./node_modules/.bin/supervisor -w app.js,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.js $(EXTRA_ARGS)
+	./node_modules/.bin/supervisor -w app.ts,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.ts $(EXTRA_ARGS)

 .PHONY: gpu-dev
 gpu-dev: prereqs ## Runs the site as a developer; including live reload support and installation of git hooks
-	./node_modules/.bin/supervisor -w app.js,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.js --env gpu $(EXTRA_ARGS)
+	./node_modules/.bin/supervisor -w app.ts,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.ts --env gpu $(EXTRA_ARGS)

 .PHONY: debug
 debug: prereqs ## Runs the site as a developer with full debugging; including live reload support and installation of git hooks
-	./node_modules/.bin/supervisor -w app.js,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --inspect 9229 --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.js --debug $(EXTRA_ARGS)
+	./node_modules/.bin/supervisor -w app.ts,lib,etc/config,static/tsconfig.json -e 'js|ts|node|properties|yaml' -n exit --inspect 9229 --exec $(NODE) $(NODE_ARGS) -- -r esm -r ts-node/register ./app.ts --debug $(EXTRA_ARGS)

 .PHONY:
 asm-docs:
--- a/app.ts
+++ b/app.ts
@@ -45,6 +45,7 @@ import urljoin from 'url-join';

 import * as aws from './lib/aws';
 import * as normalizer from './lib/clientstate-normalizer';
+import {ElementType} from './lib/common-utils';
 import {CompilationEnvironment} from './lib/compilation-env';
 import {CompilationQueue} from './lib/compilation-queue';
 import {CompilerFinder} from './lib/compiler-finder';
@@ -66,6 +67,7 @@ import {sources} from './lib/sources';
 import {loadSponsorsFromString} from './lib/sponsors';
 import {getStorageTypeByKey} from './lib/storage';
 import * as utils from './lib/utils';
+import {Language, LanguageKey} from './types/languages.interfaces';

 // Used by assert.ts
 global.ce_base_directory = __dirname; // eslint-disable-line unicorn/prefer-module
@@ -106,7 +108,8 @@ if (opts.debug) logger.level = 'debug';
 // AP: Detect if we're running under Windows Subsystem for Linux. Temporary modification
 // of process.env is allowed: https://nodejs.org/api/process.html#process_process_env
 if (process.platform === 'linux' && child_process.execSync('uname -a').toString().includes('Microsoft')) {
-    process.env.wsl = true;
+    // Node wants process.env is essentially a Record<key, string | undefined>. Any non-empty string should be fine.
+    process.env.wsl = 'true';
 }

 // AP: Allow setting of tmpDir (used in lib/base-compiler.js & lib/exec.js) through opts.
@@ -214,22 +217,24 @@ props.initialize(configDir, propHierarchy);
 const ceProps = props.propsFor('compiler-explorer');
 defArgs.wantedLanguages = ceProps('restrictToLanguages', defArgs.wantedLanguages);

-let languages = allLanguages;
-if (defArgs.wantedLanguages) {
-    const filteredLangs = {};
-    const passedLangs = defArgs.wantedLanguages.split(',');
-    for (const wantedLang of passedLangs) {
-        for (const langId in languages) {
-            const lang = languages[langId];
-            if (lang.id === wantedLang || lang.name === wantedLang || lang.alias === wantedLang) {
-                filteredLangs[lang.id] = lang;
+const languages = (() => {
+    if (defArgs.wantedLanguages) {
+        const filteredLangs: Partial<Record<LanguageKey, Language>> = {};
+        const passedLangs = defArgs.wantedLanguages.split(',');
+        for (const wantedLang of passedLangs) {
+            for (const lang of Object.values(allLanguages)) {
+                if (lang.id === wantedLang || lang.name === wantedLang || lang.alias === wantedLang) {
+                    filteredLangs[lang.id] = lang;
+                }
            }
        }
+        // Always keep cmake for IDE mode, just in case
+        filteredLangs[allLanguages.cmake.id] = allLanguages.cmake;
+        return filteredLangs;
+    } else {
+        return allLanguages;
    }
-    // Always keep cmake for IDE mode, just in case
-    filteredLangs[languages.cmake.id] = languages.cmake;
-    languages = filteredLangs;
-}
+})();

 if (Object.keys(languages).length === 0) {
    logger.error('Trying to start Compiler Explorer without a language');
@@ -253,15 +258,15 @@ function staticHeaders(res) {
    }
 }

-function contentPolicyHeader(/*res*/) {
+function contentPolicyHeader(res: express.Response) {
    // TODO: re-enable CSP
    // if (csp) {
    //     res.setHeader('Content-Security-Policy', csp);
    // }
 }

-function measureEventLoopLag(delayMs) {
-    return new Promise(resolve => {
+function measureEventLoopLag(delayMs: number) {
+    return new Promise<number>(resolve => {
        const start = process.hrtime.bigint();
        setTimeout(() => {
            const elapsed = process.hrtime.bigint() - start;
@@ -301,11 +306,11 @@ function setupEventLoopLagLogging() {
    }
 }

-let pugRequireHandler = () => {
+let pugRequireHandler: (path: string) => any = () => {
    logger.error('pug require handler not configured');
 };

-async function setupWebPackDevMiddleware(router) {
+async function setupWebPackDevMiddleware(router: express.Router) {
    logger.info('  using webpack dev middleware');

    /* eslint-disable node/no-unpublished-import,import/extensions, */
@@ -313,8 +318,9 @@ async function setupWebPackDevMiddleware(router) {
    const {default: webpackConfig} = await import('./webpack.config.esm.js');
    const {default: webpack} = await import('webpack');
    /* eslint-enable */
+    type WebpackConfiguration = ElementType<Parameters<typeof webpack>[0]>;

-    const webpackCompiler = webpack(webpackConfig);
+    const webpackCompiler = webpack([webpackConfig as WebpackConfiguration]);
    router.use(
        webpackDevMiddleware(webpackCompiler, {
            publicPath: '/static',
@@ -328,7 +334,7 @@ async function setupWebPackDevMiddleware(router) {
    pugRequireHandler = path => urljoin(httpRoot, 'static', path);
 }

-async function setupStaticMiddleware(router) {
+async function setupStaticMiddleware(router: express.Router) {
    const staticManifest = await fs.readJson(path.join(distPath, 'manifest.json'));

    if (staticUrl) {
@@ -353,7 +359,7 @@ async function setupStaticMiddleware(router) {
    };
 }

-function shouldRedactRequestData(data) {
+function shouldRedactRequestData(data: string) {
    try {
        const parsed = JSON.parse(data);
        return !parsed['allowStoreCodeDebug'];
@@ -364,14 +370,14 @@ function shouldRedactRequestData(data) {

 const googleShortUrlResolver = new ShortLinkResolver();

-function oldGoogleUrlHandler(req, res, next) {
+function oldGoogleUrlHandler(req: express.Request, res: express.Response, next: express.NextFunction) {
    const id = req.params.id;
    const googleUrl = `https://goo.gl/${encodeURIComponent(id)}`;
    googleShortUrlResolver
        .resolve(googleUrl)
        .then(resultObj => {
            const parsed = new url.URL(resultObj.longUrl);
-            const allowedRe = new RegExp(ceProps('allowedShortUrlHostRe'));
+            const allowedRe = new RegExp(ceProps<string>('allowedShortUrlHostRe'));
            if (parsed.host.match(allowedRe) === null) {
                logger.warn(`Denied access to short URL ${id} - linked to ${resultObj.longUrl}`);
                return next({
@@ -394,13 +400,13 @@ function oldGoogleUrlHandler(req, res, next) {
        });
 }

-function startListening(server) {
+function startListening(server: express.Express) {
    const ss = systemdSocket();
    let _port;
    if (ss) {
        // ms (5 min default)
        const idleTimeout = process.env.IDLE_TIMEOUT;
-        const timeout = (idleTimeout === undefined ? 300 : idleTimeout) * 1000;
+        const timeout = (idleTimeout === undefined ? 300 : parseInt(idleTimeout)) * 1000;
        if (idleTimeout) {
            const exit = () => {
                logger.info('Inactivity timeout reached, exiting.');
@@ -440,7 +446,7 @@ function startListening(server) {
    }
 }

-function setupSentry(sentryDsn) {
+function setupSentry(sentryDsn: string) {
    if (!sentryDsn) {
        logger.info('Not configuring sentry');
        return;
@@ -489,7 +495,7 @@ async function main() {
    let prevCompilers;

    if (opts.prediscovered) {
-        const prediscoveredCompilersJson = await fs.readFile(opts.prediscovered);
+        const prediscoveredCompilersJson = await fs.readFile(opts.prediscovered, 'utf8');
        initialCompilers = JSON.parse(prediscoveredCompilersJson);
        await compilerFinder.loadPrediscovered(initialCompilers);
    } else {
@@ -538,7 +544,7 @@ async function main() {
    };

    const noscriptHandler = new NoScriptHandler(router, handlerConfig);
-    const routeApi = new RouteAPI(router, handlerConfig, noscriptHandler.renderNoScriptLayout);
+    const routeApi = new RouteAPI(router, handlerConfig);

    async function onCompilerChange(compilers) {
        if (JSON.stringify(prevCompilers) === JSON.stringify(compilers)) {
@@ -616,7 +622,7 @@ async function main() {

    loadSiteTemplates(configDir);

-    function renderConfig(extra, urlOptions) {
+    function renderConfig(extra, urlOptions?) {
        const urlOptionsAllowed = ['readOnly', 'hideEditorToolbars', 'language'];
        const filteredUrlOptions = _.mapObject(_.pick(urlOptions, urlOptionsAllowed), val => utils.toProperty(val));
        const allExtraOptions = _.extend({}, filteredUrlOptions, extra);
@@ -667,7 +673,7 @@ async function main() {
        );
    }

-    const embeddedHandler = function (req, res) {
+    const embeddedHandler = function (req: express.Request, res: express.Response) {
        staticHeaders(res);
        contentPolicyHeader(res);
        res.render(
@@ -684,7 +690,7 @@ async function main() {

    await (isDevMode() ? setupWebPackDevMiddleware(router) : setupStaticMiddleware(router));

-    morgan.token('gdpr_ip', req => (req.ip ? utils.anonymizeIp(req.ip) : ''));
+    morgan.token('gdpr_ip', (req: any) => (req.ip ? utils.anonymizeIp(req.ip) : ''));

    // Based on combined format, but: GDPR compliant IP, no timestamp & no unused fields for our usecase
    const morganFormat = isDevMode() ? 'dev' : ':gdpr_ip ":method :url" :status';
@@ -837,14 +843,14 @@ process.on('SIGINT', signalHandler('SIGINT'));
 process.on('SIGTERM', signalHandler('SIGTERM'));
 process.on('SIGQUIT', signalHandler('SIGQUIT'));

-function signalHandler(name) {
+function signalHandler(name: string) {
    return () => {
        logger.info(`stopping process: ${name}`);
        process.exit(0);
    };
 }

-function uncaughtHandler(err, origin) {
+function uncaughtHandler(err: Error, origin: NodeJS.UncaughtExceptionOrigin) {
    logger.info(`stopping process: Uncaught exception: ${err}\nException origin: ${origin}`);
    // The app will exit naturally from here, but if we call `process.exit()` we may lose log lines.
    // see https://github.com/winstonjs/winston/issues/1504#issuecomment-1033087411
--- a/lib/common-utils.ts
+++ b/lib/common-utils.ts
@@ -55,3 +55,6 @@ export function basic_comparator<T>(a: T, b: T) {
        return 0;
    }
 }
+
+// https://stackoverflow.com/questions/41253310/typescript-retrieve-element-type-information-from-array-type
+export type ElementType<ArrayType extends readonly unknown[]> = ArrayType extends readonly (infer T)[] ? T : never;
--- a/lib/compiler-arguments.ts
+++ b/lib/compiler-arguments.ts
@@ -37,7 +37,7 @@ import {fileExists, resolvePathFromAppRoot} from './utils';

 export class CompilerArguments implements ICompilerArguments {
    private readonly compilerId: string;
-    private possibleArguments: PossibleArguments = {};
+    public possibleArguments: PossibleArguments = {};
    private readonly maxPopularArguments = 5;
    private readonly storeSpecificArguments = false;
    private loadedFromFile = false;
--- a/lib/handlers/api.ts
+++ b/lib/handlers/api.ts
@@ -55,7 +55,7 @@ export class ApiHandler {
    private usedLangIds: LanguageKey[] = [];
    private options: ClientOptionsHandler | null = null;
    public readonly handle: express.Router;
-    private readonly shortener: BaseShortener;
+    public readonly shortener: BaseShortener;
    private release = {
        gitReleaseName: '',
        releaseBuildNumber: '',
--- a/lib/handlers/noscript.ts
+++ b/lib/handlers/noscript.ts
@@ -51,7 +51,7 @@ export class NoScriptHandler {

    formDataParser: ReturnType<typeof bodyParser.urlencoded> | undefined;

-    /* the type for config makes the most sense to define in app.js or api.js */
+    /* the type for config makes the most sense to define in app.ts or api.ts */
    constructor(private readonly router: express.Router, config: any) {
        this.staticHeaders = config.staticHeaders;
        this.contentPolicyHeader = config.contentPolicyHeader;
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
        "@fortawesome/fontawesome-free": "^6.2.1",
        "@sentry/browser": "^7.28.1",
        "@sentry/node": "^7.28.1",
+        "@types/morgan": "^1.9.4",
        "aws-sdk": "^2.1048.0",
        "big-integer": "^1.6.51",
        "body-parser": "^1.19.1",
@@ -1916,6 +1917,14 @@
      "integrity": "sha512-ekGvFhFgrc2zYQoX4JeZPmVzZxw6Dtllga7iGHzfbYIYkAMUx/sAFP2GdFpLff+vdHXu5fl7WX9AT+TtqYcsyw==",
      "dev": true
    },
+    "node_modules/@types/morgan": {
+      "version": "1.9.4",
+      "resolved": "https://registry.npmjs.org/@types/morgan/-/morgan-1.9.4.tgz",
+      "integrity": "sha512-cXoc4k+6+YAllH3ZHmx4hf7La1dzUk6keTR4bF4b4Sc0mZxU/zK4wO7l+ZzezXm/jkYj/qC+uYGZrarZdIVvyQ==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
    "node_modules/@types/node": {
      "version": "18.11.18",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
@@ -16971,6 +16980,14 @@
      "integrity": "sha512-ekGvFhFgrc2zYQoX4JeZPmVzZxw6Dtllga7iGHzfbYIYkAMUx/sAFP2GdFpLff+vdHXu5fl7WX9AT+TtqYcsyw==",
      "dev": true
    },
+    "@types/morgan": {
+      "version": "1.9.4",
+      "resolved": "https://registry.npmjs.org/@types/morgan/-/morgan-1.9.4.tgz",
+      "integrity": "sha512-cXoc4k+6+YAllH3ZHmx4hf7La1dzUk6keTR4bF4b4Sc0mZxU/zK4wO7l+ZzezXm/jkYj/qC+uYGZrarZdIVvyQ==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
    "@types/node": {
      "version": "18.11.18",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
  "engines": {
    "node": ">=16"
  },
-  "main": "./app.js",
+  "main": "./app.ts",
  "esm": {
    "mode": "all",
    "cache": false
@@ -24,6 +24,7 @@
    "@fortawesome/fontawesome-free": "^6.2.1",
    "@sentry/browser": "^7.28.1",
    "@sentry/node": "^7.28.1",
+    "@types/morgan": "^1.9.4",
    "aws-sdk": "^2.1048.0",
    "big-integer": "^1.6.51",
    "body-parser": "^1.19.1",
@@ -100,8 +101,8 @@
    "@types/file-saver": "^2.0.5",
    "@types/fs-extra": "^9.0.13",
    "@types/http-proxy": "^1.17.9",
-    "@types/js-cookie": "^3.0.2",
    "@types/jquery": "^3.5.10",
+    "@types/js-cookie": "^3.0.2",
    "@types/mocha": "^8.2.2",
    "@types/node-targz": "^0.2.0",
    "@types/qs": "^6.9.7",
@@ -172,14 +173,14 @@
    "lint": "eslint --max-warnings=0 . --fix",
    "lint-check": "eslint --max-warnings=0 .",
    "lint-files": "eslint --max-warnings=0",
-    "test": "mocha -b -r ts-node/register 'test/**/*.ts' 'test/**/*.js'",
+    "test": "mocha -b -r ts-node/register 'test/**/*.ts' 'test/**/*.ts'",
    "test-min": "mocha -b --config .mocharc-min.yml",
    "fix": "npm run lint && npm run format && npm run ts-check",
    "check": "npm run ts-check && npm run lint-check && npm run test-min -- --reporter min",
-    "dev": "cross-env NODE_ENV=DEV node -r esm -r ts-node/register app.js",
-    "debugger": "cross-env NODE_ENV=DEV node --inspect -r esm -r ts-node/register app.js --debug",
-    "debug": "cross-env NODE_ENV=DEV node -r esm -r ts-node/register app.js --debug",
-    "start": "webpack && cross-env NODE_ENV=LOCAL node -r esm -r ts-node/register app.js",
+    "dev": "cross-env NODE_ENV=DEV node -r esm -r ts-node/register app.ts",
+    "debugger": "cross-env NODE_ENV=DEV node --inspect -r esm -r ts-node/register app.ts --debug",
+    "debug": "cross-env NODE_ENV=DEV node -r esm -r ts-node/register app.ts --debug",
+    "start": "webpack && cross-env NODE_ENV=LOCAL node -r esm -r ts-node/register app.ts",
    "codecov": "codecov --disable=gcov",
    "sentry": "npx -p @sentry/cli sentry-cli",
    "update-browserslist": "npx browserslist@latest -- --update-db",
--- a/tsconfig.backend.json
+++ b/tsconfig.backend.json
@@ -1,6 +1,6 @@
 {
  "extends": "./tsconfig.base.json",
-  "files": ["app.js", "compiler-args-app.ts"],
+  "files": ["app.ts", "compiler-args-app.ts"],
  "include": ["**/*.js", "**/*.ts"],
  "exclude": ["out", "test", "etc", "examples", "static", "**/*.d.ts"],
  "compilerOptions": {
--- a/tsconfig.frontend.json
+++ b/tsconfig.frontend.json
@@ -9,5 +9,5 @@
    "strictPropertyInitialization": false,
    "lib": ["dom", "es5", "dom.iterable"]
  },
-  "exclude": ["out", "test", "etc", "examples", "app.js", "compiler-args-app.ts", "lib", "examples"]
+  "exclude": ["out", "test", "etc", "examples", "app.ts", "compiler-args-app.ts", "lib", "examples"]
 }