Merge pull request #41 from DeterminateSystems/detsys-ts

Rebase on detsys-ts and get rid of bun

.eslintrc.json

@@ -0,0 +1,73 @@
+{
+  "plugins": ["@typescript-eslint"],
+  "extends": ["plugin:github/recommended"],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 9,
+    "sourceType": "module",
+    "project": "./tsconfig.json"
+  },
+  "settings": {
+    "import/resolver": {
+      "typescript": {}
+    }
+  },
+  "rules": {
+    "i18n-text/no-en": "off",
+    "eslint-comments/no-use": "off",
+    "import/no-namespace": "off",
+    "no-unused-vars": "off",
+    "@typescript-eslint/no-unused-vars": [
+      "error",
+      {
+        "argsIgnorePattern": "^_"
+      }
+    ],
+    "@typescript-eslint/explicit-member-accessibility": [
+      "error",
+      {
+        "accessibility": "no-public"
+      }
+    ],
+    "@typescript-eslint/no-require-imports": "error",
+    "@typescript-eslint/array-type": "error",
+    "@typescript-eslint/await-thenable": "error",
+    "@typescript-eslint/ban-ts-comment": "error",
+    "camelcase": "off",
+    "@typescript-eslint/consistent-type-assertions": "error",
+    "@typescript-eslint/explicit-function-return-type": [
+      "error",
+      {
+        "allowExpressions": true
+      }
+    ],
+    "@typescript-eslint/func-call-spacing": ["error", "never"],
+    "@typescript-eslint/no-array-constructor": "error",
+    "@typescript-eslint/no-empty-interface": "error",
+    "@typescript-eslint/no-explicit-any": "error",
+    "@typescript-eslint/no-floating-promises": "error",
+    "@typescript-eslint/no-extraneous-class": "error",
+    "@typescript-eslint/no-for-in-array": "error",
+    "@typescript-eslint/no-inferrable-types": "error",
+    "@typescript-eslint/no-misused-new": "error",
+    "@typescript-eslint/no-namespace": "error",
+    "@typescript-eslint/no-non-null-assertion": "warn",
+    "@typescript-eslint/no-unnecessary-qualifier": "error",
+    "@typescript-eslint/no-unnecessary-type-assertion": "error",
+    "@typescript-eslint/no-useless-constructor": "error",
+    "@typescript-eslint/no-var-requires": "error",
+    "@typescript-eslint/prefer-for-of": "warn",
+    "@typescript-eslint/prefer-function-type": "warn",
+    "@typescript-eslint/prefer-includes": "error",
+    "@typescript-eslint/prefer-string-starts-ends-with": "error",
+    "@typescript-eslint/promise-function-async": "error",
+    "@typescript-eslint/require-array-sort-compare": "error",
+    "@typescript-eslint/restrict-plus-operands": "error",
+    "@typescript-eslint/type-annotation-spacing": "error",
+    "@typescript-eslint/unbound-method": "error"
+  },
+  "env": {
+    "node": true,
+    "es6": true
+  }
+}

.github/workflows/ci.yml

@@ -13,27 +13,23 @@ jobs:
       - uses: actions/checkout@v3
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
-      - name: Record existing bundle hash
-        run: |
-          echo "BUNDLE_HASH=$(sha256sum <dist/index.js | sed 's/  -//')" >>$GITHUB_ENV
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check shell scripts
         run: |
           nix develop --command shellcheck ./.github/workflows/cache-test.sh
-      - name: Build action
-        run: |
-          nix develop --command just build
-      - name: Check bundle consistency
-        run: |
-          NEW_BUNDLE_HASH=$(sha256sum <dist/index.js | sed 's/  -//')
-          if [[ "$BUNDLE_HASH" != "$NEW_BUNDLE_HASH" ]]; then
-            >&2 echo "The committed dist/index.js is out-of-date!"
-            >&2 echo
-            >&2 echo "    Committed: $BUNDLE_HASH"
-            >&2 echo "        Built: $NEW_BUNDLE_HASH"
-            >&2 echo
-            >&2 echo 'Run `just build` then commit the resulting dist/index.js'
-            exit 1
-          fi
+      - uses: DeterminateSystems/nix-installer-action@main
+      - name: Install pnpm dependencies
+        run: nix develop --command pnpm install
+      - name: Check formatting
+        run: nix develop --command pnpm run format
+      - name: Lint
+        run: nix develop --command pnpm run lint
+      - name: Build
+        run: nix develop --command pnpm run build
+      - name: Package
+        run: nix develop --command pnpm run package
+      - run: git status --porcelain=v1
+      - run: test $(git status --porcelain=v1 2>/dev/null | wc -l) -eq 0
 
   run-x86_64-linux:
     name: Run x86_64 Linux

dist/index.d.ts

@@ -0,0 +1 @@
+export {};

dist/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

flake.nix

@@ -18,11 +18,12 @@
       devShells = forAllSystems ({ pkgs }: {
         default = pkgs.mkShell {
           packages = with pkgs; [
-            bun
             jq
-            act
-            just
             shellcheck
+            nodejs_latest
+            nixpkgs-fmt
+            nodePackages_latest.pnpm
+            nodePackages_latest.typescript-language-server
           ];
         };
       });

justfile

@@ -1,21 +0,0 @@
-# A creds.json can be specified to test auto-caching locally.
-# See <https://github.com/DeterminateSystems/magic-nix-cache> for
-# instructions on how to obtain this file.
-github_creds_json := env_var_or_default('GITHUB_CREDS_JSON', '')
-
-# List available recipes
-default:
-  @just --list --unsorted --justfile {{justfile()}}
-
-# Install dependencies
-install:
-  bun i --no-summary --ignore-scripts
-
-# Build the action
-build: install
-  bun run build
-
-# Run CI locally
-act job='run-x86_64-linux': build
-  act -j {{job}} -P ubuntu-22.04=catthehacker/ubuntu:act-22.04 \
-    {{ if github_creds_json != '' { "--env-file <(jq -r '. | to_entries[] | .key + \"=\" + .value' " + github_creds_json + ")" } else { '' } }}

package.json

@@ -1,25 +1,52 @@
 {
-  "name": "magic-nix-cache",
+  "name": "magic-nix-cache-action",
   "version": "1.0.0",
   "description": "",
+  "main": "./dist/index.js",
+  "types": "./dist/index.d.ts",
   "type": "module",
-  "main": "dist/index.js",
   "scripts": {
-    "build": "rollup -c"
+    "build": "tsc",
+    "format": "prettier --write .",
+    "lint": "eslint src/**/*.ts",
+    "package": "ncc build",
+    "all": "pnpm run format && pnpm run lint && pnpm run build && pnpm run package"
   },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/DeterminateSystems/magic-nix-cache-action.git"
+  },
+  "keywords": [],
+  "author": "",
   "license": "LGPL",
+  "bugs": {
+    "url": "https://github.com/DeterminateSystems/magic-nix-cache-action/issues"
+  },
+  "homepage": "https://github.com/DeterminateSystems/magic-nix-cache-action#readme",
   "dependencies": {
-    "@actions/core": "^1.10.0",
-    "got": "^12.6.0",
-    "tail": "^2.2.6",
-    "tslib": "^2.5.2"
+    "@actions/core": "^1.10.1",
+    "@actions/exec": "^1.1.1",
+    "@actions/github": "^5.1.1",
+    "@actions/tool-cache": "^2.0.1",
+    "detsys-ts": "github:DeterminateSystems/detsys-ts#mnc-nits",
+    "fetch-retry": "^5.0.6",
+    "got": "^14.2.1",
+    "string-argv": "^0.3.2",
+    "tail": "^2.2.6"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^25.0.0",
-    "@rollup/plugin-node-resolve": "^15.0.2",
-    "@rollup/plugin-typescript": "^11.1.1",
-    "@types/node": "^20.11.17",
-    "rollup": "^3.22.0",
-    "typescript": "^5.0.4"
+    "@trivago/prettier-plugin-sort-imports": "^4.3.0",
+    "@types/node": "^20.12.7",
+    "@types/tail": "^2.2.3",
+    "@types/uuid": "^9.0.8",
+    "@typescript-eslint/eslint-plugin": "^7.6.0",
+    "@vercel/ncc": "^0.38.1",
+    "eslint": "^8.57.0",
+    "eslint-import-resolver-typescript": "^3.6.1",
+    "eslint-plugin-github": "^4.10.2",
+    "eslint-plugin-import": "^2.29.1",
+    "eslint-plugin-prettier": "^5.1.3",
+    "prettier": "^3.2.5",
+    "typescript": "^5.4.5"
   }
 }

rollup.config.js

@@ -1,47 +0,0 @@
-import * as path from 'node:path';
-import { fileURLToPath } from 'node:url';
-
-import typescript from '@rollup/plugin-typescript';
-import { nodeResolve } from '@rollup/plugin-node-resolve';
-import commonjs from '@rollup/plugin-commonjs';
-
-const nodeModules = path.dirname(fileURLToPath(import.meta.url)) + '/node_modules';
-
-export default {
-  input: './src/index.ts',
-  output: {
-    file: './dist/index.js',
-    format: 'es',
-  },
-  plugins: [
-    typescript({
-      noEmitOnError: true,
-    }),
-    nodeResolve({
-      exportConditions: ['node', 'default', 'module', 'require'],
-    }),
-    commonjs(),
-  ],
-  onwarn(warning, warn) {
-    const allowlist = {
-      'CIRCULAR_DEPENDENCY': [
-        // core.ts -> oidc-utils.ts -> core.ts
-        nodeModules + '/@actions/core/lib/',
-      ],
-      'THIS_IS_UNDEFINED': [
-        // __classPrivateField{Get,Set} generated by TypeScript
-        nodeModules + '/form-data-encoder/lib/',
-      ],
-    };
-
-    if (allowlist.hasOwnProperty(warning.code)) {
-      for (const exception of allowlist[warning.code]) {
-        const ids = warning.ids || [ warning.id ];
-        if (ids.filter(p => !p.startsWith(exception)).length === 0) {
-          return;
-        }
-      }
-    }
-    warn(warning);
-  },
-};

src/index.ts

@@ -1,94 +1,69 @@
-// Main
+import * as fs from "node:fs/promises";
+import * as os from "node:os";
+import * as path from "node:path";
+import { spawn, exec, SpawnOptions } from "node:child_process";
+import { openSync, readFileSync } from "node:fs";
+import { inspect, promisify } from "node:util";
+import * as http from "http";
 
-import * as fs from 'node:fs/promises';
-import * as os from 'node:os';
-import * as path from 'node:path';
-import { spawn, exec, SpawnOptions } from 'node:child_process';
-import { openSync, readFileSync } from 'node:fs';
-import { inspect, promisify } from 'node:util';
-import * as http from 'http';
-
-import * as core from '@actions/core';
-import { Tail } from 'tail';
+import * as core from "@actions/core";
+import { Tail } from "tail";
 import got from "got";
+import { IdsToolbox } from "detsys-ts";
 
-const ENV_CACHE_DAEMONDIR = 'MAGIC_NIX_CACHE_DAEMONDIR';
+const ENV_CACHE_DAEMONDIR = "MAGIC_NIX_CACHE_DAEMONDIR";
 
 const gotClient = got.extend({
   retry: {
     limit: 1,
-    methods: [ 'POST', 'GET', 'PUT', 'HEAD', 'DELETE', 'OPTIONS', 'TRACE' ],
+    methods: ["POST", "GET", "PUT", "HEAD", "DELETE", "OPTIONS", "TRACE"],
   },
   hooks: {
     beforeRetry: [
       (error, retryCount) => {
         core.info(`Retrying after error ${error.code}, retry #: ${retryCount}`);
-      }
+      },
     ],
   },
 });
 
-
-function getCacherUrl() : string {
-  const runnerArch = process.env.RUNNER_ARCH;
-  const runnerOs = process.env.RUNNER_OS;
-  const binarySuffix = `${runnerArch}-${runnerOs}`;
-  const urlPrefix = `https://install.determinate.systems/magic-nix-cache-closure`;
-  if (core.getInput('source-url')) {
-    return core.getInput('source-url');
-  }
-
-  if (core.getInput('source-tag')) {
-    return `${urlPrefix}/tag/${core.getInput('source-tag')}/${binarySuffix}`;
-  }
-
-  if (core.getInput('source-pr')) {
-    return `${urlPrefix}/pr/${core.getInput('source-pr')}/${binarySuffix}`;
-  }
-
-  if (core.getInput('source-branch')) {
-    return `${urlPrefix}/branch/${core.getInput('source-branch')}/${binarySuffix}`;
-  }
-
-  if (core.getInput('source-revision')) {
-    return `${urlPrefix}/rev/${core.getInput('source-revision')}/${binarySuffix}`;
-  }
-
-  return `${urlPrefix}/stable/${binarySuffix}`;
-}
-
-async function fetchAutoCacher() {
-  const binary_url = getCacherUrl();
-  core.info(`Fetching the Magic Nix Cache from ${binary_url}`);
-
-  const { stdout } = await promisify(exec)(`curl -L "${binary_url}" | xz -d | nix-store --import`);
+async function fetchAutoCacher(toolbox: IdsToolbox): Promise<string> {
+  const closurePath = await toolbox.fetch();
+  toolbox.recordEvent("load_closure");
+  const { stdout } = await promisify(exec)(
+    `cat "${closurePath}" | xz -d | nix-store --import`,
+  );
 
   const paths = stdout.split(os.EOL);
-
   // Since the export is in reverse topologically sorted order, magic-nix-cache is always the penultimate entry in the list (the empty string left by split being the last).
   const last_path = paths.at(-2);
-
   return `${last_path}/bin/magic-nix-cache`;
 }
 
-function tailLog(daemonDir) {
-  const log = new Tail(path.join(daemonDir, 'daemon.log'));
+function tailLog(daemonDir: string): Tail {
+  const log = new Tail(path.join(daemonDir, "daemon.log"));
   core.debug(`tailing daemon.log...`);
-  log.on('line', (line) => {
+  log.on("line", (line) => {
     core.info(line);
   });
   return log;
 }
 
-async function setUpAutoCache() {
-  const tmpdir = process.env['RUNNER_TEMP'] || os.tmpdir();
-  const required_env = ['ACTIONS_CACHE_URL', 'ACTIONS_RUNTIME_URL', 'ACTIONS_RUNTIME_TOKEN'];
+async function setUpAutoCache(toolbox: IdsToolbox): Promise<void> {
+  const tmpdir = process.env["RUNNER_TEMP"] || os.tmpdir();
+  const required_env = [
+    "ACTIONS_CACHE_URL",
+    "ACTIONS_RUNTIME_URL",
+    "ACTIONS_RUNTIME_TOKEN",
+  ];
 
-  var anyMissing = false;
+  let anyMissing = false;
   for (const n of required_env) {
     if (!process.env.hasOwnProperty(n)) {
       anyMissing = true;
-      core.warning(`Disabling automatic caching since required environment ${n} isn't available`);
+      core.warning(
+        `Disabling automatic caching since required environment ${n} isn't available`,
+      );
     }
   }
 
@@ -96,37 +71,37 @@ async function setUpAutoCache() {
     return;
   }
 
-  core.debug(`GitHub Action Cache URL: ${process.env['ACTIONS_CACHE_URL']}`);
+  core.debug(`GitHub Action Cache URL: ${process.env["ACTIONS_CACHE_URL"]}`);
 
-  const daemonDir = await fs.mkdtemp(path.join(tmpdir, 'magic-nix-cache-'));
+  const daemonDir = await fs.mkdtemp(path.join(tmpdir, "magic-nix-cache-"));
 
-  var daemonBin: string;
-  if (core.getInput('source-binary')) {
-    daemonBin = core.getInput('source-binary');
+  let daemonBin: string;
+  if (core.getInput("source-binary")) {
+    daemonBin = core.getInput("source-binary");
   } else {
-    daemonBin = await fetchAutoCacher();
+    daemonBin = await fetchAutoCacher(toolbox);
   }
 
-  var runEnv;
+  let runEnv;
   if (core.isDebug()) {
     runEnv = {
       RUST_LOG: "trace,magic_nix_cache=debug,gha_cache=debug",
       RUST_BACKTRACE: "full",
-      ...process.env
+      ...process.env,
     };
   } else {
     runEnv = process.env;
   }
 
-  const notifyPort = core.getInput('startup-notification-port');
+  const notifyPort = core.getInput("startup-notification-port");
 
   const notifyPromise = new Promise<Promise<void>>((resolveListening) => {
     const promise = new Promise<void>(async (resolveQuit) => {
       const notifyServer = http.createServer((req, res) => {
-        if (req.method === 'POST' && req.url === '/') {
+        if (req.method === "POST" && req.url === "/") {
           core.debug(`Notify server shutting down.`);
-          res.writeHead(200, { 'Content-Type': 'application/json' });
-          res.end('{}');
+          res.writeHead(200, { "Content-Type": "application/json" });
+          res.end("{}");
           notifyServer.close(() => {
             resolveQuit();
           });
@@ -142,33 +117,44 @@ async function setUpAutoCache() {
 
   // Start tailing the daemon log.
   const outputPath = `${daemonDir}/daemon.log`;
-  const output = openSync(outputPath, 'a');
+  const output = openSync(outputPath, "a");
   const log = tailLog(daemonDir);
   const netrc = await netrcPath();
   const nixConfPath = `${process.env["HOME"]}/.config/nix/nix.conf`;
 
   const daemonCliFlags: string[] = [
-    '--startup-notification-url', `http://127.0.0.1:${notifyPort}`,
-    '--listen', core.getInput('listen'),
-    '--upstream', core.getInput('upstream-cache'),
-    '--diagnostic-endpoint', core.getInput('diagnostic-endpoint'),
-    '--nix-conf', nixConfPath
-  ].concat(
-    core.getBooleanInput('use-flakehub') ? [
-      '--use-flakehub',
-      '--flakehub-cache-server', core.getInput('flakehub-cache-server'),
-      '--flakehub-api-server', core.getInput('flakehub-api-server'),
-      '--flakehub-api-server-netrc', netrc,
-      '--flakehub-flake-name', core.getInput('flakehub-flake-name'),
-    ] : []).concat(
-      core.getBooleanInput('use-gha-cache') ? [
-        '--use-gha-cache'
-      ] : []);
+    "--startup-notification-url",
+    `http://127.0.0.1:${notifyPort}`,
+    "--listen",
+    core.getInput("listen"),
+    "--upstream",
+    core.getInput("upstream-cache"),
+    "--diagnostic-endpoint",
+    core.getInput("diagnostic-endpoint"),
+    "--nix-conf",
+    nixConfPath,
+  ]
+    .concat(
+      core.getBooleanInput("use-flakehub")
+        ? [
+            "--use-flakehub",
+            "--flakehub-cache-server",
+            core.getInput("flakehub-cache-server"),
+            "--flakehub-api-server",
+            core.getInput("flakehub-api-server"),
+            "--flakehub-api-server-netrc",
+            netrc,
+            "--flakehub-flake-name",
+            core.getInput("flakehub-flake-name"),
+          ]
+        : [],
+    )
+    .concat(core.getBooleanInput("use-gha-cache") ? ["--use-gha-cache"] : []);
 
   const opts: SpawnOptions = {
-    stdio: ['ignore', output, output],
+    stdio: ["ignore", output, output],
     env: runEnv,
-    detached: true
+    detached: true,
   };
 
   // Display the final command for debugging purposes
@@ -178,16 +164,22 @@ async function setUpAutoCache() {
   // Start the server. Once it is ready, it will notify us via the notification server.
   const daemon = spawn(daemonBin, daemonCliFlags, opts);
 
-  const pidFile = path.join(daemonDir, 'daemon.pid');
+  const pidFile = path.join(daemonDir, "daemon.pid");
   await fs.writeFile(pidFile, `${daemon.pid}`);
 
   core.info("Waiting for magic-nix-cache to start...");
 
   await new Promise<void>((resolve, reject) => {
-    notifyPromise.then((value) => {
+    notifyPromise
+      // eslint-disable-next-line github/no-then
+      .then((_value) => {
         resolve();
+      })
+      // eslint-disable-next-line github/no-then
+      .catch((err) => {
+        reject(new Error(`error in notifyPromise: ${err}`));
       });
-    daemon.on('exit', async (code, signal) => {
+    daemon.on("exit", async (code, signal) => {
       if (signal) {
         reject(new Error(`Daemon was killed by signal ${signal}`));
       } else if (code) {
@@ -200,13 +192,13 @@ async function setUpAutoCache() {
 
   daemon.unref();
 
-  core.info('Launched Magic Nix Cache');
+  core.info("Launched Magic Nix Cache");
   core.exportVariable(ENV_CACHE_DAEMONDIR, daemonDir);
 
   log.unwatch();
 }
 
-async function notifyAutoCache() {
+async function notifyAutoCache(): Promise<void> {
   const daemonDir = process.env[ENV_CACHE_DAEMONDIR];
 
   if (!daemonDir) {
@@ -215,9 +207,10 @@ async function notifyAutoCache() {
 
   try {
     core.debug(`Indicating workflow start`);
-    const res: any = await gotClient.post(`http://${core.getInput('listen')}/api/workflow-start`).json();
-    core.debug(`back from post`);
-    core.debug(res);
+    const res: Response = await gotClient
+      .post(`http://${core.getInput("listen")}/api/workflow-start`)
+      .json();
+    core.debug(`back from post: ${res}`);
   } catch (e) {
     core.info(`Error marking the workflow as started:`);
     core.info(inspect(e));
@@ -225,26 +218,31 @@ async function notifyAutoCache() {
   }
 }
 
-
-async function netrcPath() {
-  const expectedNetrcPath = path.join(process.env['RUNNER_TEMP'], 'determinate-nix-installer-netrc')
+async function netrcPath(): Promise<string> {
+  const expectedNetrcPath = path.join(
+    process.env["RUNNER_TEMP"] || os.tmpdir(),
+    "determinate-nix-installer-netrc",
+  );
   try {
-    await fs.access(expectedNetrcPath)
+    await fs.access(expectedNetrcPath);
     return expectedNetrcPath;
   } catch {
     // `nix-installer` was not used, the user may be registered with FlakeHub though.
-    const destinedNetrcPath = path.join(process.env['RUNNER_TEMP'], 'magic-nix-cache-netrc')
+    const destinedNetrcPath = path.join(
+      process.env["RUNNER_TEMP"] || os.tmpdir(),
+      "magic-nix-cache-netrc",
+    );
     try {
       await flakehub_login(destinedNetrcPath);
     } catch (e) {
       core.info("FlakeHub cache disabled.");
-      core.debug(`Error while logging into FlakeHub: ${e}`)
+      core.debug(`Error while logging into FlakeHub: ${e}`);
     }
     return destinedNetrcPath;
   }
 }
 
-async function flakehub_login(netrc: string) {
+async function flakehub_login(netrc: string): Promise<void> {
   const jwt = await core.getIDToken("api.flakehub.com");
 
   await fs.writeFile(
@@ -259,16 +257,16 @@ async function flakehub_login(netrc: string) {
   core.info("Logged in to FlakeHub.");
 }
 
-async function tearDownAutoCache() {
+async function tearDownAutoCache(): Promise<void> {
   const daemonDir = process.env[ENV_CACHE_DAEMONDIR];
 
   if (!daemonDir) {
-    core.debug('magic-nix-cache not started - Skipping');
+    core.debug("magic-nix-cache not started - Skipping");
     return;
   }
 
-  const pidFile = path.join(daemonDir, 'daemon.pid');
-  const pid = parseInt(await fs.readFile(pidFile, { encoding: 'ascii' }));
+  const pidFile = path.join(daemonDir, "daemon.pid");
+  const pid = parseInt(await fs.readFile(pidFile, { encoding: "ascii" }));
   core.debug(`found daemon pid: ${pid}`);
   if (!pid) {
     throw new Error("magic-nix-cache did not start successfully");
@@ -278,9 +276,10 @@ async function tearDownAutoCache() {
 
   try {
     core.debug(`about to post to localhost`);
-    const res: any = await gotClient.post(`http://${core.getInput('listen')}/api/workflow-finish`).json();
-    core.debug(`back from post`);
-    core.debug(res);
+    const res: Response = await gotClient
+      .post(`http://${core.getInput("listen")}/api/workflow-finish`)
+      .json();
+    core.debug(`back from post: ${res}`);
   } finally {
     core.debug(`unwatching the daemon log`);
     log.unwatch();
@@ -288,40 +287,32 @@ async function tearDownAutoCache() {
 
   core.debug(`killing`);
   try {
-    process.kill(pid, 'SIGTERM');
+    process.kill(pid, "SIGTERM");
   } catch (e) {
-    if (e.code !== 'ESRCH') {
+    if (typeof e === "object" && e && "code" in e && e.code !== "ESRCH") {
       throw e;
     }
   } finally {
     if (core.isDebug()) {
       core.info("Entire log:");
-      const log = readFileSync(path.join(daemonDir, 'daemon.log'));
-      core.info(log.toString());
+      const entireLog = readFileSync(path.join(daemonDir, "daemon.log"));
+      core.info(entireLog.toString());
     }
   }
 }
 
-const isPost = !!process.env['STATE_isPost'];
+const idslib = new IdsToolbox({
+  name: "magic-nix-cache",
+  fetchStyle: "gh-env-style",
+  idsProjectName: "magic-nix-cache-closure",
+});
 
-try {
-  if (!isPost) {
-    core.saveState('isPost', 'true');
-    await setUpAutoCache();
+idslib.onMain(async () => {
+  await setUpAutoCache(idslib);
   await notifyAutoCache();
-  } else {
+});
+idslib.onPost(async () => {
   await tearDownAutoCache();
-  }
-} catch (e) {
-  core.info(`got an exception:`);
-  core.info(e);
+});
 
-  if (!isPost) {
-    core.setFailed(e.message);
-    throw e;
-  } else {
-    core.info("not considering this a failure: finishing the upload is optional, anyway.");
-    process.exit();
-  }}
-
-core.debug(`rip`);
+idslib.execute();

tsconfig.json

@@ -1,8 +1,15 @@
 {
   "compilerOptions": {
-    "target": "es2020",
-    "module": "es2020",
-    "noUnusedLocals": true
+    "target": "ES2020" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "Node16",
+    "moduleResolution": "NodeNext",
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true /* Enable all strict type-checking options. */,
+    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "resolveJsonModule": true,
+    "declaration": true
   },
-  "include": ["src/**/*"]
+  "exclude": ["node_modules", "**/*.test.ts", "dist"]
 }