chore: replace ts-node with tsx for running TypeScript

package.json

@@ -32,7 +32,7 @@
     "download-spec-tests": "pnpm -r download-spec-tests",
     "test:spec": "vitest run --project spec-minimal --project spec-mainnet",
     "benchmark": "pnpm benchmark:files 'packages/*/test/perf/**/*.test.ts'",
-    "benchmark:files": "NODE_OPTIONS='--max-old-space-size=8192 --loader=ts-node/esm' benchmark --config .benchrc.yaml --defaultBranch unstable",
+    "benchmark:files": "NODE_OPTIONS='--max-old-space-size=8192 --import tsx' benchmark --config .benchrc.yaml --defaultBranch unstable",
     "release:create-rc": "node scripts/release/create_rc.mjs",
     "release:tag-rc": "node scripts/release/tag_rc.mjs",
     "release:tag-stable": "node scripts/release/tag_stable.mjs",
@@ -65,7 +65,7 @@
     "prettier": "^3.2.5",
     "pretty-format": "^29.7.0",
     "semver": "^7.7.3",
-    "ts-node": "^11.0.0-beta.1",
+    "tsx": "^4.23.0",
     "typescript": "^6.0.1-rc",
     "vite": "^6.0.11",
     "vite-plugin-node-polyfills": "^0.24.0",

packages/api/package.json

@@ -71,7 +71,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/persistent-merkle-tree": "^1.2.5",

packages/beacon-node/package.json

@@ -99,13 +99,13 @@
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
     "test:sim": "vitest run test/sim/**/*.test.ts",
     "test:sim:blobs": "vitest run test/sim/4844-interop.test.ts",
-    "download-spec-tests": "node --loader=ts-node/esm test/spec/downloadTests.ts",
+    "download-spec-tests": "node --import tsx test/spec/downloadTests.ts",
     "test:spec:bls": "vitest run --project spec-minimal test/spec/bls/",
     "test:spec:general": "vitest run --project spec-minimal test/spec/general/",
     "test:spec:minimal": "vitest run --project spec-minimal test/spec/presets/",
     "test:spec:mainnet": "vitest run --project spec-mainnet test/spec/presets/",
     "test:spec": "pnpm test:spec:bls && pnpm test:spec:general && pnpm test:spec:minimal && pnpm test:spec:mainnet",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/as-sha256": "^1.2.0",

packages/beacon-node/test/scripts/blsPubkeyBytesFrequency.ts

@@ -9,7 +9,7 @@ import {newZeroedArray} from "@lodestar/state-transition";
 //
 // # How to use
 // ```
-// INFURA_ETH2_URL=https://someurl ../../node_modules/.bin/ts-node test/scripts/blsPubkeyBytesFrequency.ts collisions
+// INFURA_ETH2_URL=https://someurl ../../node_modules/.bin/tsx test/scripts/blsPubkeyBytesFrequency.ts collisions
 // ```
 // Available commands:
 // - `frequency`

packages/cli/docsgen/index.ts

@@ -8,7 +8,7 @@ import {renderCommandPage} from "./markdown.js";
 // Outputs a markdown format ready to be consumed
 //
 // Usage:
-// ts-node packages/cli/docsgen
+// tsx packages/cli/docsgen
 //
 // After generation the resulting .md files, they are written to the path expected
 // by the docusaurus index and other existing paths in the documentation

packages/cli/package.json

@@ -34,17 +34,17 @@
     "write-git-data": "node lib/util/gitData/writeGitData.js",
     "check-build": "node -e \"(async function() { await import('./lib/index.js') })()\" lodestar --help",
     "check-types": "tsgo",
-    "docs:build": "node --loader ts-node/esm ./docsgen/index.ts",
+    "docs:build": "node --import tsx ./docsgen/index.ts",
     "lint": "biome check src/ test/",
     "lint:fix": "pnpm run lint --write",
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
-    "test:sim:multifork": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --loader ts-node/esm test/sim/multiFork.test.ts",
-    "test:sim:mixedclient": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --loader ts-node/esm test/sim/mixedClient.test.ts",
-    "test:sim:endpoints": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --loader ts-node/esm test/sim/endpoints.test.ts",
-    "test:sim:backup_eth_provider": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --loader ts-node/esm test/sim/backupEthProvider.test.ts",
+    "test:sim:multifork": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --import tsx test/sim/multiFork.test.ts",
+    "test:sim:mixedclient": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --import tsx test/sim/mixedClient.test.ts",
+    "test:sim:endpoints": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --import tsx test/sim/endpoints.test.ts",
+    "test:sim:backup_eth_provider": "LODESTAR_PRESET=minimal DOTENV_CONFIG_PATH=../../.env.test node -r dotenv/config --import tsx test/sim/backupEthProvider.test.ts",
     "test": "pnpm test:unit && pnpm test:e2e",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",

packages/config/package.json

@@ -52,7 +52,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "pnpm vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",

packages/db/package.json

@@ -40,7 +40,7 @@
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:e2e": "vitest run --project e2e",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/ssz": "^1.4.0",

packages/era/package.json

@@ -36,7 +36,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/blst": "^2.2.0",

packages/fork-choice/package.json

@@ -36,7 +36,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/ssz": "^1.4.0",

packages/logger/package.json

@@ -63,7 +63,7 @@
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:browsers": "vitest run --project browser",
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "types": "lib/index.d.ts",
   "dependencies": {

packages/params/package.json

@@ -54,7 +54,7 @@
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:browsers": "vitest run --project browser",
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",

packages/params/test/e2e/overridePreset.test.ts

@@ -9,25 +9,25 @@ const scriptNames = {
   error: "overridePresetError.ts",
 };
 
-const exec = util.promisify(child.exec);
+const execFile = util.promisify(child.execFile);
 
 // Global variable __dirname no longer available in ES6 modules.
 // Solutions: https://stackoverflow.com/questions/46745014/alternative-for-dirname-in-node-js-when-using-es6-modules
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 describe("Override preset", () => {
-  // Allow time for ts-node to compile Typescript source
+  // Allow time for tsx to compile Typescript source
   vi.setConfig({testTimeout: 30_000});
 
   it("Should correctly override preset", async () => {
     // `LODESTAR_PRESET` must not be set to properly test preset override
     if (process.env.LODESTAR_PRESET) delete process.env.LODESTAR_PRESET;
 
-    await exec(`node --loader ts-node/esm ${path.join(__dirname, scriptNames.ok)}`);
+    await execFile("node", ["--import", "tsx", path.join(__dirname, scriptNames.ok)]);
   });
 
   it("Should throw trying to override preset in the wrong order", async () => {
-    await expect(exec(`node --loader ts-node/esm ${path.join(__dirname, scriptNames.error)}`)).rejects.toThrow(
+    await expect(execFile("node", ["--import", "tsx", path.join(__dirname, scriptNames.error)])).rejects.toThrow(
       "Lodestar preset is already frozen"
     );
   });

packages/params/test/e2e/setPreset.test.ts

@@ -9,25 +9,25 @@ const scriptNames = {
   error: "setPresetError.ts",
 };
 
-const exec = util.promisify(child.exec);
+const execFile = util.promisify(child.execFile);
 
 // Global variable __dirname no longer available in ES6 modules.
 // Solutions: https://stackoverflow.com/questions/46745014/alternative-for-dirname-in-node-js-when-using-es6-modules
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 describe("setPreset", () => {
-  // Allow time for ts-node to compile Typescript source
+  // Allow time for tsx to compile Typescript source
   vi.setConfig({testTimeout: 30_000});
 
   it("Should correctly set preset", async () => {
     // `LODESTAR_PRESET` must not be set to properly test setting preset
     if (process.env.LODESTAR_PRESET) delete process.env.LODESTAR_PRESET;
 
-    await exec(`node --loader ts-node/esm ${path.join(__dirname, scriptNames.ok)}`);
+    await execFile("node", ["--import", "tsx", path.join(__dirname, scriptNames.ok)]);
   });
 
   it("Should throw trying to set preset in the wrong order", async () => {
-    await expect(exec(`node --loader ts-node/esm ${path.join(__dirname, scriptNames.error)}`)).rejects.toThrow(
+    await expect(execFile("node", ["--import", "tsx", path.join(__dirname, scriptNames.error)])).rejects.toThrow(
       "Lodestar preset is already frozen"
     );
   });

packages/reqresp/package.json

@@ -41,7 +41,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "dependencies": {
     "@chainsafe/fast-crc32c": "^4.2.0",

packages/spec-test-util/package.json

@@ -46,7 +46,7 @@
     "test": "pnpm test:unit && pnpm test:e2e",
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",

packages/spec-test-util/src/downloadTestsCli.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env ts-node
+#!/usr/bin/env node
 
 import {downloadTests} from "./downloadTests.js";
 

packages/state-transition/package.json

@@ -61,7 +61,7 @@
     "lint:fix": "pnpm run lint --write",
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "types": "lib/index.d.ts",
   "dependencies": {

packages/state-transition/test/perf/analyzeEpochs.ts

@@ -20,7 +20,7 @@ import {csvAppend, readCsv} from "./csv.js";
 // To run do:
 //
 // ```
-// NETWORK=mainnet node_modules/.bin/ts-node packages/state-transition/test/perf/analyzeEpochs.ts
+// NETWORK=mainnet node_modules/.bin/tsx packages/state-transition/test/perf/analyzeEpochs.ts
 // ```
 //
 // Example of output CSV

packages/test-utils/package.json

@@ -37,7 +37,7 @@
     "lint": "biome check src/",
     "lint:fix": "pnpm run lint --write",
     "test:unit": "echo 'No unit tests for @lodestar/test-utils'",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",

packages/test-utils/src/cli.ts

@@ -59,14 +59,14 @@ export async function runCliCommand<T>(
 export function execCliCommand(
   command: string,
   args: string[],
-  opts?: ExecChildProcessOptions & {runWith?: "node" | "ts-node"}
+  opts?: ExecChildProcessOptions & {runWith?: "node" | "tsx"}
 ): Promise<string> {
   const commandPrefixed = nodeJsBinaryPath;
 
   const argsPrefixed =
-    opts?.runWith === "ts-node"
-      ? // node --loader ts-node/esm cli.ts
-        ["--loader", "ts-node/esm", repoRootPath(command), ...args]
+    opts?.runWith === "tsx"
+      ? // node --import tsx cli.ts
+        ["--import", "tsx", repoRootPath(command), ...args]
       : // node cli.js
         [repoRootPath(command), ...args];
 
@@ -84,14 +84,14 @@ export function execCliCommand(
 export async function spawnCliCommand(
   command: string,
   args: string[],
-  opts?: SpawnChildProcessOptions & {runWith?: "node" | "ts-node"}
+  opts?: SpawnChildProcessOptions & {runWith?: "node" | "tsx"}
 ): Promise<childProcess.ChildProcessWithoutNullStreams> {
   const commandPrefixed = nodeJsBinaryPath;
 
   const argsPrefixed =
-    opts?.runWith === "ts-node"
-      ? // node --loader ts-node/esm cli.ts
-        ["--loader", "ts-node/esm", repoRootPath(command), ...args]
+    opts?.runWith === "tsx"
+      ? // node --import tsx cli.ts
+        ["--import", "tsx", repoRootPath(command), ...args]
       : // node cli.js
         [repoRootPath(command), ...args];
 

packages/types/package.json

@@ -77,7 +77,7 @@
     "test": "pnpm test:unit",
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:browsers": "vitest run --project browser",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "types": "lib/index.d.ts",
   "dependencies": {

packages/utils/package.json

@@ -42,7 +42,7 @@
     "lint:fix": "pnpm run lint --write",
     "test:unit": "vitest run --project unit --project unit-minimal",
     "test:browsers": "vitest run --project browser",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "types": "lib/index.d.ts",
   "dependencies": {

packages/validator/package.json

@@ -34,8 +34,8 @@
     "test": "pnpm test:unit && pnpm test:e2e",
     "test:spec": "vitest run --project spec-minimal",
     "test:e2e": "vitest run --project e2e --project e2e-mainnet",
-    "download-spec-tests": "node --loader=ts-node/esm test/spec/downloadTests.ts",
-    "check-readme": "pnpm exec ts-node ../../scripts/check_readme.ts"
+    "download-spec-tests": "node --import tsx test/spec/downloadTests.ts",
+    "check-readme": "pnpm exec tsx ../../scripts/check_readme.ts"
   },
   "repository": {
     "type": "git",