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TypeError: value.replace is not a function on yarn 4.5.1, Node.js v20.13.1 #2141
Description
Search Terms
Expected Behavior
I expect ts-node to run src/index.ts without errors
Actual Behavior
yarn run dotenv -e ../web/.env.local -- ts-node src/index.ts
/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/util.js:62
return value.replace(backslashRegExp, directorySeparator);
^
TypeError: value.replace is not a function
at normalizeSlashes (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/util.js:62:18)
at Object.getExtendsConfigPath (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/ts-internals.js:24:54)
at readConfig (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/configuration.js:127:64)
at findAndReadConfig (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/configuration.js:50:84)
at phase3 (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/bin.js:254:67)
at bootstrap (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/bin.js:47:30)
at main (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/bin.js:33:12)
at Object.<anonymous> (/home/ridhwaans/Source/test/.yarn/__virtual__/ts-node-virtual-c211acd0da/3/.yarn/berry/cache/ts-node-npm-10.9.2-3f3890b9ac-10c0.zip/node_modules/ts-node/dist/bin.js:579:5)
at Module._compile (node:internal/modules/cjs/loader:1358:14)
at Module._extensions..js (node:internal/modules/cjs/loader:1416:10)
Node.js v20.13.1
Steps to reproduce the problem
- Install yarn 4.5.1 (berry)
- yarn add ts-node --dev
- Install dotenv
- copy the src/index.ts, tsup and ts-node configs
- Run `yarn run dotenv -e ../web/.env.local -- ts-node src/index.ts
//tsup.config.ts
import { defineConfig } from 'tsup';
export default defineConfig((opts) => ({
entry: ['./src/index.ts'],
format: ['cjs'], // CommonJS format
splitting: false, // Avoid splitting
sourcemap: true,
minify: !opts.watch,
clean: !opts.watch,
dts: true,
outDir: 'dist',
esbuildOptions: (options) => {
options.external = ['path', 'fs', 'os']; // Mark Node.js built-in modules as external
options.platform = 'node'; // Ensure the target platform is Node.js
},
}));Minimal reproduction
Specifications
- ts-node version: ^10.9.2
- node version: v20.13.1
- TypeScript version: "typescript": "^5.4.5", 5.0.0
- tsconfig.json, if you're using one:
//tsconfig.json
{
"extends": ["@project/tsconfig/base.json"],
"compilerOptions": {
"tsBuildInfoFile": ".tsbuildinfo",
"baseUrl": ".",
"paths": {
"@/*": ["./src/*"]
}
},
"include": ["**/*.ts", "**/*.js"]
}- package.json:
"devDependencies": {
"@project/tsconfig": "workspace:^",
"@types/bun": "^1.1.3",
"dotenv-cli": "^7.4.2",
"ts-node": "^10.9.2",
"tsup": "^8.0.2"
}- Operating system and version:
- If Windows, are you using WSL or WSL2?:
Activity
phnydyn commentedon Nov 5, 2024
Try to update tsconfig.json with these changes
from extends: ['...'] to extends: '...'andrewmueller1 commentedon Dec 2, 2025
just curious - why does this matter?