[!] TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined

[popoleeMaster]

Hello,

Sorry for the trouble, I might do something wrong but I tried to use this plugin and get prompted with

[!] TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined

tsconfig.json (in root folder)

{
  "extends": "@tsconfig/svelte/tsconfig.json",
  "include": ["src/**/*"],
  "exclude": ["node_modules/*", "__sapper__/*", "public/*"],
  "compilerOptions": {
    "baseUrl": "./",
    "module": "es2020",
    "target": "es2020",
    "paths": {
      "@src/*": ["src/*"],
      "@environments/*": ["src/environments/*"]
    }
  }
}

rollup.config.js

  import tsConfigPaths from 'rollup-plugin-ts-paths';
  ...

export default {
  input: "src/main.ts",
  output: {
    sourcemap: true,
    format: "iife",
    name: "app",
    file: "public/build/bundle.js",
  },
  plugins: [
    tsConfigPaths(),
    svelte({
      // enable run-time checks when not in production
      dev: !production,
      // we'll extract any component CSS out into
      // a separate file - better for performance
      css: (css) => {
        css.write("bundle.css");
      },
      preprocess: sveltePreprocess(),
    }),

    // If you have external dependencies installed from
    // npm, you'll most likely need these plugins. In
    // some cases you'll need additional configuration -
    // consult the documentation for details:
    // https://github.com/rollup/plugins/tree/master/packages/commonjs
    resolve({
      browser: true,
      dedupe: ["svelte"],
    }),
    commonjs(),
    typescript({ sourceMap: !production }),

    // In dev mode, call `npm run start` once
    // the bundle has been generated
    !production && serve(),

    // Watch the `public` directory and refresh the
    // browser on changes when not in production
    !production && livereload("public"),

    // If we're building for production (npm run build
    // instead of npm run dev), minify
    production && terser(),
  ],
  watch: {
    clearScreen: false,
  },
};

import in the app

<script lang="ts">
  import Home from "@src/components/home/Home.svelte";
</script>

<style>
  main {
    width: 100%;
    height: 100%;
    position: relative;
  }
</style>

<main>
  <Home />
</main>

[segarman]

it seems you need to specify an outDir option on your tsconfig

[crobinson42]

This error happens with different combinations of tsconfig settings - turning composite: false solved the problem for one person.