svelte-typescript

npx degit sveltejs/template svelte-typescript-app cd svelte-typescript-app node scripts/setupTypeScript.js

npm install --save-dev @rollup/plugin-typescript @tsconfig/svelte typescript svelte-preprocess svelte-check

rollup.comfig

• import autoPreprocess from 'svelte-preprocess';
• import typescript from '@rollup/plugin-typescript';

export default { ..., plugins: [ svelte({

•   preprocess: autoPreprocess()
  

  }),
• typescript({ sourceMap: !production }) ] }

tsconfig

{ "extends": "@tsconfig/svelte/tsconfig.json",

"include": ["src/**/", "src/node_modules"], "exclude": ["node_modules/", "sapper/", "public/"], }

npm run dev