Open jiro2020 opened 2 years ago
npm-run ts-node-dev
で以下のエラーに。下記のURLの情報が役立つが、そもそも tsconfig.json など Tyepscript 周りの理解度を上げたいhttps://stackoverflow.com/questions/58273824/typescript-cannot-use-import-statement-outside-a-module https://github.com/TypeStrong/ts-node#module-type-overrides https://github.com/wclr/ts-node-dev#issues
[INFO] 14:25:35 ts-node-dev ver. 1.1.8 (using ts-node ver. 9.1.1, typescript ver. 4.5.5)
(node:3507) Warning: To load an ES module, set "type": "module" in the package.json or use the .mjs extension.
(Use `node --trace-warnings ...` to show where the warning was created)
/home/node/app/react-app/src/HomePage.tsx:1
import { Fragment as _Fragment, jsx as _jsx } from "react/jsx-runtime";
^^^^^^
SyntaxError: Cannot use import statement outside a module
at Object.compileFunction (node:vm:352:18)
at wrapSafe (node:internal/modules/cjs/loader:1032:15)
at Module._compile (node:internal/modules/cjs/loader:1067:27)
at Module._compile (/home/node/app/react-app/node_modules/source-map-support/source-map-support.js:568:25)
at Module.m._compile (/tmp/ts-node-dev-hook-6712553656353624.js:69:33)
at Module._extensions..js (node:internal/modules/cjs/loader:1155:10)
at require.extensions..jsx.require.extensions..js (/tmp/ts-node-dev-hook-6712553656353624.js:114:20)
at require.extensions.<computed> (/tmp/ts-node-dev-hook-6712553656353624.js:71:20)
at Object.nodeDevHook [as .tsx] (/home/node/app/react-app/node_modules/ts-node-dev/lib/hook.js:63:13)
at Module.load (node:internal/modules/cjs/loader:981:32)
[ERROR] 14:25:42 SyntaxError: Cannot use import statement outside a module
概要
以下学んだこと
@types
付きのパッケージはTypeScriptの型定義、そのためnpm install --save-dev
のようにdevDependencies
に追加する<Swith>
は<Routes>
に変更されたnode-dev
などを用いると良い(.tsx
対象であればts-node-dev
)npm run
はnpm start run
のエイリアス