安装依赖
npm install -D typescript ts-node tslib @types/node
坑
当 package.json 中 type 为 module时，报错 ERR_UNKNOWN_FILE_EXTENSION
解决方法：删除 "type": "module"
{
"type": "module",
"devDependencies": {
"@types/node": "^20.12.7",
"ts-node": "^10.9.2",
"typescript": "^5.4.5"
}
}
~/my/ts-test ts-node --esm test.ts
TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts" for /Users/kuhufu/my/ts-test/test.ts
at Object.getFileProtocolModuleFormat [as file:] (node:internal/modules/esm/get_format:160:9)
at defaultGetFormat (node:internal/modules/esm/get_format:203:36)
at defaultLoad (node:internal/modules/esm/load:143:22)
at async nextLoad (node:internal/modules/esm/hooks:750:22)
at async nextLoad (node:internal/modules/esm/hooks:750:22)
at async Hooks.load (node:internal/modules/esm/hooks:383:20)
at async handleMessage (node:internal/modules/esm/worker:199:18) {
code: 'ERR_UNKNOWN_FILE_EXTENSION'
}
vscode 运行配置 launch.json
{
// 使用 IntelliSense 了解相关属性。
// 悬停以查看现有属性的描述。
// 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "ts-node",
"type": "node",
"request": "launch",
"args": [
"${relativeFile}"
],
"runtimeArgs": [
"-r",
"ts-node/register"
],
"cwd": "${workspaceRoot}",
"protocol": "inspector",
"internalConsoleOptions": "openOnSessionStart"
}
]
}
