[错误]运行子流程ionic-app-scripts时发生错误

Question

我运行离子项目时遇到错误：构建Ionic 3应用程序1时出现错误

[ERROR] ionic-app-scripts has unexpectedly closed (exit code 1).

        The Ionic CLI will exit. Please check any output above for error details.
ionic3-firebase-shopping-cart-master anand$ ionic cordova run android
> ionic-app-scripts build --target cordova --platform android
/Users/anand/projects/Ionic/ShoppingCart/ionic3-firebase-shopping-cart-master/node_modules/node-sass/lib/binding.js:13
      throw new Error(errors.unsupportedEnvironment());
      ^

Error: Node Sass does not yet support your current environment: OS X 64-bit with Unsupported runtime (64)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.5.3
    at module.exports (/Users/anand/projects/Ionic/ShoppingCart/ionic3-firebase-shopping-cart-master/node_modules/node-sass/lib/binding.js:13:13)
    at Object.<anonymous> (/Users/anand/projects/Ionic/ShoppingCart/ionic3-firebase-shopping-cart-master/node_modules/node-sass/lib/index.js:14:35)
    at Module._compile (internal/modules/cjs/loader.js:678:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:689:10)
    at Module.load (internal/modules/cjs/loader.js:589:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:528:12)
    at Function.Module._load (internal/modules/cjs/loader.js:520:3)
    at Module.require (internal/modules/cjs/loader.js:626:17)
    at require (internal/modules/cjs/helpers.js:20:18)
    at Object.<anonymous> (/Users/anand/projects/Ionic/ShoppingCart/ionic3-firebase-shopping-cart-master/node_modules/@ionic/app-scripts/dist/core/bundle-components.js:6:16)
[ERROR] An error occurred while running subprocess ionic-app-scripts.

        ionic-app-scripts build --target cordova --platform android exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

ionic3-firebase-shopping-cart-master anand $ ionic cordova platform rm ios

cordova平台删除ios --save从config.xml文件中删除平台ios ... ionic3-firebase-shopping-cart-master anand $ ionic cordova android ionic-app-scripts build --target cordova --platform android / Users / anand / projects / Ionic / ShoppingCart / ionic3-firebase-shopping-cart-master / node_modules / node-sass / lib / binding.js：13抛出新错误（errors.unsupportedEnvironment（））;

Answer 1

经过长时间的尝试，我使用以下命令解决了这个问题：

npm install @ionic/app-scripts@latest --save-dev

而且有效。

希望对别人有帮助

Answer 2

删除node_modules项目中的整个文件夹，然后运行以下命令：

npm install @ionic/app-scripts@latest --save-dev

它将正常工作。