json - 对于这个错误: require ('connect' ). json()未定义我该怎么办

Question

当我输入 gulp test 时，出现此错误:require('connect').json() is undefined.。我该怎么办？

详细错误信息如下:

 tianjiedeMacBook-Pro:meiyanapp tianjie$ gulp test
 /Users/tianjie/meiyanruhua/meiyanapp/node_modules/karma/lib/middleware/runner.js:11
 var json = require('connect').json();
                               ^ TypeError: undefined is not a function
     at Object.<anonymous> (/Users/tianjie/meiyanruhua/meiyanapp/node_modules/karma/lib/middleware/runner.js:11:31)
     at Module._compile (module.js:460:26)
     at Object.Module._extensions..js (module.js:478:10)
     at Module.load (module.js:355:32)
     at Function.Module._load (module.js:310:12)
     at Module.require (module.js:365:17)
     at require (module.js:384:17)
     at Object.<anonymous> (/Users/tianjie/meiyanruhua/meiyanapp/node_modules/karma/lib/web-server.js:7:24)
     at Module._compile (module.js:460:26)
     at Object.Module._extensions..js (module.js:478:10)

Answer 1

我通过以下方式解决了这个问题:

npm install karma karma-jasmine karma-phantomjs-launcher --save-dev