node.js - npm install 不会创建 node_modules 目录

Question

我正在尝试为 mongodb uni 类(class)做作业。他们给了我们一些文件，说明是:

运行 npm install mongodb 然后 node app.js

由于某种原因，npm install 没有创建 node_modules 目录，但我没有看到任何构建错误:

mongo-uni/hw1-2$ npm install mongodb
npm WARN package.json path@0.4.9 path is also the name of a node core module.
npm http GET https://registry.npmjs.org/mongodb
npm http 304 https://registry.npmjs.org/mongodb
npm http GET https://registry.npmjs.org/bson/0.2.5
npm http GET https://registry.npmjs.org/kerberos/0.0.3
npm http 304 https://registry.npmjs.org/kerberos/0.0.3
npm http 304 https://registry.npmjs.org/bson/0.2.5

> kerberos@0.0.3 install /home/jasonshark/node_modules/mongodb/node_modules/kerberos
> (node-gyp rebuild 2> builderror.log) || (exit 0)

make: Entering directory `/home/jasonshark/node_modules/mongodb/node_modules/kerberos/build'
  SOLINK_MODULE(target) Release/obj.target/kerberos.node
  SOLINK_MODULE(target) Release/obj.target/kerberos.node: Finished
  COPY Release/kerberos.node
make: Leaving directory `/home/jasonshark/node_modules/mongodb/node_modules/kerberos/build'

> bson@0.2.5 install /home/jasonshark/node_modules/mongodb/node_modules/bson
> (node-gyp rebuild 2> builderror.log) || (exit 0)

make: Entering directory `/home/jasonshark/node_modules/mongodb/node_modules/bson/build'
  CXX(target) Release/obj.target/bson/ext/bson.o
make: Leaving directory `/home/jasonshark/node_modules/mongodb/node_modules/bson/build'
mongodb@1.3.23 ../../../node_modules/mongodb
├── kerberos@0.0.3
└── bson@0.2.5
mongo-uni/hw1-2$ node app.js
Failed to load c++ bson extension, using pure JS version
'No document found'

Answer 1

npm 初始化

这就是你所需要的。它将为您即时创建 package.json 文件。