dependency inversion principle: it is believed that a method should follow the concept of "relying on abstraction rather than an instance" [5].
dependency injection is one way to implement this principle.
are there any packages that export both instances?
the programming style of nodejs has nothing to do with OOP, so don't copy the OOP style.
npm general export types are:
A recent VUE project has reported errors at intervals in the development phase in the same project, many people collaborate, and others do not report errors. my computer i8 8g memory WIN10 NODE version has tried 6.x 8.11.1 (latest) 8.0.0 (colleague ...
for example, 0.1 "0.2 " 0.3 "0.4 " 0.5 "0.7 " 0.8 "0.9 " 1.0 "1.1 " 1.2 "1.3 " 1.4 "1.5 " 1.6 "1.7 the result is 15.299999999999999 read an article that can be written with add module, but in practice, not only addition, subtraction, multip...
Global installation of npm package tb-cli macOS succeeded, error reported under windows execute the command npm install tb-cli-g Windows reports an error as follows: yarn global add tb-cli Windows : I would like to ask all the bosses, w...
this is definitely not a network problem. I can use my colleagues. What does this line error mean? my source address is obviously the default official address of yarn. How did the image of Taobao pop up? ...
upload your own package to the npm official website, but you can t find it on the official website, nor can you retrieve it . does anyone know why this is? ...
applications based on Node.js use more cnpm or npm in production environment, in China? Do not discuss yarn . I have seen some posts in major communities, it seems that cnpm will have more strange questions, and I also know about the pros and co...
error content: Error: write after end (writeStream "error ") (writeStream "error "), GET https: cdn.npm.taobao.org se. 200( connected: true, keepalive socket: false, agent status: { " createSocketCount ": 30, " createSocketErrorCount ": 0, " clo...
Why can t some modules be found on npmjs on Node.js ? For example, the amqp module. Is it because npmjs did not deploy the information for this module? It doesn t feel like it, either. Solve it? ...
keep prompting these errors during npm install: npm WARN deprecated bfj-node4@5.3.1: Switch to the bfj package for fixes and new for compatibility with current and future versions of Node.js! npm WARN deprecated browserslist@1.7.7: Browserslist 2 c...
DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.-sharp-sharp-sharp problem description the environmental background of...
error report is as follows: window ...
github has been warning, how to fix it? Known critical severity security vulnerability detected in event-stream > 3.3.4 defined in package-lock.json. ...
I have seen these two writing methods. Is there any difference? npm install express -g npm install -g express ...
wrote a component that wants to upload to npm , but this component references some third-party libraries and doesn t want to package it into the component I hope to introduce these third-party libraries at the same time in the use of this component ...