A NodeJS cli application that completed missing informations of given Books CSV file.
- First of all, the libraries should be installed via npm or yarn.
npm install
- To run the application, give the following command:
npm run dev
- To build the application, run the following command:
npm run build
In this project, the vorpal is used to build a cli interface for user interactions. The available commands are:
| Command | Description |
|---|---|
| help | Provides help for a given command. |
| correct-csv | Reads a CSV file and fulfill missing data |
| exit | Exits application. |
- The UI related constants can be found in
src/constants/UTIL_CONSTANTS.js
- In this project, a csv file is read by CSV module. In CSV file, the headers, stated in
src/constants/FILE_CONSTANTS.js, are expected.
- While traversing book rows, for each row the related image is fetched and saved to the
imagesfolder. This folder destination can be changed insrc/constants/FILE_CONSTANTS.js.
- The fetch book detailed information, the html pages are parsed. The details about parsed can be found
src/util/ParserUtil.js. - The new parsers can be added to the ParserUtil. For now there are 2 different website parsers.
- To parse html pages, the cheerio library is used.
- Created Logger class to manage all logging operations. The default log file is set in
src/constants/FILE_CONSTANTS.jsas ERROR_LOG_FILE variable.