How to download and setup coc-jest
Open terminal and run command
                                            git clone https://github.com/khanghoang/coc-jest.git
                                        
                                        git clone is used to create a copy or clone of coc-jest repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with coc-jest https://github.com/khanghoang/coc-jest/archive/master.zip
Or simply clone coc-jest with SSH
                                            [email protected]:khanghoang/coc-jest.git                                    
                                    If you have some problems with coc-jest
You may open issue on coc-jest support forum (system) here: https://github.com/khanghoang/coc-jest/issuesSimilar to coc-jest repositories
Here you may see coc-jest alternatives and analogs
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