How to download and setup acorn-typescript
Open terminal and run command
                                            git clone https://github.com/TyrealHu/acorn-typescript.git
                                        
                                        git clone is used to create a copy or clone of acorn-typescript 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 acorn-typescript https://github.com/TyrealHu/acorn-typescript/archive/master.zip
Or simply clone acorn-typescript with SSH
                                            [email protected]:TyrealHu/acorn-typescript.git                                    
                                    If you have some problems with acorn-typescript
You may open issue on acorn-typescript support forum (system) here: https://github.com/TyrealHu/acorn-typescript/issuesSimilar to acorn-typescript repositories
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