Open the Javascript file associated with a Typescript file and vice versa.
Features
Reads the root and output directories from tsconfig.json (if one exists) and opens the Typescript or Javascript file in the corresponding directory. If there is no tsconfig, the extension will do it's best to determine which file to open. Also supports typescript declaration files.
Usage
When editing a Typescript or Javascript file, open the command palette (Cmd+Shift+P by default) and select Open Related JS/TS. You can also use the keyboard shortcut Cmd+K followed by J.