Note that the W3C strongly advises against using file extensions in URIs, because it makes it harder to evolve your system, and advocates to instead rely on Content Negotiation. js, then you need to serve it up at a URI that does not end in. js, then your module path needs to end in. If you are serving the module with a URI that ends in. In this case, you gave it a path to a URI that doesn't exist, but TypeScript cannot know that, so there is nothing it can do about it. TypeScript cannot possibly know what URI you are going to use to serve your files, therefore it simply must trust that the module path you gave it is correct. js extension, and then appends the extension.įailing getting a linter set up, you could run this periodically & check the git logs to ensure no imports without the extension slip into the codebase. The replace expression then takes the first group of the match, which always doesn't have the. The first group will capture the part up to the closing quote. The find expression will match imports without the. Here are the Hello World program directory structure and the source code:ĭirectory Structure: | - HelloWorldProgram This seems to be a trivial problem, but it is not very obvious what settings/configurations need to be used to solve this issue.

Online typescript compiler