As part of the `updateProjectIfDirty` process and inside `updateNonInferredProjectFiles` TS Server will remove the template files that we added as roots in `readResource`. https://sourcegraph.com/github.com/microsoft/TypeScript@c300fea3250abd7f75920d95a58d9e742ac730ee/-/blob/src/server/editorServices.ts?L2363 The external files are added to the list here so ensuring that the templates are included in the `getExternalFiles` will prevent this from happening https://sourcegraph.com/github.com/microsoft/TypeScript@c300fea3250abd7f75920d95a58d9e742ac730ee/-/blob/src/server/editorServices.ts?L2395:18 PR Close #45965
This commit moves code in the language service package out of the ivy subfolder. Ivy is the _only_ engine supported in v13+ so there's no need to have a name for it. PR Close #44064