fix(tools): load ts sources from core (#2687)

Co-authored-by: Steven Spriggs <[email protected]>

Author: bennypowers

tools/pfe-tools/dev-server/plugins/pfe-dev-server.ts

@@ -130,6 +130,11 @@ function getRouter(options: PfeDevServerInternalConfig) {
       return next();
     })
 
+    // Redirect `core/pfe-core/controllers/thingy.js` to `core/pfe-core/controllers/thingy.ts` for requests not previously handled
+    .get(`/core/pfe-core/:splatPath*.js`, async ctx => {
+      ctx.redirect(`/core/pfe-core/${ctx.params.splatPath}.ts`);
+    })
+
     // Redirect `elements/pf-jazz-hands/*.js` to `elements/pf-jazz-hands/*.ts` for requests not previously handled
     .get(`/${elementsDir}/:element/:splatPath*.js`, async ctx => {
       const { element, splatPath } = ctx.params;