fix(build): [ENG-12] exclude declaration sources from library artifacts

scripts/package-check.mjs

@@ -26,6 +26,7 @@ export function checkFiles(manifest, files, historical = []) {
   for (const file of historical.filter(file => /^package\/(?:dist|types)\//.test(file)))
     assert(files.includes(file), `Historical distribution file removed: ${file}`)
   assert(!files.some(file => /^package\/(?:src|public|node_modules)\//.test(file)), 'Source/dependencies leaked into package')
+  assert(!files.some(file => /\.[cm]?ts$/.test(file) && !/\.d\.[cm]?ts$/.test(file)), 'Authored TypeScript leaked into package')
   assert(!files.includes('package/tsconfig.json'), 'Implementation tsconfig leaked into package')
 }
 

scripts/utils.js

@@ -36,6 +36,7 @@ export function getViteBuildConfig(options) {
 
   const config = {
     configFile: false,
+    publicDir: false,
     logLevel: 'warn',
     build: {
       outDir,