diff --git a/src/compiler/docs/generate-doc-data.ts b/src/compiler/docs/generate-doc-data.ts
index f8fc3aa568f4..cc1c18a4fe56 100644
--- a/src/compiler/docs/generate-doc-data.ts
+++ b/src/compiler/docs/generate-doc-data.ts
@@ -377,7 +377,7 @@ const getUserReadmeContent = async (compilerCtx: d.CompilerCtx, readmePath: stri
  * @param jsdoc the JSDoc associated with the component's declaration
  * @returns the generated documentation
  */
-const generateDocs = (readme: string, jsdoc: d.CompilerJsDoc): string => {
+const generateDocs = (readme: string | undefined, jsdoc: d.CompilerJsDoc): string => {
   const docs = jsdoc.text;
   if (docs !== '' || !readme) {
     // just return the existing docs if they exist. these would have been captured earlier in the compilation process.
diff --git a/src/compiler/transformers/type-library.ts b/src/compiler/transformers/type-library.ts
index 09ee5509d3ee..36bc540d0e9f 100644
--- a/src/compiler/transformers/type-library.ts
+++ b/src/compiler/transformers/type-library.ts
@@ -104,7 +104,15 @@ export function addFileToLibrary(filePath: string): void {
 
         const importPath = node.moduleSpecifier.text;
         const module = ts.resolveModuleName(importPath, sourceFile.fileName, options, compilerHost);
-        const exportHomeModule = program.getSourceFile(module.resolvedModule.resolvedFileName);
+        const resolvedFileName = module?.resolvedModule?.resolvedFileName;
+
+        if (!resolvedFileName) {
+          return;
+        }
+        const exportHomeModule = program.getSourceFile(resolvedFileName);
+        if (!exportHomeModule) {
+          return;
+        }
 
         // if there are named exports (like `export { Pie, Cake } from './dessert'`)
         // we get each export specifier (`Pie`, `Cake`), use the typechecker
@@ -112,6 +120,9 @@ export function addFileToLibrary(filePath: string): void {
         if (node.exportClause && ts.isNamedExports(node.exportClause)) {
           for (const exportSpecifier of node.exportClause.elements) {
             const identifier = exportSpecifier.getChildAt(0);
+            if (!identifier) {
+              return;
+            }
             // if this symbol is being aliased like
             //
             // ```ts
@@ -120,7 +131,11 @@ export function addFileToLibrary(filePath: string): void {
             //
             // this will give us 'Best' as a symbol, letting us look that name up
             // in the source module, below
-            const unaliasedSymbol = unalias(checker.getSymbolAtLocation(identifier), checker);
+            const possiblyAliasedSymbol = checker.getSymbolAtLocation(identifier);
+            if (!possiblyAliasedSymbol) {
+              return;
+            }
+            const unaliasedSymbol = unalias(possiblyAliasedSymbol, checker);
             const name = unaliasedSymbol.getName();
 
             ts.forEachChild(exportHomeModule, (child) => {
@@ -216,8 +231,10 @@ function isNotPrivate(node: TypeDeclLike): boolean {
 function getTypeDeclaration(checker: ts.TypeChecker, type: ts.Type): string {
   const maybeSymbol = getSymbolForType(type);
 
-  if (maybeSymbol) {
-    return maybeSymbol?.declarations?.[0]?.getText();
+  const declaration = maybeSymbol?.declarations?.[0];
+
+  if (declaration) {
+    return declaration.getText();
   } else {
     // in the case that we couldn't resolve the declaration, `typeToString`
     // provides a reasonable fallback
diff --git a/src/declarations/stencil-public-docs.ts b/src/declarations/stencil-public-docs.ts
index 742ecfbf1850..795c3e8c4f67 100644
--- a/src/declarations/stencil-public-docs.ts
+++ b/src/declarations/stencil-public-docs.ts
@@ -108,7 +108,7 @@ export interface JsonDocsProp {
   reflectToAttr: boolean;
   docs: string;
   docsTags: JsonDocsTag[];
-  default: string;
+  default?: string;
   deprecation?: string;
   values: JsonDocsValue[];
   optional: boolean;