Fix inferring watch entry points from package.json

#2899

Author: Gerrit0

.config/typedoc.json

@@ -16,7 +16,7 @@
     "name": "TypeDoc API",
 
     // Don't document the debug entry point
-    "entryPoints": ["../src/index.ts"],
+    // "entryPoints": ["../src/index.ts"],
     "outputs": [
         {
             "name": "html",

CHANGELOG.md

@@ -4,6 +4,10 @@ title: Changelog
 
 ## Unreleased
 
+### Bug Fixes
+
+- `--watch` can now infer entry points from `package.json` as supported in non-watch mode, #2899/
+
 ## v0.28.0 (2025-03-15)
 
 ### Breaking Changes

src/lib/utils/entry-point.ts

@@ -46,7 +46,7 @@ export interface DocumentEntryPoint {
     path: NormalizedPath;
 }
 
-export function inferEntryPoints(logger: Logger, options: Options) {
+export function inferEntryPoints(logger: Logger, options: Options, programs?: ts.Program[]) {
     const packageJson = discoverPackageJson(
         options.packageDir ?? process.cwd(),
     );
@@ -59,7 +59,7 @@ export function inferEntryPoints(logger: Logger, options: Options) {
 
     const entryPoints: DocumentationEntryPoint[] = [];
 
-    const programs = getEntryPrograms(
+    programs ||= getEntryPrograms(
         pathEntries.map((p) => p[1]),
         logger,
         options,
@@ -213,21 +213,29 @@ export function getWatchEntryPoints(
 
     switch (strategy) {
         case EntryPointStrategy.Resolve:
-            result = getEntryPointsForPaths(
-                logger,
-                expandGlobs(entryPoints, exclude, logger),
-                options,
-                [program],
-            );
+            if (options.isSet("entryPoints")) {
+                result = getEntryPointsForPaths(
+                    logger,
+                    expandGlobs(entryPoints, exclude, logger),
+                    options,
+                    [program],
+                );
+            } else {
+                result = inferEntryPoints(logger, options, [program]);
+            }
             break;
 
         case EntryPointStrategy.Expand:
-            result = getExpandedEntryPointsForPaths(
-                logger,
-                expandGlobs(entryPoints, exclude, logger),
-                options,
-                [program],
-            );
+            if (options.isSet("entryPoints")) {
+                result = getExpandedEntryPointsForPaths(
+                    logger,
+                    expandGlobs(entryPoints, exclude, logger),
+                    options,
+                    [program],
+                );
+            } else {
+                result = inferEntryPoints(logger, options, [program]);
+            }
             break;
 
         case EntryPointStrategy.Packages: