Improve missing package.json error message

markdalgleish · web-flow · commit 233b0e056b52 · 2025-06-16T09:25:04.000+10:00
diff --git a/packages/react-router-dev/config/config.ts b/packages/react-router-dev/config/config.ts
@@ -855,7 +855,7 @@ export async function resolveEntryFiles({
 
     if (!packageJsonPath) {
       throw new Error(
-        `Could not find package.json in ${rootDirectory} or any of its parent directories`
+        `Could not find package.json in ${rootDirectory} or any of its parent directories. Please add a package.json, or provide a custom entry.server.tsx/jsx file in your app directory.`
       );
     }
 

Original file line number	Diff line number	Diff line change
`@@ -855,7 +855,7 @@ export async function resolveEntryFiles({`
`855`	`855`
`856`	`856`	`if (!packageJsonPath) {`
`857`	`857`	`throw new Error(`
`858`		- `Could not find package.json in ${rootDirectory} or any of its parent directories`
	`858`	+ `Could not find package.json in ${rootDirectory} or any of its parent directories. Please add a package.json, or provide a custom entry.server.tsx/jsx file in your app directory.`
`859`	`859`	`);`
`860`	`860`	`}`
`861`	`861`