Fix error when prerendering application (#786)

* don't add session infrastructure when static is set to true

* use existing static config value

* changeset

* unused import

.changeset/dull-starfishes-matter.md

@@ -0,0 +1,5 @@
+---
+'houdini-svelte': patch
+---
+
+Static configuration value can now be used to remove session infrastructure from application

packages/houdini-svelte/src/plugin/fsPatch.ts

@@ -1,11 +1,13 @@
 import filesystem, { Dirent, PathLike } from 'fs'
 import { fs, Plugin, path } from 'houdini'
 
+import { _config } from '.'
 import {
 	Framework,
 	is_root_layout,
 	is_root_layout_server,
 	is_route_script,
+	plugin_config,
 	resolve_relative,
 } from './kit'
 
@@ -193,7 +195,11 @@ filesystem.readdirSync = function (
 	}
 	// if we are in looking inside of src/routes and there's no +layout.server.js file
 	// we need to create one
-	if (is_root_route(posix_filepath) && !contains('+layout.server.js', '+layout.server.ts')) {
+	if (
+		is_root_route(posix_filepath) &&
+		!contains('+layout.server.js', '+layout.server.ts') &&
+		!plugin_config(_config).static
+	) {
 		result.push(virtual_file('+layout.server.js', options))
 	}
 

packages/houdini-svelte/src/plugin/index.ts

@@ -1,4 +1,4 @@
-import { HoudiniError, PluginFactory, path, fs } from 'houdini'
+import { HoudiniError, PluginFactory, path, fs, type Config } from 'houdini'
 import * as url from 'url'
 import { loadEnv } from 'vite'
 
@@ -18,6 +18,8 @@ import validate from './validate'
 
 let framework: Framework = 'svelte'
 
+export let _config: Config
+
 const HoudiniSveltePlugin: PluginFactory = async () => ({
 	order: 'core',
 
@@ -131,6 +133,7 @@ export const error = svelteKitError
 	 */
 
 	async after_load(cfg) {
+		_config = cfg
 		const cfgPlugin = plugin_config(cfg)
 
 		let client_file_exists = false

site/src/routes/api/config/+page.svx

@@ -66,7 +66,7 @@ Here is a summary of the possible configuration values:
 - `pageQueryFilename` (optional, default: `+page.gql`): The name of the file used to define page queries.
 - `layoutQueryFilename` (optional, default: `+layout.gql`): The name of the file used to define layout queries.
 - `quietQueryErrors` (optional, default: `false`): With this enabled, errors in your query will not be thrown as exceptions. You will have to handle error state in your route components or by hand in your load (or the onError hook)
-- `static` (optional, default: `false`): A flag to treat every component as a non-route.
+- `static` (optional, default: `false`): A flag to remove the session infrastructure from your application
 
 ## Custom Scalars