switch to error

documentation/docs/98-reference/.generated/server-errors.md

@@ -55,6 +55,12 @@ Cause:
 %stack%
 ```
 
+### invalid_csp
+
+```
+`csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
+```
+
 ### lifecycle_function_unavailable
 
 ```

documentation/docs/98-reference/.generated/server-warnings.md

@@ -1,12 +1,5 @@
 <!-- This file is generated by scripts/process-messages/index.js. Do not edit! -->
 
-### invalid_csp
-
-```
-`csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
-`nonce` will be used.
-```
-
 ### unresolved_hydratable
 
 ```

packages/svelte/messages/server-errors/errors.md

@@ -43,6 +43,10 @@ This error occurs when using `hydratable` multiple times with the same key. To a
 > Cause:
 > %stack%
 
+## invalid_csp
+
+> `csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
+
 ## lifecycle_function_unavailable
 
 > `%name%(...)` is not available on the server

packages/svelte/messages/server-warnings/warnings.md

@@ -1,8 +1,3 @@
-## invalid_csp
-
-> `csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
-> `nonce` will be used.
-
 ## unresolved_hydratable
 
 > A `hydratable` value with key `%key%` was created, but at least part of it was not used during the render.

packages/svelte/src/internal/server/errors.js

@@ -80,6 +80,18 @@ ${stack}\nhttps://svelte.dev/e/hydratable_serialization_failed`);
 	throw error;
 }
 
+/**
+ * `csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
+ * @returns {never}
+ */
+export function invalid_csp() {
+	const error = new Error(`invalid_csp\n\`csp.nonce\` was set while \`csp.hash\` was \`true\`. These options cannot be used simultaneously.\nhttps://svelte.dev/e/invalid_csp`);
+
+	error.name = 'Svelte error';
+
+	throw error;
+}
+
 /**
  * `%name%(...)` is not available on the server
  * @param {string} name

packages/svelte/src/internal/server/index.js

@@ -17,7 +17,7 @@ import { EMPTY_COMMENT, BLOCK_CLOSE, BLOCK_OPEN, BLOCK_OPEN_ELSE } from './hydra
 import { validate_store } from '../shared/validate.js';
 import { is_boolean_attribute, is_raw_text_element, is_void } from '../../utils.js';
 import { Renderer } from './renderer.js';
-import * as w from './warnings.js';
+import * as e from './errors.js';
 
 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
 // https://infra.spec.whatwg.org/#noncharacter
@@ -69,7 +69,7 @@ export function render(component, options = {}) {
 
 		// @ts-expect-error
 		if (options.csp.hash && options.csp.nonce) {
-			w.invalid_csp();
+			e.invalid_csp();
 		}
 	}
 	return Renderer.render(/** @type {Component<Props>} */ (component), {

packages/svelte/src/internal/server/warnings.js

@@ -5,23 +5,6 @@ import { DEV } from 'esm-env';
 var bold = 'font-weight: bold';
 var normal = 'font-weight: normal';
 
-/**
- * `csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
- * `nonce` will be used.
- */
-export function invalid_csp() {
-	if (DEV) {
-		console.warn(
-			`%c[svelte] invalid_csp\n%c\`csp.nonce\` was set while \`csp.hash\` was \`true\`. These options cannot be used simultaneously.
-\`nonce\` will be used.\nhttps://svelte.dev/e/invalid_csp`,
-			bold,
-			normal
-		);
-	} else {
-		console.warn(`https://svelte.dev/e/invalid_csp`);
-	}
-}
-
 /**
  * A `hydratable` value with key `%key%` was created, but at least part of it was not used during the render.
  * 

packages/svelte/tests/server-side-rendering/samples/csp-config-error/_config.js

@@ -3,5 +3,5 @@ import { test } from '../../test';
 export default test({
 	mode: ['async'],
 	csp: { hash: true, nonce: 'test-nonce' },
-	script_hashes: []
+	error: 'invalid_csp'
 });