chore(docs): fix several warnings etc

packages/docs/package.json

@@ -69,7 +69,7 @@
   "scripts": {
     "build": "qwik build",
     "build.client": "vite build",
-    "build.preview": "vite build --ssr src/entry.preview.tsx",
+    "build.preview": "NODE_OPTIONS=--max-old-space-size=8192 vite build --ssr src/entry.preview.tsx",
     "build.repl-sw": "vite --config vite.config-repl-sw.mts build",
     "build.server": "NODE_OPTIONS=--max-old-space-size=8192 vite build -c adapters/cloudflare-pages/vite.config.mts",
     "build.showcase": "pnpm node scripts/showcase.js",

packages/docs/vite.config.mts

@@ -4,14 +4,54 @@ import { qwikInsights } from '@builder.io/qwik-labs/vite';
 import { qwikReact } from '@builder.io/qwik-react/vite';
 import { qwikVite } from '@builder.io/qwik/optimizer';
 import path, { resolve } from 'node:path';
-import { defineConfig, loadEnv } from 'vite';
+import { defineConfig, loadEnv, type Plugin } from 'vite';
 import Inspect from 'vite-plugin-inspect';
 import { examplesData, playgroundData, rawSource, tutorialData } from './vite.repl-apps';
 import { sourceResolver } from './vite.source-resolver';
 
 export const PUBLIC_QWIK_INSIGHT_KEY = loadEnv('', '.', 'PUBLIC').PUBLIC_QWIK_INSIGHTS_KEY;
 const docsDir = new URL(import.meta.url).pathname;
 
+// https://github.com/vitejs/vite/issues/15012#issuecomment-1825035992
+const muteWarningsPlugin = (warningsToIgnore: string[][]): Plugin => {
+  const mutedMessages = new Set();
+  return {
+    name: 'mute-warnings',
+    enforce: 'pre',
+    config: (userConfig) => {
+      const origOnLog = userConfig.build?.rollupOptions?.onLog;
+      return {
+        build: {
+          rollupOptions: {
+            onLog(type, warning, defaultHandler) {
+              if (type === 'warn') {
+                if (warning.code) {
+                  const muted = warningsToIgnore.find(
+                    ([code, message]) => code == warning.code && warning.message.includes(message)
+                  );
+
+                  if (muted) {
+                    mutedMessages.add(muted.join());
+                    return;
+                  }
+                }
+              }
+              origOnLog ? origOnLog(type, warning, defaultHandler) : defaultHandler(type, warning);
+            },
+          },
+        },
+      };
+    },
+    closeBundle() {
+      const diff = warningsToIgnore.filter((x) => !mutedMessages.has(x.join()));
+      if (diff.length > 0) {
+        this.warn('Some of your muted warnings never appeared during the build process:');
+        diff.forEach((m) => this.warn(`- ${m.join(': ')}`));
+      }
+    },
+  };
+};
+
 export default defineConfig(async () => {
   const { default: rehypePrettyCode } = await import('rehype-pretty-code');
 
@@ -58,6 +98,11 @@ export default defineConfig(async () => {
     },
 
     plugins: [
+      // some imported react code has sourcemap issues
+      muteWarningsPlugin([
+        ['SOURCEMAP_ERROR', "Can't resolve original location of error"],
+        ['MODULE_LEVEL_DIRECTIVE', 'use client'],
+      ]),
       rawSource(),
       qwikCity({
         mdxPlugins: {
@@ -128,16 +173,6 @@ export default defineConfig(async () => {
     build: {
       sourcemap: true,
       rollupOptions: {
-        // For some unknown reason, types don't work from tsc
-        // Try removing these any casts and see if it works
-        onLog(level: any, log: any, defaultHandler: any) {
-          if (level == 'warn' && log.code === 'MODULE_LEVEL_DIRECTIVE') {
-            // Suppress errors like these:
-            // FILE Module level directives cause errors when bundled, "use client" in FILE was ignored.
-            return;
-          }
-          defaultHandler(level, log);
-        },
         output: {
           assetFileNames: 'assets/[hash]-[name].[ext]',
         },

packages/qwik-city/src/buildtime/vite/image-jsx.ts

@@ -88,23 +88,28 @@ export function imagePlugin(userOpts?: QwikCityVitePluginOptions): PluginOption[
               this.error(`Image '${id}' could not be optimized to JSX`);
             }
             const index = code.indexOf('export default');
-            return (
-              code.slice(0, index) +
-              `
+            return {
+              code:
+                code.slice(0, index) +
+                `
   import { _jsxQ } from '@builder.io/qwik';
   const PROPS = {srcSet, width, height};
   export default function (props, key, _, dev) {
     return _jsxQ('img', {...{decoding: 'async', loading: 'lazy'}, ...props}, PROPS, undefined, 3, key, dev);
-  }`
-            );
+  }`,
+              map: null,
+            };
           } else if (extension === '.svg') {
             const { svgAttributes } = optimizeSvg({ code, path: pathId }, userOpts);
-            return `
+            return {
+              code: `
   import { _jsxQ } from '@builder.io/qwik';
   const PROPS = ${JSON.stringify(svgAttributes)};
   export default function (props, key, _, dev) {
     return _jsxQ('svg', props, PROPS, undefined, 3, key, dev);
-  }`;
+  }`,
+              map: null,
+            };
           }
         }
         return null;

packages/qwik-city/src/buildtime/vite/plugin.ts

@@ -202,7 +202,7 @@ function qwikCityPlugin(userOpts?: QwikCityVitePluginOptions): any {
         const fileName = basename(id);
         if (isMenuFileName(fileName)) {
           const menuCode = await transformMenu(ctx.opts, id, code);
-          return menuCode;
+          return { code: menuCode, map: null };
         }
         if (mdxTransform) {
           try {

packages/qwik/src/optimizer/src/plugins/rollup.ts

@@ -39,11 +39,12 @@ export function qwikRollup(qwikRollupOpts: QwikRollupPluginOptions = {}): any {
     async options(inputOpts) {
       await qwikPlugin.init();
 
+      const origOnwarn = inputOpts.onwarn;
       inputOpts.onwarn = (warning, warn) => {
         if (warning.plugin === 'typescript' && warning.message.includes('outputToFilesystem')) {
           return;
         }
-        warn(warning);
+        origOnwarn ? origOnwarn(warning, warn) : warn(warning);
       };
 
       const pluginOpts: QwikPluginOptions = {

packages/qwik/src/optimizer/src/plugins/vite.ts

@@ -355,6 +355,7 @@ export function qwikVite(qwikViteOpts: QwikVitePluginOptions = {}): any {
 
         updatedViteConfig.build!.cssCodeSplit = false;
         updatedViteConfig.build!.outDir = buildOutputDir;
+        const origOnwarn = updatedViteConfig.build!.rollupOptions?.onwarn;
         updatedViteConfig.build!.rollupOptions = {
           input: opts.input,
           output: normalizeRollupOutputOptions(
@@ -369,7 +370,7 @@ export function qwikVite(qwikViteOpts: QwikVitePluginOptions = {}): any {
             if (warning.plugin === 'typescript' && warning.message.includes('outputToFilesystem')) {
               return;
             }
-            warn(warning);
+            origOnwarn ? origOnwarn(warning, warn) : warn(warning);
           },
         };