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web: do not prefetch wa-sqlite wasm module on desktop

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This commit is contained in:
Abdullah Atta
2024-11-13 17:52:40 +05:00
parent 0a9bfd4b69
commit 9d12ef82c0
2 changed files with 66 additions and 3 deletions
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1
apps/web/src/index.html
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@@ -40,7 +40,6 @@
<style id="theme-colors"></style>
<script type="module" src="./index.ts"></script>
<link rel="prefetch" type="wasm" href="./common/sqlite/wa-sqlite.wasm" />
<style>
html {
overscroll-behavior: none;

68
apps/web/vite.config.ts
View File

@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { PluginOption, defineConfig } from "vite";
import { Plugin, PluginOption, ResolvedConfig, defineConfig } from "vite";
import react from "@vitejs/plugin-react-swc";
import svgrPlugin from "vite-plugin-svgr";
import envCompatible from "vite-plugin-env-compatible";
@@ -183,7 +183,16 @@ export default defineConfig({
namedExport: "ReactComponent"
// ...svgr options (https://react-svgr.com/docs/options/)
}
})
}),
...(isDesktop
? []
: [
prefetchPlugin({
excludeFn: (assetName) =>
assetName.includes("wa-sqlite-async") ||
!assetName.includes("wa-sqlite")
})
])
]
});
@@ -211,3 +220,58 @@ function emitEditorStyles(): OutputPlugin {
}
};
}
function prefetchPlugin(options?: {
excludeFn?: (assetName: string) => boolean;
}): Plugin {
let config: ResolvedConfig;
return {
name: "vite-plugin-bundle-prefetch",
apply: "build",
configResolved(resolvedConfig: ResolvedConfig) {
// store the resolved config
config = resolvedConfig;
},
transformIndexHtml(
html: string,
ctx: {
path: string;
filename: string;
bundle?: import("rollup").OutputBundle;
chunk?: import("rollup").OutputChunk;
}
) {
const bundles = Object.keys(ctx.bundle ?? {});
const isLegacy = bundles.some((bundle) => bundle.includes("legacy"));
if (isLegacy) {
//legacy build won't add prefetch
return html;
}
// remove map files
let modernBundles = bundles.filter(
(bundle) => bundle.endsWith(".map") === false
);
const excludeFn = options?.excludeFn;
if (excludeFn) {
modernBundles = modernBundles.filter((bundle) => !excludeFn(bundle));
}
// Remove existing files and concatenate them into link tags
const prefechBundlesString = modernBundles
.filter((bundle) => html.includes(bundle) === false)
.map((bundle) => `<link rel="prefetch" href="${config.base}${bundle}">`)
.join("\n");
// Use regular expression to get the content within <head> </head>
const headContent = html.match(/<head>([\s\S]*)<\/head>/)?.[1] ?? "";
// Insert the content of prefetch into the head
const newHeadContent = `${headContent}${prefechBundlesString}`;
// Replace the original head
html = html.replace(
/<head>([\s\S]*)<\/head>/,
`<head>${newHeadContent}</head>`
);
return html;
}
};
}