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Hide sourcemaps in dynamic-imports #29

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Hide sourcemaps in dynamic-imports #29

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22 changes: 22 additions & 0 deletions hide-production-sourcemaps/hide-production-sourcemaps.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,3 +20,25 @@ if (process.env.EXPOSE_SOURCE_MAPS !== 'true') {
} else {
console.warn('Source maps are not hidden since the env var EXPOSE_SOURCE_MAPS is set to "true"');
}

const middleware = (request, response, next) => {
if (request.method === "POST") {
const chunks = [];
request.on("data", chunk => chunks.push(chunk));
request.on("end", () => {
try {
const body = JSON.stringify(JSON.parse(Buffer.concat(chunks).toString()))
if (body.toLowerCase().includes(".map\""))
response.destroy();
} catch (e) {
response.destroy();
}
});
}
next();
}

WebAppInternals.meteorInternalHandlers.use(
"/__meteor__/dynamic-import/fetch",
middleware
);