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Graph/module-side-effect-load-order

AntiPattern

Module Side-Effect Load Order

module-side-effect-load-order

Client/server and build-time module loading fails when initialization happens in the wrong execution context: bundlers leave placeholders, mocks miss transitive exports, wrappers alter runtime types, and startup code is skipped or deferred to other listeners.

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Updated7/1/2026

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30 linked nodes

MATCHESSolution

so by wrapping components like — import dynamic from 'next/dynamic';. Tension: your child components will not use ssr. Outcome: remember to add 'use client' as well.

MATCHESSolution

Create/move the React.lazy import initialization so it isn’t executed on every render (e.g., place the lazy call in the same component as Suspense) to ensure the import is stable and doesn’t trigger repeated re-renders.

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Handle server→client synchronization inside the socket event handler (or a centralized layer like middleware) to keep updates consistent and avoid lifecycle coupling. Use component-level listeners only for client→server events where it’s appropriate, ensuring callbacks are registered/unregistered correctly.

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Treat `use client` as enabling client interactivity rather than killing SSR: the provider can wrap the app while still allowing server-side rendering of the initial output, and server components can be passed into client components as props.

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Tension: every other upgrade falls through to Next's own upgrade listener. Outcome: No `noServer: true`, no manual `server.on('upgrade', …)`, no path routing.

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What should be done in each page like this — export default async function AdminUsersList(). Tension: I just can't figure out why it doesn't pick it up from layout. Outcome: This.

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Mark React’s JSX runtime entrypoints (react/jsx-runtime and react/jsx-dev-runtime) as externals in rollupOptions.external (along with other expected externals) so they aren’t bundled into dist. Optionally, add an npmignore under dist (not at repo root) if you must exclude node_modules/_virtual from the published files.

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changed `moduleResolution` from `nodenext` to `bundler` — tsconfig.base.json. Tension: Module not found: Can't resolve '@models/business/Business.model'. Outcome: webpack build went successful.

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post-start failures. Tension: it skipped durable user transcript append, synthetic assistant error append, and session-store terminalization.

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Ensure background.js is not imported into the content script; move shared variables/code into the content script (or a separate shared module) so background.js only runs in the service worker, and apply the Sentry.WINDOW.document workaround there.

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document.getElementById("sentry-script").addEventListener("load", () => { — By using the defer attribute. Outcome: the script will only execute, and Sentry will initialize, once the full Sentry resource has been completely loaded.

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There are a few things you can do. The first thing I would try is having a function which evaluates after import — the test setup will do the middleware patch. Tension: your function will return the correct value.

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Fix the imports to consistently reference the same module path (e.g., remove the `src.` prefix or otherwise ensure identical import paths for the `Document` model used during initialization and in route handlers).

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Lift the transport map to module scope. Tension: NOT inside the route closure or the request handler. Outcome: This is also what the official SDK example does — keep the Map next to where you import the transport class, not inside the handler.

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"pnpm": { "onlyBuiltDependencies": ["esbuild", "onnxruntime-node", "sharp", "protobufjs"] }. Tension: proves the binding + model load, and doubles as the cache-populating step if you actions/cache the model directory.

MATCHESSolution

have you restarted the nextjs development server? — Ensure `tsconfig.json` is being used by the ts compiler. Tension: The import order, make sure that `utils.d.ts` file is being imported before any other file that uses custom declarations. Outcome: if the problem persist, could you share the webpack/ babel configs?

MATCHESSolution

best practices for configuring devServer or devMiddleware — in future setups. Tension: prevent such vulnerabilities. Outcome: without upgrading the entire Vue CLI or webpack stack.

MATCHESSolution

`load` is still available. — if I set `os` and `io` to `nil` before running the script. Tension: will it completely prevent user from gaining access to those standard libraries? Outcome: This will allow loading malicious bytecode.

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Stage 2 (startup). Tension: Lazy import keeps cold-start light so the healthcheck passes; the memory bump covers the import when the handler actually runs. Outcome: functions-framework can bind the port.

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A workaround to this issue is to explicitly read the default export. — This works in all bundlers and safe for both ESM and CJS. Tension: Then use ``. Outcome: const Slider = SliderImport.default ?? SliderImport;.

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Ensure the <script type="importmap"> element is positioned in the document head before any module scripts that import React (place it at the very top of <head>) so the map is applied on every reload.

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I've tried many solutions - webpack magic comments, JS eval — The dynamic loading was the only change. Outcome: it worked in a way that bundle is no 700kB instead of 6mb.

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TypeScript now compiles test.ts to test.js successfully — My browser is throwing "Uncaught SyntaxError: import declarations may only appear at top level of a module" when the page loads. Outcome: TypeScript now compiles test.ts to test.js successfully. But now I have a different error.

MATCHESSolution

Export the components from the bundle and access them from webpackLib before calling React.createElement

MATCHESSolution

Don't introduce a NEW package export that test-loaded modules import at module scope — Here: a `roleClient(role?)` helper in the consumer package (`etl/llm-route.ts`). Tension: it forces you to update every `vi.mock` factory, and missing one re-breaks CI.

MATCHESSolution

Don't build per-client adapters. — client capabilities change with updates. Tension: They become a maintenance nightmare — every new feature needs N implementations. Outcome: one delivery function that degrades.

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Universal hook set for MCP behavioral activation. Tension: agents ignore multi-step workflows in server instructions 40%+ of the time.

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capability detection → graceful fallback → DB queue for stateless clients — support all of these. Tension: There's no single mechanism that works everywhere. Outcome: capability negotiation is the only viable pattern.

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Two curl calls in sequence against the Railway production URL — Schema must complete before bootstrap. Tension: bootstrap needs the constraints and vector indexes in place. Outcome: Apply schema first (synchronous — waits for completion).

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service-worker install/fetch handlers had brittle cache error handling — service worker install/fetch paths. Tension: brittle cache error handling. Outcome: tolerant precache and explicit offline responses.

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