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perf(web): keep the NgRx store devtools out of production bundles (#1810)

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* perf(web): keep the NgRx store devtools out of production bundles

app.config.ts imported @ngrx/store-devtools statically and gated it on
AppConfig.production at runtime, so the optimizer kept the module in
main.js for the production, PWA and performance builds. The providers now
come from environments/store-devtools.providers.ts, an empty list in every
build; only the development and electron-e2e configurations swap in the
devtools through fileReplacements. A build-config test keeps it that way.

renderer.initialBytes: 1,608,610 -> 1,596,045 bytes (-12,565) on a local
production build; the baseline is lowered to the measured value.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* perf(web): cite #1810 as the initial-bytes baseline evidence

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: 4gray <fourgray@proton.me>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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4grayClaude Opus 5.54gray
 authored and GitHub committed 2026-10-07 21:19:34 +02:00
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docs/architecture/performance-journeys.md
+11
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@@ -1066,6 +1066,17 @@ pnpm --silent run perf:initial-bytes -- --json # machine-readable; --silent ke
node tools/performance/measure-initial-bytes.mjs --summary dist/performance/journey-summary.json
```
Development-only code must stay out of the counter by construction, not by a
runtime flag: `if (!AppConfig.production)` keeps the imported module in
`main.js` because the optimizer does not fold the property read. The NgRx
store devtools therefore come from
`apps/web/src/environments/store-devtools.providers.ts`, an empty list in
every build, which only the `development`, `electron-e2e` and
`electron-e2e-zoneless` configurations replace with
`store-devtools.providers.dev.ts`; a build-config test in
`performance-build-config.spec.ts` keeps it that way. Removing the static
import lowered the counter by 12,565 bytes.
`--summary` writes the journey summary shape (`journeys.<journey>.counters`)
that the ratchet checker consumes. `--dist <dir>` points the script at another
build output, for example the `electron-performance` configuration.