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## Summary `oxc_react_compiler` had no committed test over the upstream React Compiler fixture corpus — the fixtures lived only in the `oxc-project/forked-react-compiler` checkout, exercised out-of-tree. That gap let real regressions slip past the 15 in-crate integration tests. This PR closes it. - **`crates/oxc_react_compiler/fixtures/`** — 1734 fixture *input* files (`.js`/`.ts`/`.tsx`/`.jsx`/`.mjs`), copied from the fork's `babel-plugin-react-compiler/src/__tests__/fixtures/compiler` tree with subdirectories preserved. Flow fixtures (the `@flow`-pragma ones) are excluded — oxc has no Flow parser. The upstream `.expect.md` goldens are also not copied; insta is the golden here. - **`crates/oxc_react_compiler/tests/snapshot.rs`** — an `insta::glob!` test that, per fixture, derives `PluginOptions`/`EnvironmentConfig` from the first-line `// @directive` pragmas (base `compilationMode=all` / `panicThreshold=all_errors`, matching the upstream `snap` runner), parses → builds semantic → runs `transform`, and snapshots the compiled output plus diagnostics. Unrecognised directives are ignored, as upstream does; camelCase flag directives map to `EnvironmentConfig` fields via `convert_case`. - **`crates/oxc_react_compiler/tests/snapshots/`** — 1734 committed `.snap` goldens (oxc's own output). - **`.typos.toml`** — excludes the fixtures dir (the upstream fixtures contain intentional typos; `**/*.snap` was already excluded). These snapshots are oxc's own golden output, so `cargo test` (and CI) now catches any change in compiler behaviour across the corpus. Regenerate after an intended change with `cargo insta accept`. ## Verification - `cargo test -p oxc_react_compiler` passes — the 1734-fixture snapshot test plus the existing 15 integration tests; also green under `--all-features` (matches the cross-target CI job). - clippy `-D warnings`, `cargo fmt`, and `typos` clean. - No fixture panics; 1336 compiled / 398 unchanged / 335 with diagnostics. - The `error.*` fixtures capture the exact diagnostics — including the "Cannot reassign variable after render" error that a recent scoping change had silently suppressed, confirming the suite catches real regressions. --- AI usage disclosure: authored with Claude Code and reviewed before submission. 🤖 Generated with [Claude Code](https://claude.com/claude-code)
26 lines
881 B
JavaScript
26 lines
881 B
JavaScript
// @validateNoSetStateInRender @enableAssumeHooksFollowRulesOfReact
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function Component(props) {
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const logEvent = useLogging(props.appId);
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const [currentStep, setCurrentStep] = useState(0);
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// onSubmit gets the same mutable range as `logEvent`, since that is called
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// later. however, our validation uses direct aliasing to track function
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// expressions which are invoked, and understands that this function isn't
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// called during render:
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const onSubmit = errorEvent => {
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logEvent(errorEvent);
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setCurrentStep(1);
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};
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switch (currentStep) {
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case 0:
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return <OtherComponent data={{foo: 'bar'}} />;
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case 1:
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return <OtherComponent data={{foo: 'joe'}} onSubmit={onSubmit} />;
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default:
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// 1. logEvent's mutable range is extended to this instruction
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logEvent('Invalid step');
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return <OtherComponent data={null} />;
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}
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}
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