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feat(csr): diagnose missing output binding functions

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This commit is contained in:
Clintchiz
2026-08-09 13:06:56 +05:30
parent 35cd28aad4
commit 709a38feb4
2 changed files with 49 additions and 0 deletions
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packages/csr/test/reactive.test.ts
+35
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@@ -689,6 +689,41 @@ test("development runtime warns once for an output with no parent binding", () =
expect(String(warnings[0]?.[0])).toContain("WRN-DEV-OUTPUT-UNHANDLED");
});
test("development runtime warns when a component binding names a missing function", () => {
const win = new Window() as unknown as Window & Record<string, unknown>;
win.document.body.innerHTML =
`<div data-scope="">` +
`<div data-scope="" data-wrn-hydration="Child:x">` +
`<div data-wrn-events="save" data-wrn-out-save="missingSave(payload)"></div>` +
`</div></div>`;
(globalThis as Record<string, unknown>).window = win;
(globalThis as Record<string, unknown>).document = win.document;
(globalThis as Record<string, unknown>).location = win.location;
(globalThis as Record<string, unknown>).NodeFilter = (win as unknown as { NodeFilter: unknown }).NodeFilter;
(globalThis as Record<string, unknown>).MutationObserver = (win as unknown as { MutationObserver: unknown }).MutationObserver;
(globalThis as Record<string, unknown>).CustomEvent = (win as unknown as { CustomEvent: unknown }).CustomEvent;
const warnings: unknown[][] = [];
const originalWarn = console.warn;
const originalError = console.error;
console.warn = (...args: unknown[]) => warnings.push(args);
console.error = () => {};
try {
(0, eval)(getReactiveRuntime(true));
(win as unknown as { __wrnexusHydrateScopes?: (root: unknown) => void }).__wrnexusHydrateScopes?.(win.document);
const target = win.document.querySelector("[data-wrn-events]") as unknown as {
__wrnexusOutputHandlers?: Record<string, Set<(payload: unknown) => unknown>>;
};
target.__wrnexusOutputHandlers?.save?.forEach((handler) => handler({ id: 1 }));
target.__wrnexusOutputHandlers?.save?.forEach((handler) => handler({ id: 2 }));
} finally {
console.warn = originalWarn;
console.error = originalError;
}
expect(warnings).toHaveLength(1);
expect(String(warnings[0]?.[0])).toContain("WRN-DEV-BINDING-MISSING");
expect(String(warnings[0]?.[0])).toContain("missingSave");
});
test("production runtime strips development diagnostics", () => {
const production = getReactiveRuntime();
expect(production).not.toContain("WRN-DEV-");