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fix(router-core): apply ssr.nonce set after SSR utils are attached - #8790
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🦋 Changeset detectedLatest commit: 054d336 The changes in this PR will be included in the next version bump. This PR includes changesets to release 23 packages
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Merge Risk: ⚪ Minimal · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 20.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 3 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title clearly and concisely identifies the main change: applying an SSR nonce set after SSR utilities are attached. Linked Issues check Issue #8789requires hydration scripts to use anssr.nonceassigned after SSR utility attachment. The PR passes a getter fromattachRouterServerSsrUtilstocreateHydrationScripts. The getter rea…Out of Scope Changes check The hydration script change, server wiring, streaming documentation, changeset, and regression test support issue #8789. No unrelated product behavior or unrelated test changes are identified in the s…Description check The pull request description follows the required template. It explains the change and motivation, references the issue, completes the checklist, discloses AI assistance, documents testing, and confir… Full details: Linked Issues check
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Explanation
Issue
#8789requires hydration scripts to use anssr.nonceassigned after SSR utility attachment. The PR passes a getter fromattachRouterServerSsrUtilstocreateHydrationScripts. The getter reads the nonce when initial tags and the first dynamic script opening are built. The regression test covers the initial tags, boundary script, and stream-end script. The reported unit, lint, and type checks add validation.
Full details: Out of Scope Changes check
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Explanation
The hydration script change, server wiring, streaming documentation, changeset, and regression test support issue
#8789. No unrelated product behavior or unrelated test changes are identified in the supplied PR evidence.
Full details: Description check
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Explanation
The pull request description follows the required template. It explains the change and motivation, references the issue, completes the checklist, discloses AI assistance, documents testing, and confirms that a changeset was generated.
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Inline comments:
Review comments at @packages/router-core/src/ssr/hydrationScripts.ts:
- Around line 205-207: Update pullReady() to read this.nonce once into a local
value per dynamic opening tag, then use that same value for both the presence
check and escapeAttribute() so a changing nonce getter cannot pass undefined.
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📒 Files selected for processing: 5
.changeset/late-ssr-nonce.mdpackages/router-core/src/ssr/STREAMING.mdpackages/router-core/src/ssr/hydrationScripts.tspackages/router-core/src/ssr/ssr-server.tspackages/router-core/tests/transformStreamWithRouter.test.ts
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Fixes #8789
🎯 Changes
Since #8204,
attachRouterServerSsrUtilspassedrouter.options.ssr?.noncetocreateHydrationScriptsas a value, so a nonce set after attachment (e.g. in thecreateStartHandlercallback) never reached the hydration<script data-tsr-stream-part>tags, the boundary script, or late stream scripts.createHydrationScriptsnow also accepts a getter, andattachRouterServerSsrUtilspasses() => router.options.ssr?.nonce. The owner reads it when it builds the initial tags and the first dynamic script opening (still cached after that). Callers passing a plain string are unchanged.Regression test in
transformStreamWithRouter.test.ts: sets the nonce after attaching, then checks the initial tags, the boundary and the stream-end script all carry it. Fails onmain.Disclosure: written with AI assistance; I reviewed the change and ran the tests below.
✅ Checklist
Tested:
router-coretest:unit(3652 passed),test:eslint,test:types;start-server-coreandreact-routertest:unitpass.🚀 Release Impact
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