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docs: fix typo and clarify generateFunctionId example #5728

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8 changes: 5 additions & 3 deletions docs/start/framework/react/guide/server-functions.md
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Original file line number Diff line number Diff line change
Expand Up @@ -241,7 +241,7 @@ You can customize function ID generation for the production build by providing a

Prefer deterministic inputs (filename + functionName) so IDs remain stable between builds.

Please note that this customization is **experimental** und subject to change.
Please note that this customization is **experimental** and subject to change.

Example:

Expand All @@ -256,12 +256,14 @@ export default defineConfig({
tanstackStart({
serverFns: {
generateFunctionId: ({ filename, functionName }) => {
// Return a custom ID string. If you return undefined, the default is used.
// Return a custom ID string
return crypto
.createHash('sha1')
.update(`${filename}--${functionName}`)
.digest('hex')
return undefined

// If you return undefined, the default is used
// return undefined
},
},
}),
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