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Tidy Instant config types and ValidationLevel placement #94323

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Tidy Instant config types and ValidationLevel placement #94323

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939f8de
refactor: use boolean instead of true | false in Instant type/schema
icyJoseph Jun 1, 2026
87df111
fix: move ValidationLevel so NextConfig keeps its TSDoc
icyJoseph Jun 1, 2026
04f9a35
Merge branch 'canary' into fix/types-and-js-docs
icyJoseph Jun 2, 2026
37e472a
Merge branch 'canary' into fix/types-and-js-docs
icyJoseph Jun 4, 2026
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8 changes: 2 additions & 6 deletions packages/next/src/build/segment-config/app/app-segment-config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,7 @@ const InstantConfigObjectSchema = z
})
.strict()

const InstantConfigSchema = z.union([
InstantConfigObjectSchema,
z.literal(true),
z.literal(false),
])
const InstantConfigSchema = z.union([InstantConfigObjectSchema, z.boolean()])

const PrefetchSchema = z.enum([
'auto',
Expand All @@ -43,7 +39,7 @@ const PrefetchSchema = z.enum([
'force-runtime',
])

export type Instant = InstantConfig | true | false
export type Instant = InstantConfig | boolean

export type Prefetch =
| 'auto'
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13 changes: 6 additions & 7 deletions packages/next/src/server/config-shared.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -439,6 +439,12 @@ export function resolveCssChunkingMode(
return 'loose'
}

export type ValidationLevel =
| 'warning'
| 'manual-warning'
| 'experimental-error'
| 'experimental-manual-error'

export interface ExperimentalConfig {
/**
* A string that is incorporated into content-addressed output filenames
Expand Down Expand Up @@ -1357,13 +1363,6 @@ export type ExportPathMap = {
*
* Read more: [Next.js Docs: `next.config.js`](https://nextjs.org/docs/app/api-reference/config/next-config-js)
*/

export type ValidationLevel =
| 'warning'
| 'manual-warning'
| 'experimental-error'
| 'experimental-manual-error'

export interface NextConfig {
allowedDevOrigins?: string[]

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