konnosoverrides.ts58 lines · main
| 1 | import enabledFeaturesRaw from './enabled-features.json' with { type: 'json' } |
| 2 | |
| 3 | const knownFeatureKeys = Object.keys(enabledFeaturesRaw).filter((key) => key !== '$schema') |
| 4 | |
| 5 | const ENV_PREFIX = 'ENABLED_FEATURES_' |
| 6 | |
| 7 | // Server-only env var that short-circuits feature resolution; handled by |
| 8 | // isFeatureEnabled directly, not by this parser. |
| 9 | const RESERVED_ENV_NAMES = new Set<string>(['ENABLED_FEATURES_OVERRIDE_DISABLE_ALL']) |
| 10 | |
| 11 | function featureKeyToEnvName(feature: string): string { |
| 12 | return ENV_PREFIX + feature.toUpperCase().replace(/[^A-Z0-9]/g, '_') |
| 13 | } |
| 14 | |
| 15 | function parseBooleanEnv(raw: string): boolean | null { |
| 16 | const normalized = raw.trim().toLowerCase() |
| 17 | if (normalized === 'true') return true |
| 18 | if (normalized === 'false') return false |
| 19 | return null |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * Returns the list of feature keys disabled by ENABLED_FEATURES_* env vars. |
| 24 | * Server-only — these are not NEXT_PUBLIC_* and must be read at request time. |
| 25 | * Invalid values and prefixed env vars that don't match a known feature are |
| 26 | * logged and ignored. |
| 27 | */ |
| 28 | export function getEnabledFeaturesOverrideDisabledList( |
| 29 | env: Record<string, string | undefined> |
| 30 | ): string[] { |
| 31 | const expected = new Map<string, string>() |
| 32 | for (const key of knownFeatureKeys) { |
| 33 | expected.set(featureKeyToEnvName(key), key) |
| 34 | } |
| 35 | |
| 36 | const disabled: string[] = [] |
| 37 | for (const [envName, featureKey] of expected) { |
| 38 | const raw = env[envName] |
| 39 | if (raw === undefined || raw === '') continue |
| 40 | const parsed = parseBooleanEnv(raw) |
| 41 | if (parsed === null) { |
| 42 | console.warn( |
| 43 | `[enabled-features] ${envName} must be "true" or "false" (got "${raw}"); ignoring.` |
| 44 | ) |
| 45 | continue |
| 46 | } |
| 47 | if (parsed === false) disabled.push(featureKey) |
| 48 | } |
| 49 | |
| 50 | for (const envName of Object.keys(env)) { |
| 51 | if (!envName.startsWith(ENV_PREFIX)) continue |
| 52 | if (expected.has(envName)) continue |
| 53 | if (RESERVED_ENV_NAMES.has(envName)) continue |
| 54 | console.warn(`[enabled-features] ${envName} does not match any known feature; ignoring.`) |
| 55 | } |
| 56 | |
| 57 | return disabled |
| 58 | } |