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// Copyright (c) 2024–2026 Flavio De Musso
import pc from 'picocolors'
import type { Seed } from '@beechcms/core'
import { SEED_REGISTRY, sortSeedsByDependencies } from '@beechcms/core'
export interface ValidateOptions {
registry?: Record<string, Seed> | null
}
export interface SeedValidationError {
slug: string
messages: string[]
/** true = abort seed:load; false = warning only */
fatal: boolean
}
export function validateSeeds(registry: Record<string, Seed>): SeedValidationError[] {
const result: SeedValidationError[] = []
// ── Fatal check 1: unknown relation targets ──────────────────────────────
for (const seed of Object.values(registry)) {
const messages: string[] = []
for (const branch of seed.branches) {
if (branch.type === 'relation' && branch.targetSeed) {
if (!registry[branch.targetSeed]) {
messages.push(
`branch '${branch.alias}' targets unknown seed '${branch.targetSeed}'`,
)
}
}
}
if (messages.length > 0) {
result.push({ slug: seed.slug, messages, fatal: true })
}
}
// ── Fatal check 2: multi-relation with SET NULL ──────────────────────────
for (const seed of Object.values(registry)) {
const messages: string[] = []
for (const branch of seed.branches) {
if (branch.type === 'relation' && branch.multiple === true) {
if (branch.onDelete === 'SET NULL') {
messages.push(
`Branch '${branch.alias}': multi-relations cannot use ON DELETE SET NULL. ` +
`Use 'CASCADE' or 'RESTRICT'.`,
)
}
}
}
if (messages.length > 0) {
result.push({ slug: seed.slug, messages, fatal: true })
}
}
// ── Fatal check 3: junction table name collisions ────────────────────────
{
const junctionNames = new Set<string>()
for (const seed of Object.values(registry)) {
const messages: string[] = []
for (const branch of seed.branches) {
if (branch.type !== 'relation' || branch.multiple !== true) continue
const name = `rel_${seed.slug}_${branch.alias}`
if (name.length > 256) {
messages.push(`Junction table name '${name}' exceeds 256 characters (${name.length})`)
}
if (junctionNames.has(name)) {
messages.push(`Junction table name collision: '${name}' already used by another seed/branch`)
}
junctionNames.add(name)
}
if (messages.length > 0) {
result.push({ slug: seed.slug, messages, fatal: true })
}
}
}
// ── Fatal check 4: dependency cycles ────────────────────────────────────
// Skip if unknown targets were found — sortSeedsByDependencies would throw
// on the same unknown targets, producing duplicate fatal messages.
const hasUnknownTargets = result.some(e => e.fatal)
if (!hasUnknownTargets) {
try {
sortSeedsByDependencies(Object.values(registry))
} catch (err) {
const msg = err instanceof Error ? err.message : String(err)
result.push({ slug: '<graph>', messages: [msg], fatal: true })
}
}
// ── Warning checks (existing) ────────────────────────────────────────────
const slugsSeen = new Set<string>()
for (const seed of Object.values(registry)) {
const messages: string[] = []
if (slugsSeen.has(seed.slug)) {
messages.push(`duplicate slug "${seed.slug}" — each seed must have a unique slug`)
}
slugsSeen.add(seed.slug)
const aliasesSeen = new Set<string>()
for (const branch of seed.branches) {
if (aliasesSeen.has(branch.alias)) {
messages.push(`duplicate branch alias "${branch.alias}"`)
}
aliasesSeen.add(branch.alias)
}
const allAliases = new Set(seed.branches.map(b => b.alias))
if (!allAliases.has(seed.displayNameAlias)) {
messages.push(`displayNameAlias "${seed.displayNameAlias}" not found in branches`)
}
if (messages.length > 0) {
result.push({ slug: seed.slug, messages, fatal: false })
}
}
return result
}
export async function validate(args: ValidateOptions): Promise<void> {
const registry = args.registry ?? SEED_REGISTRY
if (Object.keys(registry).length === 0) {
console.warn(pc.yellow('\n Warning: SEED_REGISTRY is empty. Create a seeds.ts in your project root.\n'))
return
}
console.log(pc.cyan('\n beech validate — checking seeds\n'))
const errors = validateSeeds(registry)
const fatalErrors = errors.filter(e => e.fatal)
const warnings = errors.filter(e => !e.fatal)
// Print fatal errors first
for (const e of fatalErrors) {
console.log(pc.red(` ✗ ${e.slug} (fatal)`))
for (const msg of e.messages) {
console.log(pc.red(` → ${msg}`))
}
}
// Print per-seed warnings
const warningMap = new Map(warnings.map(e => [e.slug, e.messages]))
const allWarningSlugsSeen = new Set(warnings.map(e => e.slug))
for (const seed of Object.values(registry)) {
const msgs = warningMap.get(seed.slug)
if (!msgs) {
if (!allWarningSlugsSeen.has(seed.slug)) {
// only print ✓ if no fatal error for this slug either
const hasFatal = fatalErrors.some(e => e.slug === seed.slug)
if (!hasFatal) console.log(pc.green(` ✓ ${seed.slug}`))
}
} else {
console.log(pc.yellow(` ⚠ ${seed.slug}`))
for (const msg of msgs) {
console.log(pc.yellow(` → ${msg}`))
}
}
}
console.log('')
const totalFatal = fatalErrors.reduce((n, e) => n + e.messages.length, 0)
const totalWarnings = warnings.reduce((n, e) => n + e.messages.length, 0)
if (totalFatal > 0) {
const s = totalFatal !== 1 ? 's' : ''
console.log(pc.red(` Found ${totalFatal} fatal error${s}. Fix before loading.\n`))
process.exit(1)
} else if (totalWarnings > 0) {
const s = totalWarnings !== 1 ? 's' : ''
console.log(pc.yellow(` Found ${totalWarnings} warning${s}. Review seeds above.\n`))
} else {
console.log(pc.green(' All seeds valid.\n'))
}
}
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