forked from imbytecat/fullstack-starter
53 lines
1.8 KiB
TypeScript
53 lines
1.8 KiB
TypeScript
import { existsSync } from 'node:fs'
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import { readFile, writeFile } from 'node:fs/promises'
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import { z } from 'zod'
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const JOURNAL = './drizzle/meta/_journal.json'
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const OUTPUT = './src/server/db/migrations.gen.ts'
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const SQL_RELATIVE_FROM_OUTPUT = '../../../drizzle'
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const journalEntrySchema = z.object({
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idx: z.number().int().nonnegative(),
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tag: z.string().regex(/^\d{4}_[a-z0-9_]+$/),
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when: z.number().int().nonnegative(),
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breakpoints: z.boolean(),
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})
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const journalSchema = z.object({ entries: z.array(journalEntrySchema).default([]) })
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type JournalEntry = z.infer<typeof journalEntrySchema>
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const readJournalEntries = async (): Promise<JournalEntry[]> => {
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if (!existsSync(JOURNAL)) {
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return []
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}
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const raw: unknown = JSON.parse(await readFile(JOURNAL, 'utf-8'))
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return journalSchema.parse(raw).entries.sort((a, b) => a.idx - b.idx)
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}
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const main = async () => {
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const entries = await readJournalEntries()
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const imports = entries
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.map((e) => `import sql_${e.idx} from '${SQL_RELATIVE_FROM_OUTPUT}/${e.tag}.sql' with { type: 'text' }`)
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.join('\n')
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const arrayBody = entries.length
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? `[\n${entries.map((e) => ` { tag: '${e.tag}', sql: sql_${e.idx}, when: ${e.when}, breakpoints: ${e.breakpoints} },`).join('\n')}\n]`
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: '[]'
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const out = `// AUTO-GENERATED by \`bun run db:embed\`. Do not edit.
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${imports ? `${imports}\n` : ''}
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export type EmbeddedMigration = { tag: string; sql: string; when: number; breakpoints: boolean }
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export const embeddedMigrations: readonly EmbeddedMigration[] = ${arrayBody}
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`
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await writeFile(OUTPUT, out)
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console.log(`✓ ${OUTPUT} (${entries.length} migration${entries.length === 1 ? '' : 's'})`)
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}
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main().catch((err) => {
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console.error('❌', err instanceof Error ? err.message : err)
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process.exit(1)
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})
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