Files
opencode/packages/core/script/migration.ts
T

63 lines
2.1 KiB
TypeScript

#!/usr/bin/env bun
import { $ } from "bun"
import path from "path"
const root = path.resolve(import.meta.dirname, "../../..")
const sqlDir = path.join(root, "packages/core/migration")
const tsDir = path.join(root, "packages/core/src/database/migration")
const registry = path.join(root, "packages/core/src/database/migration.gen.ts")
await $`bun drizzle-kit generate`.cwd(path.join(root, "packages/core"))
const sqlMigrations = (await Array.fromAsync(new Bun.Glob("*/migration.sql").scan({ cwd: sqlDir })))
.map((file) => file.split("/")[0])
.filter((name) => name !== undefined)
.sort()
for (const name of sqlMigrations) {
if (await Bun.file(path.join(tsDir, `${name}.ts`)).exists()) continue
await Bun.write(path.join(tsDir, `${name}.ts`), renderMigration(name, await Bun.file(path.join(sqlDir, name, "migration.sql")).text()))
}
await Bun.write(registry, renderRegistry(sqlMigrations))
function renderMigration(name: string, sql: string) {
return `import { Effect } from "effect"
import type { DatabaseMigration } from "../migration"
export default {
id: ${JSON.stringify(name)},
up(tx) {
return Effect.gen(function* () {
${sql
.split("--> statement-breakpoint")
.map((statement) => statement.trim())
.filter((statement) => statement.length > 0)
.map(renderRun)
.join("\n")}
})
},
} satisfies DatabaseMigration.Migration
`
}
function renderRun(statement: string) {
const lines = statement.replaceAll("\t", " ").split("\n")
if (lines.length === 1) return ` yield* tx.run(\`${escapeTemplate(lines[0])}\`)`
return ` yield* tx.run(\`\n${lines.map((line) => ` ${escapeTemplate(line)}`).join("\n")}\n \`)`
}
function escapeTemplate(line: string) {
return line.replaceAll("\\", "\\\\").replaceAll("`", "\\`").replaceAll("${", "\\${")
}
function renderRegistry(names: string[]) {
return `import type { DatabaseMigration } from "./migration"
export const migrations = (await Promise.all([
${names.map((name) => ` import("./migration/${name}"),`).join("\n")}
])).map((module) => module.default) satisfies DatabaseMigration.Migration[]
`
}