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opencode v2 mirror
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TypeScript
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374// Effect gives shared anonymous schemas encounter-order names (`Union_3`). Replace those names// with a hash of their canonical shape and sort components so unrelated additions stay local.export function stabilizeOpenApi(source: object) { const document = source as { components: { schemas: Record<string, unknown> } } const schemas = document.components.schemas const reference = (name: string) => `#/components/schemas/${name}` const families = ["Union", "Objects", "Arrays"].filter((name) => `${name}_` in schemas) const anonymous = new Map( Object.keys(schemas) .filter((name) => families.some((family) => new RegExp(`^${family}_\\d*$`).test(name))) .map((name) => [name, schemas[name]]), )
const canonical = (node: unknown, seen = new Set<string>()): unknown => { if (Array.isArray(node)) return node.map((item) => canonical(item, seen)) if (typeof node !== "object" || node === null) return node const $ref = "$ref" in node && typeof node.$ref === "string" ? node.$ref : undefined const name = $ref?.startsWith(reference("")) ? $ref.slice(reference("").length) : undefined if (name !== undefined && anonymous.has(name)) { if (seen.has(name)) throw new Error(`Recursive anonymous OpenAPI component: ${name}`) return Object.fromEntries([ ["$ref", canonical(anonymous.get(name), new Set([...seen, name]))], ...Object.entries(node) .filter(([key]) => key !== "$ref") .sort(([left], [right]) => (left < right ? -1 : left > right ? 1 : 0)) .map(([key, value]) => [key, canonical(value, seen)]), ]) } return Object.fromEntries( Object.entries(node) .sort(([left], [right]) => (left < right ? -1 : left > right ? 1 : 0)) .map(([key, value]) => [key, canonical(value, seen)]), ) } const renames = new Map( [...anonymous].map(([name, schema]) => { const hash = new Bun.CryptoHasher("sha256") .update(JSON.stringify(canonical(schema))) .digest("hex") .slice(0, 12) return [name, `${name.replace(/_\d*$/, "")}_${hash}`] as const }), ) const rewrite = (node: unknown): unknown => { if (Array.isArray(node)) return node.map(rewrite) if (typeof node !== "object" || node === null) return node return Object.fromEntries( Object.entries(node).map(([key, value]) => { if (key !== "$ref" || typeof value !== "string" || !value.startsWith(reference(""))) { return [key, rewrite(value)] } const name = value.slice(reference("").length) return [key, reference(renames.get(name) ?? name)] }), ) } const result = rewrite(document) as typeof document const stable = new Map<string, unknown>() for (const [name, schema] of Object.entries(result.components.schemas)) { const target = renames.get(name) ?? name const previous = stable.get(target) if (previous !== undefined && JSON.stringify(canonical(previous)) !== JSON.stringify(canonical(schema))) { throw new Error(`Content-addressed OpenAPI component collision: ${target}`) } stable.set(target, schema) } result.components.schemas = Object.fromEntries( [...stable].sort(([left], [right]) => (left < right ? -1 : left > right ? 1 : 0)), ) return result}