Function sanitizeSurrogates

packages/opencode/src/provider/transform.ts:25–27

(content: string)

const INCLUDE_ENCRYPTED_REASONING = ["reasoning.encrypted_content"] as const

export function sanitizeSurrogates(content: string) {
  return content.replace(/[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?<![\uD800-\uDBFF])[\uDC00-\uDFFF]/g, "\uFFFD")
}

// Maps npm package to the key the AI SDK expects for providerOptions
function sdkKey(npm: string): string | undefined {