Function resolveProvider

codemods/move-sampling-to-model-options/transform.ts:190–199

* Resolve the provider from a call's first object argument by inspecting its * `adapter` property. Returns the provider, or `null` if it can't be * resolved (no adapter, non-call adapter, spread, or unknown factory).

(obj: ObjectExpression)

 * resolved (no adapter, non-call adapter, spread, or unknown factory).
 */
function resolveProvider(obj: ObjectExpression): Provider | null {
  const adapterProp = findKey(obj, 'adapter')
  if (!adapterProp) return null
  const value = adapterProp.value
  if (!value || value.type !== 'CallExpression') return null
  const callee = (value as CallExpression).callee
  if (callee.type !== 'Identifier') return null
  const provider = FACTORY_TO_PROVIDER[(callee as Identifier).name]
  return provider ?? null
}

interface Conflict {
  filePath: string