export function crawlReference()

in packages/rulesets/src/native/utilities/ref-helper.ts [12:40]

• 28 lines of code
• 9 McCabe index (conditional complexity)

export function crawlReference(doc: any, schema: any, inventory?: ISwaggerInventory): any {
  const getRefModel = (docToSearch: any, refValue: string, visited: string[]) => {
    if (visited.includes(refValue)) {
      throw new Error("Found circle reference: " + visited.join("->"))
    }
    visited.push(refValue)
    const refSlices = parseJsonRef(refValue)
    const pathExpression = refSlices[1].split("/").slice(1)
    try {
      const result = nodes(docToSearch, stringify(pathExpression))
      return result.length !== 0 ? result[0].value : undefined
    } catch (err) {
      return undefined
    }
  }

  if (schema && doc) {
    if (schema.$ref) {
      const refSlices = parseJsonRef(schema.$ref)
      if (inventory && refSlices[0]) {
        doc = inventory.getDocuments(refSlices[0])
      }
      schema = getRefModel(doc, `#${refSlices[1]}`, [])
      return crawlReference(doc, schema, inventory)
    }
    return schema
  }
  return undefined
}