Function constructor

packages/db/src/indexes/base-index.ts:108–119

(
    id: number,
    expression: BasicExpression,
    name?: string,
    options?: any,
  )

  protected hasCustomComparator = false

  constructor(
    id: number,
    expression: BasicExpression,
    name?: string,
    options?: any,
  ) {
    this.id = id
    this.expression = expression
    this.compareOptions = DEFAULT_COMPARE_OPTIONS
    this.name = name
    this.initialize(options)
  }

  // Abstract methods that each index type must implement
  abstract add(key: TKey, item: any): void