Function extractPrimitive

packages/sql/src/internal/statement.ts:876–899

(
  value: unknown,
  onCustom: (
    type: Statement.Custom<string, unknown, unknown>,
    placeholder: (u: unknown) => string,
    withoutTransform: boolean
  ) => readonly [sql: string, binds: ReadonlyArray<unknown>],
  placeholder: (u: unknown) => string,
  withoutTransform: boolean
)

}

const extractPrimitive = (
  value: unknown,
  onCustom: (
    type: Statement.Custom<string, unknown, unknown>,
    placeholder: (u: unknown) => string,
    withoutTransform: boolean
  ) => readonly [sql: string, binds: ReadonlyArray<unknown>],
  placeholder: (u: unknown) => string,
  withoutTransform: boolean
): unknown => {
  if (value === undefined) {
    return null
  } else if (isFragment(value)) {
    const head = value.segments[0]
    if (head._tag === "Custom") {
      const compiled = onCustom(head, placeholder, withoutTransform)
      return compiled[1][0] ?? null
    } else if (head._tag === "Parameter") {
      return head.value
    }
    return null
  }
  return value
}

const escapeSqlite = defaultEscape("\"")