index.ts

import type { Linter } from "eslint"
import type { Shared } from "../shared"
import { beginShared, terminateShared } from "../shared"
export * as meta from "../meta"

/** preprocess */
export function preprocess(code: string, filename: string): string[] {
  if (filename) {
    beginShared(filename)
  }

  return [code]
}

/** postprocess */
export function postprocess(
  [messages]: Linter.LintMessage[][],
  filename: string,
): Linter.LintMessage[] {
  const shared = terminateShared(filename)
  if (shared) {
    return filter(messages, shared)
  }

  return messages
}

export const supportsAutofix = true

/** Filter  */
function filter(
  messages: Linter.LintMessage[],
  shared: Shared,
): Linter.LintMessage[] {
  if (shared.commentDirectives.length === 0) {
    return messages
  }
  let filteredMessages = messages
  for (const cd of shared.commentDirectives) {
    filteredMessages = cd.filterMessages(filteredMessages)
  }
  return filteredMessages
}