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import type { MiddlewareHandler } from '../../types.ts'
type EncodingType = 'gzip' | 'deflate'
interface CompressionOptions {  encoding?: EncodingType}
export const compress = (options?: CompressionOptions): MiddlewareHandler => {  return async (ctx, next) => {    await next()    const accepted = ctx.req.headers.get('Accept-Encoding')    const pattern = options?.encoding ?? /gzip|deflate/    const match = accepted?.match(pattern)    if (!accepted || !match || !ctx.res.body) {      return    }    const encoding = match[0]    // eslint-disable-next-line @typescript-eslint/ban-ts-comment    // @ts-ignore    const stream = new CompressionStream(encoding as EncodingType)    ctx.res = new Response(ctx.res.body.pipeThrough(stream), ctx.res)    ctx.res.headers.set('Content-Encoding', encoding)  }}