diff --git a/test/test.js b/test/test.js
index 297a620..e529edd 100644
--- a/test/test.js
+++ b/test/test.js
@@ -13,7 +13,6 @@ runner.test('basic', async function () {
     directory: 'test/fixture',
     logFormat: 'none'
   })
-  localWebServer.attachView()
   localWebServer.launch()
   const response = await request(`http://localhost:${port}/one.txt`)
   localWebServer.server.close()
diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index ca70c88..0000000
--- a/yarn.lock
+++ /dev/null
@@ -1,833 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-JSONStream@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.1.tgz#707f761e01dae9e16f1bcf93703b78c70966579a"
-  dependencies:
-    jsonparse "^1.2.0"
-    through ">=2.2.7 <3"
-
-accepts@^1.2.2, accepts@~1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
-  dependencies:
-    mime-types "~2.1.11"
-    negotiator "0.6.1"
-
-ansi-escape-sequences@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-escape-sequences/-/ansi-escape-sequences-3.0.0.tgz#1c18394b6af9b76ff9a63509fa497669fd2ce53e"
-  dependencies:
-    array-back "^1.0.3"
-
-any-promise@^1.0.0, any-promise@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
-
-array-back@^1.0.3, array-back@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/array-back/-/array-back-1.0.4.tgz#644ba7f095f7ffcf7c43b5f0dc39d3c1f03c063b"
-  dependencies:
-    typical "^2.6.0"
-
-balanced-match@^0.4.1:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
-
-basic-auth@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-1.1.0.tgz#45221ee429f7ee1e5035be3f51533f1cdfd29884"
-
-batch@0.5.3:
-  version "0.5.3"
-  resolved "https://registry.yarnpkg.com/batch/-/batch-0.5.3.tgz#3f3414f380321743bfc1042f9a83ff1d5824d464"
-
-brace-expansion@^1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.7.tgz#3effc3c50e000531fb720eaff80f0ae8ef23cf59"
-  dependencies:
-    balanced-match "^0.4.1"
-    concat-map "0.0.1"
-
-byte-size@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/byte-size/-/byte-size-3.0.0.tgz#406f9e2366aa5dabf63672eb291d7bb09495da75"
-
-bytes@2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
-
-bytes@^2.3.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.5.0.tgz#4c9423ea2d252c270c41b2bdefeff9bb6b62c06a"
-
-co-body@^5.1.0:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/co-body/-/co-body-5.1.1.tgz#d97781d1e3344ba4a820fd1806bddf8341505236"
-  dependencies:
-    inflation "^2.0.0"
-    qs "^6.4.0"
-    raw-body "^2.2.0"
-    type-is "^1.6.14"
-
-co@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
-
-command-line-args@^4.0.2, command-line-args@^4.0.6:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/command-line-args/-/command-line-args-4.0.6.tgz#0ff87a1dd159890dcaeb2a005abdae71e55059fc"
-  dependencies:
-    array-back "^1.0.4"
-    find-replace "^1.0.3"
-    typical "^2.6.1"
-
-command-line-usage@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/command-line-usage/-/command-line-usage-4.0.0.tgz#816b32788b58f9feba44d1e6dac60fcaeb29b5ea"
-  dependencies:
-    ansi-escape-sequences "^3.0.0"
-    array-back "^1.0.4"
-    table-layout "^0.4.0"
-    typical "^2.6.0"
-
-common-log-format@~0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/common-log-format/-/common-log-format-0.1.3.tgz#6009dadc4ec467371af28a8dbd3e4ce02b166782"
-
-compressible@^2.0.0:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.10.tgz#feda1c7f7617912732b29bf8cf26252a20b9eecd"
-  dependencies:
-    mime-db ">= 1.27.0 < 2"
-
-concat-map@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
-
-content-disposition@~0.5.0:
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
-
-content-type@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
-
-cookies@~0.7.0:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/cookies/-/cookies-0.7.0.tgz#0bc961d910c35254980fc7c9eff5da12011bbf00"
-  dependencies:
-    depd "~1.1.0"
-    keygrip "~1.0.1"
-
-copy-to@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/copy-to/-/copy-to-2.0.1.tgz#2680fbb8068a48d08656b6098092bdafc906f4a5"
-
-core-util-is@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
-
-debug@*, debug@2.6.8, debug@^2.6.0, debug@^2.6.3:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
-  dependencies:
-    ms "2.0.0"
-
-debug@2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.3.tgz#40c453e67e6e13c901ddec317af8986cda9eff8c"
-  dependencies:
-    ms "0.7.2"
-
-deep-equal@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
-
-deep-extend@~0.4.1:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
-
-defer-promise@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/defer-promise/-/defer-promise-1.0.1.tgz#1ca6ffeddbcef1715dd7aae25c7616f9ae22932f"
-
-delegates@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
-
-depd@1.1.0, depd@^1.1.0, depd@~1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.0.tgz#e1bd82c6aab6ced965b97b88b17ed3e528ca18c3"
-
-destroy@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
-
-ee-first@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
-
-error-inject@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/error-inject/-/error-inject-1.0.0.tgz#e2b3d91b54aed672f309d950d154850fa11d4f37"
-
-escape-html@~1.0.1, escape-html@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
-
-etag@^1.3.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.0.tgz#6f631aef336d6c46362b51764044ce216be3c051"
-
-feature-detect-es6@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/feature-detect-es6/-/feature-detect-es6-1.3.1.tgz#f888736af9cb0c91f55663bfa4762eb96ee7047f"
-  dependencies:
-    array-back "^1.0.3"
-
-file-set@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/file-set/-/file-set-1.1.1.tgz#d3ec70c080ec8f18f204ba1de106780c9056926b"
-  dependencies:
-    array-back "^1.0.3"
-    glob "^7.1.0"
-
-find-replace@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/find-replace/-/find-replace-1.0.3.tgz#b88e7364d2d9c959559f388c66670d6130441fa0"
-  dependencies:
-    array-back "^1.0.4"
-    test-value "^2.1.0"
-
-fresh@^0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
-
-fs.realpath@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
-
-glob@^7.1.0:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-http-assert@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/http-assert/-/http-assert-1.3.0.tgz#a31a5cf88c873ecbb5796907d4d6f132e8c01e4a"
-  dependencies:
-    deep-equal "~1.0.1"
-    http-errors "~1.6.1"
-
-http-errors@^1.2.8, http-errors@^1.6.1, http-errors@~1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.1.tgz#5f8b8ed98aca545656bf572997387f904a722257"
-  dependencies:
-    depd "1.1.0"
-    inherits "2.0.3"
-    setprototypeof "1.0.3"
-    statuses ">= 1.3.1 < 2"
-
-http-errors@~1.5.0, http-errors@~1.5.1:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.5.1.tgz#788c0d2c1de2c81b9e6e8c01843b6b97eb920750"
-  dependencies:
-    inherits "2.0.3"
-    setprototypeof "1.0.2"
-    statuses ">= 1.3.1 < 2"
-
-iconv-lite@0.4.15:
-  version "0.4.15"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.15.tgz#fe265a218ac6a57cfe854927e9d04c19825eddeb"
-
-inflation@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/inflation/-/inflation-2.0.0.tgz#8b417e47c28f925a45133d914ca1fd389107f30f"
-
-inflight@^1.0.4:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
-  dependencies:
-    once "^1.3.0"
-    wrappy "1"
-
-inherits@2, inherits@2.0.3, inherits@~2.0.1:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-
-is-generator-function@^1.0.3:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.6.tgz#9e71653cd15fff341c79c4151460a131d31e9fc4"
-
-isarray@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
-
-isarray@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
-
-json-stringify-safe@5:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
-
-jsonparse@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
-
-kcors@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/kcors/-/kcors-2.2.1.tgz#7160a94f2eae633436d2cef8eadd0ce232386779"
-
-keygrip@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.0.1.tgz#b02fa4816eef21a8c4b35ca9e52921ffc89a30e9"
-
-koa-bodyparser@^4.1.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/koa-bodyparser/-/koa-bodyparser-4.2.0.tgz#bce6e08bc65f8709b6d1faa9411c7f0d8938aa54"
-  dependencies:
-    co-body "^5.1.0"
-    copy-to "^2.0.1"
-
-koa-compose@^3.0.0:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/koa-compose/-/koa-compose-3.2.1.tgz#a85ccb40b7d986d8e5a345b3a1ace8eabcf54de7"
-  dependencies:
-    any-promise "^1.1.0"
-
-koa-compress@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/koa-compress/-/koa-compress-2.0.0.tgz#7b7eb2921b847746b5e122ba9f5cd8a671e8ea3a"
-  dependencies:
-    bytes "^2.3.0"
-    compressible "^2.0.0"
-    koa-is-json "^1.0.0"
-    statuses "^1.0.0"
-
-koa-conditional-get@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/koa-conditional-get/-/koa-conditional-get-2.0.0.tgz#a43f3723c1d014b730a34ece8adf30b93c8233f2"
-
-koa-convert@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/koa-convert/-/koa-convert-1.2.0.tgz#da40875df49de0539098d1700b50820cebcd21d0"
-  dependencies:
-    co "^4.6.0"
-    koa-compose "^3.0.0"
-
-koa-etag@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/koa-etag/-/koa-etag-3.0.0.tgz#9ef7382ddd5a82ab0deb153415c915836f771d3f"
-  dependencies:
-    etag "^1.3.0"
-    mz "^2.1.0"
-
-koa-is-json@1, koa-is-json@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/koa-is-json/-/koa-is-json-1.0.0.tgz#273c07edcdcb8df6a2c1ab7d59ee76491451ec14"
-
-koa-json@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/koa-json/-/koa-json-2.0.2.tgz#36af14e6ea1f5d646d7c44a285701c6f85a4fde4"
-  dependencies:
-    koa-is-json "1"
-    streaming-json-stringify "3"
-
-koa-mock-response@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/koa-mock-response/-/koa-mock-response-0.0.2.tgz#fc29e9a07bd0bdaeb5a79a1007f371423460b10d"
-  dependencies:
-    array-back "^1.0.3"
-    path-to-regexp "^1.5.3"
-    test-value "^2.0.0"
-    typical "^2.4.2"
-
-koa-morgan@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/koa-morgan/-/koa-morgan-1.0.1.tgz#08052e0ce0d839d3c43178b90a5bb3424bef1f99"
-  dependencies:
-    morgan "^1.6.1"
-
-koa-rewrite@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/koa-rewrite/-/koa-rewrite-2.1.0.tgz#812b35f48a860031bc862f88135e5c28318b7aa8"
-  dependencies:
-    debug "*"
-    path-to-regexp "0.0.2"
-
-koa-route@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/koa-route/-/koa-route-3.2.0.tgz#76298b99a6bcfa9e38cab6fe5c79a8733e758bce"
-  dependencies:
-    debug "*"
-    methods "~1.1.0"
-    path-to-regexp "^1.2.0"
-
-koa-send@^3.2.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/koa-send/-/koa-send-3.3.0.tgz#5a4ae245564680c6ecf6079e9275fa5173a861dc"
-  dependencies:
-    co "^4.6.0"
-    debug "^2.6.0"
-    mz "^2.3.1"
-    resolve-path "^1.3.1"
-
-koa-send@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/koa-send/-/koa-send-4.1.0.tgz#07d5a4eaab212679fe99916aae6b1109c08c2361"
-  dependencies:
-    debug "^2.6.3"
-    http-errors "^1.6.1"
-    mz "^2.6.0"
-    resolve-path "^1.3.3"
-
-koa-static@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/koa-static/-/koa-static-3.0.0.tgz#40442233d2c0b35c225e450199c10bf8a539e416"
-  dependencies:
-    debug "*"
-    koa-send "^3.2.0"
-
-koa@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/koa/-/koa-2.2.0.tgz#b055933187849d540ad8b9f731baaa4be97c652d"
-  dependencies:
-    accepts "^1.2.2"
-    content-disposition "~0.5.0"
-    content-type "^1.0.0"
-    cookies "~0.7.0"
-    debug "*"
-    delegates "^1.0.0"
-    depd "^1.1.0"
-    destroy "^1.0.3"
-    error-inject "~1.0.0"
-    escape-html "~1.0.1"
-    fresh "^0.5.0"
-    http-assert "^1.1.0"
-    http-errors "^1.2.8"
-    is-generator-function "^1.0.3"
-    koa-compose "^3.0.0"
-    koa-convert "^1.2.0"
-    koa-is-json "^1.0.0"
-    mime-types "^2.0.7"
-    on-finished "^2.1.0"
-    only "0.0.2"
-    parseurl "^1.3.0"
-    statuses "^1.2.0"
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