revert graphql-playground-middleware-koa

Author: Oleg Gabrusenok

package.json

@@ -33,7 +33,7 @@
  "flashheart": "2.9.0",
  "graphql": "0.13.2",
  "graphql-cost-analysis": "1.0.1",
- "graphql-playground-middleware-koa": "1.6.1",
+ "graphql-playground-middleware-koa": "1.4.2",
  "graphql-tools": "3.0.2",
  "graphql-voyager": "1.0.0-rc.18",
  "koa": "2.5.1",

yarn.lock

@@ -1975,17 +1975,17 @@ graphql-code-generator@^0.5.1:
  pascal-case "^2.0.1"
  request "^2.81.0"
 
-graphql-config@2.0.0:
- version "2.0.0"
- resolved "https://registry.yarnpkg.com/graphql-config/-/graphql-config-2.0.0.tgz#daf69091055c6f675d63893a2d14c48f3fec3327"
+graphql-config@1.1.7:
+ version "1.1.7"
+ resolved "https://registry.yarnpkg.com/graphql-config/-/graphql-config-1.1.7.tgz#546c443d3ad877ceb8e13f40fbc8937af0d35dbe"
  dependencies:
+ graphql "^0.12.3"
  graphql-import "^0.4.0"
  graphql-request "^1.4.0"
  js-yaml "^3.10.0"
- lodash "^4.17.4"
  minimatch "^3.0.4"
 
-graphql-cost-analysis@^1.0.1:
+graphql-cost-analysis@1.0.1:
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/graphql-cost-analysis/-/graphql-cost-analysis-1.0.1.tgz#8924e9ed8d00bf7f623d0272225915704b5e6fcb"
  dependencies:
@@ -2005,17 +2005,18 @@ graphql-import@^0.4.0:
  graphql "^0.13.0"
  lodash "^4.17.4"
 
-graphql-playground-html@1.6.0:
- version "1.6.0"
- resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.6.0.tgz#6ec4d54325ab2e5352506fdb89eb37c3fc718bf8"
+graphql-playground-html@1.5.4:
+ version "1.5.4"
+ resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.5.4.tgz#82752ec4ee36c62d64ccebf7d3ca47477c213bb6"
  dependencies:
- graphql-config "2.0.0"
+ graphql-config "1.1.7"
 
-graphql-playground-middleware-koa@1.6.1:
- version "1.6.1"
- resolved "https://registry.yarnpkg.com/graphql-playground-middleware-koa/-/graphql-playground-middleware-koa-1.6.1.tgz#4b5056ce15136cfe4667e6f438b31f4242ea5e39"
+graphql-playground-middleware-koa@1.4.2:
+ version "1.4.2"
+ resolved "https://registry.yarnpkg.com/graphql-playground-middleware-koa/-/graphql-playground-middleware-koa-1.4.2.tgz#e1c75b6f53e19f73959b771dd6e56f0049306b1f"
  dependencies:
- graphql-playground-html "1.6.0"
+ graphql-playground-html "1.5.4"
+ koa "^2.4.1"
 
 graphql-request@^1.4.0:
  version "1.4.1"
@@ -2095,6 +2096,12 @@ graphql@0.13.2:
  dependencies:
  iterall "^1.2.1"
 
+graphql@^0.12.3:
+ version "0.12.3"
+ resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.12.3.tgz#11668458bbe28261c0dcb6e265f515ba79f6ce07"
+ dependencies:
+ iterall "1.1.3"
+
 graphql@^0.13.0:
  version "0.13.1"
  resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.13.1.tgz#9b3db3d8e40d1827e4172404bfdd2e4e17a58b55"
@@ -2675,6 +2682,10 @@ istanbul-reports@^1.3.0:
  dependencies:
  handlebars "^4.0.3"
 
+iterall@1.1.3:
+ version "1.1.3"
+ resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.1.3.tgz#1cbbff96204056dde6656e2ed2e2226d0e6d72c9"
+
 iterall@^1.0.0, iterall@^1.2.1:
  version "1.2.2"
  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.2.2.tgz#92d70deb8028e0c39ff3164fdbf4d8b088130cd7"
@@ -3272,7 +3283,7 @@ koa-router@7.4.0:
  path-to-regexp "^1.1.1"
  urijs "^1.19.0"
 
-koa@2.5.1:
+koa@2.5.1, koa@^2.4.1:
  version "2.5.1"
  resolved "https://registry.yarnpkg.com/koa/-/koa-2.5.1.tgz#79f8b95f8d72d04fe9a58a8da5ebd6d341103f9c"
  dependencies: