fix(Flowtype): make proper definition files via updated flowgen

Author: nodkz

package.json

@@ -43,7 +43,7 @@
     "eslint": "^5.15.1",
     "eslint-config-prettier": "^4.1.0",
     "eslint-plugin-prettier": "^3.0.1",
-    "flowgen": "^1.6.0",
+    "flowgen": "^1.7.0",
     "jest": "^24.3.1",
     "mongodb": "^3.1.13",
     "npm-run-all": "^4.1.5",
@@ -73,7 +73,7 @@
   "scripts": {
     "build": "npm-run-all build:*",
     "build:ts": "rimraf ./lib && tsc -p ./tsconfig.build.json",
-    "build:flow": "find ./lib -name \"*.d.ts\" -exec bash -c './node_modules/.bin/flowgen \"$1\" -o \"${1%.d.ts}\".js.flow' - '{}' \\;",
+    "build:flow": "find ./lib -name \"*.d.ts\" -exec bash -c './node_modules/.bin/flowgen --add-flow-header \"$1\" -o \"${1%.d.ts}\".js.flow' - '{}' \\;",
     "watch": "cross-env MONGOMS_DOWNLOAD_DIR=./tmp jest --watch",
     "coverage": "cross-env MONGOMS_DOWNLOAD_DIR=./tmp jest --coverage",
     "lint": "eslint 'src/**/*.{js,ts}'",

yarn.lock

@@ -2411,10 +2411,10 @@ flatted@^2.0.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.0.tgz#55122b6536ea496b4b44893ee2608141d10d9916"
   integrity sha512-R+H8IZclI8AAkSBRQJLVOsxwAoHd6WC40b4QTNWIjzAa6BXOBfQcM587MXDTVPeYaopFNWHUFLx7eNmHDSxMWg==
 
-flowgen@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/flowgen/-/flowgen-1.6.0.tgz#524338acd87db375c072e90d5347bef47375a539"
-  integrity sha512-rN4CkNbJPVOdxHlLCSaIPPB9CaUQYx4ysD+UgBQCApVFCI0PfGqtuXC7XCJrCdoJv3ftA7NceqkgKR/2/O1zGw==
+flowgen@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/flowgen/-/flowgen-1.7.0.tgz#5fd0cf5813e4a474968e0f5a927b2104535a792b"
+  integrity sha512-iLy/M5BuEflS7TFSrs0mjRQRkdD7iPVy8WnvpX6ugY9v39oRxT08fpk3Mp84hrIplAnk//T12DR4gAP3qb+CxA==
   dependencies:
     commander "^2.11.0"
     lodash "^4.17.4"