feat: dependencies upgrade

.eslintrc.json

@@ -3,7 +3,6 @@
   "extends": [
     "eslint:recommended",
     "plugin:@typescript-eslint/recommended",
-    "prettier/@typescript-eslint",
     "plugin:prettier/recommended"
   ],
   "parserOptions": {

package.json

@@ -20,20 +20,20 @@
     "packages/swagger-typescript-client-generator-runtime"
   ],
   "dependencies": {
-    "lerna": "^3.20.2"
+    "lerna": "^4.0.0"
   },
   "devDependencies": {
-    "@types/node": "13.11.0",
-    "@typescript-eslint/eslint-plugin": "^2.14.0",
-    "@typescript-eslint/parser": "^2.14.0",
-    "commit-message-validator": "^0.1.11",
-    "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.9.0",
-    "eslint-plugin-prettier": "^3.1.2",
+    "@types/node": "15.0.1",
+    "@typescript-eslint/eslint-plugin": "^4.22.0",
+    "@typescript-eslint/parser": "^4.22.0",
+    "commit-message-validator": "^1.0.0",
+    "eslint": "^7.25.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^3.4.0",
     "husky": "^4.2.3",
-    "lint-staged": "^10.1.2",
+    "lint-staged": "^10.5.4",
     "prettier": "^2.0.3",
-    "typescript": "^3.7.4"
+    "typescript": "^4.2.4"
   },
   "config": {
     "commit-message-validator": {

packages/swagger-typescript-client-generator/src/fileReader/jsonReader.ts

@@ -5,7 +5,7 @@ import { Spec } from "swagger-schema-official"
 
 export const jsonReader: FileReader = (options: FileReaderOptions): Spec => {
   const content = fs.readFileSync(options.file, {
-    encoding: "UTF-8",
+    encoding: "utf-8",
     flag: "r",
   })
   return (JSON.parse(content) as unknown) as Spec

packages/swagger-typescript-client-generator/src/fileReader/yamlReader.ts

@@ -6,7 +6,7 @@ import * as yaml from "js-yaml"
 
 export const yamlReader: FileReader = (options: FileReaderOptions): Spec => {
   const content = fs.readFileSync(options.file, {
-    encoding: "UTF-8",
+    encoding: "utf-8",
     flag: "r",
   })
   return (yaml.safeLoad(content) as unknown) as Spec