build!: drop support for node versions less than 10.3.0

BREAKING CHANGE: Support for Node versions less than 10.3.0 has been dropped

Author: merceyz

Diff for: package.json

@@ -3,6 +3,9 @@
 	"version": "1.5.0",
 	"description": "Generate proptypes from typescript declarations",
 	"main": "dist/index.js",
+	"engines": {
+		"node": ">=10.3.0"
+	},
 	"files": [
 		"dist"
 	],
@@ -49,6 +52,7 @@
 		"@babel/types": "^7.5.0",
 		"doctrine": "^3.0.0",
 		"lodash": "^4.17.14",
+		"tslib": "^1.13.0",
 		"typescript": "3.5.2",
 		"uuid": "^3.3.2"
 	},

Diff for: tsconfig.json

@@ -2,14 +2,16 @@
 	"compilerOptions": {
 		"module": "commonjs",
 		"esModuleInterop": true,
-		"target": "es5",
+		"target": "ES2018",
+		"lib": ["ES2018"],
 		"noImplicitAny": true,
 		"strict": true,
 		"moduleResolution": "node",
 		"sourceMap": true,
 		"declaration": true,
 		"outDir": "dist",
-		"jsx": "preserve"
+		"jsx": "preserve",
+		"importHelpers": true
 	},
 	"include": ["src"]
 }

Diff for: yarn.lock

@@ -6248,6 +6248,13 @@ [email protected]:
   languageName: node
   linkType: hard
 
+"tslib@npm:^1.13.0":
+  version: 1.13.0
+  resolution: "tslib@npm:1.13.0"
+  checksum: 2/5dc3bdaea3b67c76ef4a14c28fcb2171da7bcf292fd9c59a260098729626b1ce766c52b588f08e324ed9a0c52ea8a93a815920f980d75981abc9d850fbf310fb
+  languageName: node
+  linkType: hard
+
 "tunnel-agent@npm:^0.6.0":
   version: 0.6.0
   resolution: "tunnel-agent@npm:0.6.0"
@@ -6330,6 +6337,7 @@ [email protected]:
     react: ^16.8.6
     standard-version: 7.1.0
     ts-jest: ^25.3.1
+    tslib: ^1.13.0
     typescript: 3.5.2
     uuid: ^3.3.2
   dependenciesMeta: