before urpgrade to vue 3

.eslintrc

@@ -0,0 +1,48 @@
+{
+	"extends": [
+		// add more generic rulesets here, such as:
+		"eslint:recommended",
+		"airbnb-base",
+		"plugin:vue/recommended"
+	],
+	"parserOptions": {
+		"ecmaVersion": 9,
+		"sourceType": "module"
+	},
+	"env": {
+		"es6": true,
+		"browser": true
+	},
+	"rules": {
+		"semi": "off",
+		"vue/html-indent": [
+			"error",
+			"tab"
+		],
+		"vue/html-closing-bracket-spacing": ["error", {
+			"startTag": "never",
+			"endTag": "never",
+			"selfClosingTag": "never"
+		}],
+		"indent": [
+			"error",
+			"tab"
+		],
+		"no-tabs": "off",
+		"comma-dangle": "off",
+		"no-alert": 0,
+		"no-unused-vars": "warn",
+		"spaced-comment": "off",
+		"no-param-reassign": 0,
+		"import/extensions": 0,
+		"import/no-unresolved": 0,
+		"import/prefer-default-export": 0,
+		"import/no-extraneous-dependencies": [
+			"error",
+			{
+				// allow devDependencies for packages
+				"devDependencies": true
+			}
+		]
+	}
+}