add: make update html function

+module.exports = {
+    "env": {
+        "browser": true,
+        "es6": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/eslint-recommended"
+    ],
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "single"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    },
+    "ignorePatterns": ["dist/", "node_modules/"],
+};
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-{
-  "extends": "./node_modules/gts/"
-}

 module.exports = {
-  ...require('gts/.prettierrc.json')
-}
+	singleQuote: true,
+	semi: true,
+	useTabs: false,
+	tabWidth: 2,
+	trailingComma: 'all',
+	printWidth: 60,
+	arrowParens: 'always',
+	orderedImports: true,
+	bracketSpacing: true,
+	jsxBracketSameLine: false,
+	arrowParens: 'avoid',
+};
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@@ -23,10 +23,12 @@
     "@types/node": "^14.11.2",
     "clean-webpack-plugin": "^3.0.0",
     "css-loader": "^5.1.1",
+    "eslint": "^7.23.0",
     "file-loader": "^6.2.0",
     "gts": "^3.1.0",
     "html-webpack-plugin": "^5.3.0",
     "node-sass": "^5.0.0",
+    "prettier": "2.2.1",
     "sass-loader": "^11.0.1",
     "style-loader": "^2.0.0",
     "ts-loader": "^8.0.17",
@@ -34,5 +36,8 @@
     "webpack": "^5.24.3",
     "webpack-cli": "^4.5.0",
     "webpack-dev-server": "^3.11.2"
+  },
+  "prettier": {
+    "tabWidth": 2
   }
 }

@@ -15,7 +15,6 @@ import './assets/style/App.scss';
 const App = (pathname : string) : string => {
     /* id 없을 시 id 입력으로 redirect */
     if(!getState().insta_id) pathname = '';
-
     history.pushState('','', pathname);
 
     return `

+export const updateHtml = (
+    type : string = 'literal',
+    tag : string | HTMLElement = '<div></div>',
+    target : string = 'app'
+) => {
+    const $target : null | HTMLElement = document.querySelector(target);
+
+    $target && ($target.innerHTML = `${tag}`)
+}
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