initial setup

.eslintrc.js

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+module.exports = {
+  root: true,
+  env: {
+    browser: true,
+    node: true
+  },
+  parserOptions: {
+    parser: "babel-eslint",
+    ecmaVersion: 2017
+  },
+  env: {
+    es6: true
+  },
+  extends: [
+    "plugin:prettier/recommended",
+    "prettier",
+  ],
+  plugins: [
+    "prettier"
+  ],
+  // add your custom rules here
+  rules: {
+    "quotes": [
+      "warn",
+      "double",
+      {
+        "avoidEscape": true,
+        "allowTemplateLiterals": true
+      }
+    ],
+    "no-console": "off"
+  }
+}

.gitignore

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+node_modules

.prettierrc

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+{
+  "semi": true
+}

Utils.js

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+exports.test = function test() {
+  return "success";
+};

index.js

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+const _ = require("lodash");
+const Utils = require("./Utils");
+const objs = [{ a: 1, b: 2 }, { a: 2, b: 1 }];
+console.log("string");
+
+const obA = _.find(objs, ["a", 1]);
+console.log(JSON.stringify(obA, null, 2));
+
+Utils.test();