chore: adding eslint

.eslintignore

@@ -0,0 +1,6 @@
+# Dependency directories
+node_modules/
+
+build/
+dist/
+standalone/

.eslintrc

@@ -0,0 +1,62 @@
+{
+  "parser": "babel-eslint",
+  "extends": [
+    "standard",
+    "standard-react",
+    "prettier",
+    "eslint:recommended"
+  ],
+  "env": {
+    "es6": true,
+    "jest": true
+  },
+  "plugins": [
+    "react",
+    "prettier"
+  ],
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": 2018,
+    "ecmaFeatures": {
+      "impliedStrict": true,
+      "jsx": true,
+      "arrowFunctions": true,
+      "blockBindings": true,
+      "defaultParams": true,
+      "destructuring": true,
+      "forOf": true,
+      "generators": true,
+      "objectLiteralComputedProperties": true,
+      "objectLiteralShorthandMethods": true,
+      "objectLiteralShorthandProperties": true,
+      "experimentalObjectRestSpread": true,
+      "restParams": true,
+      "spread": true,
+      "templateStrings": true,
+      "modules": true,
+      "classes": true
+    }
+  },
+  "rules": {
+    // don't force es6 functions to include space before paren
+    "space-before-function-paren": 0,
+
+    // allow specifying true explicitly for boolean props
+    "react/jsx-boolean-value": 0,
+
+    "max-len": [2, {"code":120,"ignoreComments":true}],
+
+    "prettier/prettier": [
+      "error",
+      {
+        "singleQuote": false,
+        "trailingComma": "es5",
+        "tabWidth": 2,
+        "printWidth": 80,
+        "semi": true,
+        "bracketSpacing": true,
+        "jsxBracketSameLine": false
+      }
+    ]
+  }
+}

bin/transferSass.js

@@ -1,36 +1,50 @@
-var sass = require('node-sass')
-var fs = require('fs')
-var path = require('path')
+var sass = require("node-sass");
+var fs = require("fs");
+var path = require("path");
 
-function transferSass () {
-  sass.render({
-    file: path.resolve(__dirname, '../src/index.scss'),
-    outputStyle: 'compressed'
-  }, function (err, result) {
-    if (err) {
-      console.log(err)
-      return
-    }
-    var cssSource = result.css.toString()
-    fs.writeFile(path.resolve(__dirname, '../src/style.js'), "export default '" + cssSource.replace(/\n/g, '') + "'", function (err) {
+function transferSass() {
+  sass.render(
+    {
+      file: path.resolve(__dirname, "../src/index.scss"),
+      outputStyle: "compressed",
+    },
+    function(err, result) {
       if (err) {
-        console.error(err)
+        console.log(err);
+        return;
       }
-      console.log('css file has been transformed to JS successful')
-      fs.writeFile(path.resolve(__dirname, '../src/style.css'), cssSource, function (err) {
-        if (err) {
-          console.error(err)
+      var cssSource = result.css.toString();
+      fs.writeFile(
+        path.resolve(__dirname, "../src/style.js"),
+        "export default '" + cssSource.replace(/\n/g, "") + "'",
+        function(err) {
+          if (err) {
+            console.error(err);
+          }
+          console.log("css file has been transformed to JS successful");
+          fs.writeFile(
+            path.resolve(__dirname, "../src/style.css"),
+            cssSource,
+            function(err) {
+              if (err) {
+                console.error(err);
+              }
+              console.log("css file has been transformed successful");
+              process.exit();
+            }
+          );
         }
-        console.log('css file has been transformed successful')
-        process.exit()
-      })
-    })
-  })
+      );
+    }
+  );
 }
 
-transferSass()
+transferSass();
 
-fs.watch(path.resolve(__dirname, '../src/index.scss'), function (event, filename) {
-  console.log(event, filename)
-  transferSass()
-})
+fs.watch(path.resolve(__dirname, "../src/index.scss"), function(
+  event,
+  filename
+) {
+  console.log(event, filename);
+  transferSass();
+});