diff --git a/rollup.config.js b/rollup.config.js
index ac73058..32f38be 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,195 +1,191 @@
-import pkg from './package.json';
+import pkg from "./package.json";
 
 // Rollup plugins
-import babel from 'rollup-plugin-babel';
-import { eslint } from 'rollup-plugin-eslint';
-import replace from 'rollup-plugin-replace';
-import uglify from 'rollup-plugin-uglify-es';
-import sass from 'node-sass';
+import babel from "rollup-plugin-babel";
+import { eslint } from "rollup-plugin-eslint";
+import replace from "rollup-plugin-replace";
+import uglify from "rollup-plugin-uglify-es";
+import sass from "node-sass";
 
 // PostCSS plugins
-import postcssPlugin from 'rollup-plugin-postcss';
-import nested from 'postcss-nested';
-import cssnext from 'postcss-cssnext';
-import cssnano from 'cssnano';
+import postcssPlugin from "rollup-plugin-postcss";
+import nested from "postcss-nested";
+import cssnext from "postcss-cssnext";
+import cssnano from "cssnano";
 
-import postcss from 'postcss';
-import precss from 'precss';
-import CleanCSS from 'clean-css';
-import autoprefixer from 'autoprefixer';
-import fs from 'fs';
+import postcss from "postcss";
+import precss from "precss";
+import CleanCSS from "clean-css";
+import autoprefixer from "autoprefixer";
+import fs from "fs";
 
-fs.readFile('src/css/charts.scss', (err, css) => {
-	postcss([precss, autoprefixer])
-		.process(css, { from: 'src/css/charts.scss', to: 'src/css/charts.css' })
-		.then(result => {
-			let options = {
-				level: {
-					1: {
-						removeQuotes: false,
-					}
-				}
-			}
-			let output = new CleanCSS(options).minify(result.css);
-			let res = JSON.stringify(output.styles).replace(/"/g, "'");
-			let js = `export const CSSTEXT = "${res.slice(1, -1)}";`;
-			fs.writeFile('src/css/chartsCss.js', js);
-		});
+fs.readFile("src/css/charts.scss", (err, css) => {
+    postcss([precss, autoprefixer])
+        .process(css, { from: "src/css/charts.scss", to: "src/css/charts.css" })
+        .then((result) => {
+            let options = {
+                level: {
+                    1: {
+                        removeQuotes: false,
+                    },
+                },
+            };
+            let output = new CleanCSS(options).minify(result.css);
+            let res = JSON.stringify(output.styles).replace(/"/g, "'");
+            let js = `export const CSSTEXT = "${res.slice(1, -1)}";`;
+            fs.writeFile("src/css/chartsCss.js", js);
+        });
 });
 
 export default [
-	{
-		input: 'src/js/index.js',
-		sourcemap: true,
-		output: [
-			{
-				file: 'docs/assets/js/frappe-charts.min.js',
-				format: 'iife',
-			},
-			{
-				file: pkg.browser,
-				format: 'umd',
-			}
-		],
-		name: 'frappe',
-		plugins: [
-			postcssPlugin({
-				preprocessor: (content, id) => new Promise((resolve, reject) => {
-					const result = sass.renderSync({ file: id })
-					resolve({ code: result.css.toString() })
-				}),
-				extensions: ['.scss'],
-				plugins: [
-					nested(),
-					cssnext({ warnForDuplicates: false }),
-					cssnano()
-				]
-			}),
-			eslint({
-				exclude: [
-					'src/css/**'
-				]
-			}),
-			babel({
-				exclude: 'node_modules/**',
-				plugins: ['external-helpers']
-			}),
-			replace({
-				exclude: 'node_modules/**',
-				ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
-			}),
-			uglify()
-		]
-	},
-	{
-		input: 'docs/assets/js/index.js',
-		sourcemap: true,
-		output: [
-			{
-				file: 'docs/assets/js/index.min.js',
-				format: 'iife',
-			}
-		],
-		name: 'frappe',
-		plugins: [
-			postcssPlugin({
-				preprocessor: (content, id) => new Promise((resolve, reject) => {
-					const result = sass.renderSync({ file: id })
-					resolve({ code: result.css.toString() })
-				}),
-				extensions: ['.scss'],
-				plugins: [
-					nested(),
-					cssnext({ warnForDuplicates: false }),
-					cssnano()
-				]
-			}),
-			eslint({
-				exclude: [
-					'src/css/**'
-				]
-			}),
-			babel({
-				exclude: 'node_modules/**'
-			}),
-			replace({
-				exclude: 'node_modules/**',
-				ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
-			})
-		]
-	},
-	{
-		input: 'src/js/chart.js',
-		sourcemap: true,
-		output: [
-			{
-				file: pkg.main,
-				format: 'cjs',
-			},
-			{
-				file: pkg.module,
-				format: 'es',
-			}
-		],
-		plugins: [
-			postcssPlugin({
-				preprocessor: (content, id) => new Promise((resolve, reject) => {
-					const result = sass.renderSync({ file: id })
-					resolve({ code: result.css.toString() })
-				}),
-				extensions: ['.scss'],
-				plugins: [
-					nested(),
-					cssnext({ warnForDuplicates: false }),
-					cssnano()
-				]
-			}),
-			eslint({
-				exclude: [
-					'src/css/**',
-				]
-			}),
-			babel({
-				exclude: 'node_modules/**',
-			}),
-			replace({
-				exclude: 'node_modules/**',
-				ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
-			}),
-			uglify()
-		],
-	},
-	{
-		input: 'src/js/chart.js',
-		output: [
-			{
-				file: pkg.src,
-				format: 'es',
-			}
-		],
-		plugins: [
-			postcssPlugin({
-				preprocessor: (content, id) => new Promise((resolve, reject) => {
-					const result = sass.renderSync({ file: id })
-					resolve({ code: result.css.toString() })
-				}),
-				extensions: ['.scss'],
-				extract: 'dist/frappe-charts.min.css',
-				plugins: [
-					nested(),
-					cssnext({ warnForDuplicates: false }),
-					cssnano()
-				]
-			}),
-			eslint({
-				exclude: [
-					'src/css/**',
-				]
-			}),
-			replace({
-				exclude: 'node_modules/**',
-				ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
-			})
-		],
-	}
+    {
+        input: "src/js/index.js",
+        sourcemap: true,
+        output: [
+            {
+                file: "docs/assets/js/frappe-charts.min.js",
+                format: "iife",
+            },
+            {
+                file: pkg.browser,
+                format: "umd",
+            },
+        ],
+        name: "frappe",
+        plugins: [
+            postcssPlugin({
+                preprocessor: (content, id) =>
+                    new Promise((resolve, reject) => {
+                        const result = sass.renderSync({ file: id });
+                        resolve({ code: result.css.toString() });
+                    }),
+                extensions: [".scss"],
+                plugins: [
+                    nested(),
+                    cssnext({ warnForDuplicates: false }),
+                    cssnano(),
+                ],
+            }),
+            eslint({
+                exclude: ["src/css/**"],
+            }),
+            babel({
+                exclude: "node_modules/**",
+                plugins: ["external-helpers"],
+            }),
+            replace({
+                exclude: "node_modules/**",
+                ENV: JSON.stringify(process.env.NODE_ENV || "development"),
+            }),
+            uglify(),
+        ],
+    },
+    {
+        input: "docs/assets/js/index.js",
+        sourcemap: true,
+        output: [
+            {
+                file: "docs/assets/js/index.min.js",
+                format: "iife",
+            },
+        ],
+        name: "frappe",
+        plugins: [
+            postcssPlugin({
+                preprocessor: (content, id) =>
+                    new Promise((resolve, reject) => {
+                        const result = sass.renderSync({ file: id });
+                        resolve({ code: result.css.toString() });
+                    }),
+                extensions: [".scss"],
+                plugins: [
+                    nested(),
+                    cssnext({ warnForDuplicates: false }),
+                    cssnano(),
+                ],
+            }),
+            eslint({
+                exclude: ["src/css/**"],
+            }),
+            babel({
+                exclude: "node_modules/**",
+            }),
+            replace({
+                exclude: "node_modules/**",
+                ENV: JSON.stringify(process.env.NODE_ENV || "development"),
+            }),
+        ],
+    },
+    {
+        input: "src/js/chart.js",
+        sourcemap: true,
+        output: [
+            {
+                file: pkg.main,
+                format: "cjs",
+            },
+            {
+                file: pkg.module,
+                format: "es",
+            },
+        ],
+        plugins: [
+            postcssPlugin({
+                preprocessor: (content, id) =>
+                    new Promise((resolve, reject) => {
+                        const result = sass.renderSync({ file: id });
+                        resolve({ code: result.css.toString() });
+                    }),
+                extensions: [".scss"],
+                plugins: [
+                    nested(),
+                    cssnext({ warnForDuplicates: false }),
+                    cssnano(),
+                ],
+            }),
+            eslint({
+                exclude: ["src/css/**"],
+            }),
+            babel({
+                exclude: "node_modules/**",
+            }),
+            replace({
+                exclude: "node_modules/**",
+                ENV: JSON.stringify(process.env.NODE_ENV || "development"),
+            }),
+            uglify(),
+        ],
+    },
+    {
+        input: "src/js/chart.js",
+        output: [
+            {
+                file: pkg.src,
+                format: "es",
+            },
+        ],
+        plugins: [
+            postcssPlugin({
+                preprocessor: (content, id) =>
+                    new Promise((resolve, reject) => {
+                        const result = sass.renderSync({ file: id });
+                        resolve({ code: result.css.toString() });
+                    }),
+                extensions: [".scss"],
+                extract: "dist/frappe-charts.min.css",
+                plugins: [
+                    nested(),
+                    cssnext({ warnForDuplicates: false }),
+                    cssnano(),
+                ],
+            }),
+            eslint({
+                exclude: ["src/css/**"],
+            }),
+            replace({
+                exclude: "node_modules/**",
+                ENV: JSON.stringify(process.env.NODE_ENV || "development"),
+            }),
+        ],
+    },
 ];