Remove unneeded dependencies

package.json

@@ -42,12 +42,8 @@
     "postversion": "pnpm run build"
   },
   "devDependencies": {
-    "@rollup/plugin-buble": "^0.21.3",
-    "@rollup/plugin-strip": "^2.1.0",
     "@size-limit/preset-small-lib": "^7.0.5",
     "autoprefixer": "^10.4.2",
-    "browserslist": "^4.19.1",
-    "cross-env": "^7.0.3",
     "cssnano": "^5.0.16",
     "eslint": "^8.8.0",
     "eslint-config-airbnb-base": "^15.0.0",
@@ -59,9 +55,6 @@
     "postcss-cli": "^9.1.0",
     "postcss-css-variables": "^0.18.0",
     "prettier": "^2.5.1",
-    "rollup": "^2.67.0",
-    "rollup-plugin-postcss": "^4.0.2",
-    "rollup-plugin-terser": "^7.0.2",
     "size-limit": "^7.0.5",
     "vite": "^2.8.0"
   },

rollup.config.js

@@ -1,91 +0,0 @@
-import { join, resolve } from "path";
-
-import buble from "@rollup/plugin-buble";
-import strip from "@rollup/plugin-strip";
-import postcss from "rollup-plugin-postcss";
-import { terser } from "rollup-plugin-terser";
-
-const autoprefixer = require("autoprefixer");
-const banner = require("postcss-banner");
-const calc = require("postcss-calc");
-const cssnano = require("cssnano");
-const cssVariables = require("postcss-css-variables");
-
-const pkg = require("./package.json");
-
-const isDev =
-  process.env.ROLLUP_WATCH || process.env.NODE_ENV === "development";
-const outputDir = resolve(".", "dist");
-const bannerText = `${pkg.name} v${pkg.version}`;
-
-const postcssPlugins = [cssVariables, calc];
-
-if (!isDev) {
-  postcssPlugins.push(
-    cssnano({
-      preset: "default",
-    }),
-    autoprefixer(),
-    banner({
-      banner: bannerText,
-      important: true,
-      inline: true,
-    })
-  );
-}
-
-const getPlugins = (css) => [
-  css &&
-    postcss({
-      extract: resolve(join(outputDir, "shareon.min.css")),
-      plugins: postcssPlugins,
-    }),
-  !isDev &&
-    strip({
-      debugger: true,
-      include: ["**/*.js"],
-      functions: ["console.log", "console.debug", "assert.*"],
-      sourceMap: false,
-    }),
-  !isDev &&
-    buble({
-      transforms: {
-        modules: false,
-      },
-    }),
-];
-
-const getOutput = (baseDir) => {
-  const defaultParameters = {
-    name: pkg.name,
-    exports: "default",
-  };
-
-  return [
-    {
-      ...defaultParameters,
-      format: "iife",
-      file: join(baseDir, `${pkg.name}${isDev ? "" : ".min"}.js`),
-      plugins: isDev ? [] : [terser({ output: { comments: /^!/ } })],
-      banner: `/*! ${bannerText} */`,
-    },
-    !isDev && {
-      ...defaultParameters,
-      format: "cjs",
-      file: join(baseDir, `${pkg.name}.cjs`),
-      banner: `/*! ${bannerText} */`,
-    },
-    !isDev && {
-      ...defaultParameters,
-      format: "esm",
-      file: join(baseDir, `${pkg.name}.mjs`),
-      banner: `/*! ${bannerText} */`,
-    },
-  ];
-};
-
-export default {
-  input: join(__dirname, "src", "index.js"),
-  output: getOutput(outputDir),
-  plugins: getPlugins(true),
-};