Update package dependencies

Signed-off-by: Zhivka Dimova <zhivka.dimova@myforest.net>

package.json

@@ -22,12 +22,13 @@
 		"serve": "rollup -c -w"
 	},
 	"devDependencies": {
-		"@rollup/plugin-buble": "^0.21.3",
-		"@rollup/plugin-node-resolve": "^8.0.0",
-		"rollup": "^2.12.0",
-		"rollup-plugin-serve": "^1.0.1",
-		"rollup-plugin-stringify": "^19.0.2",
-		"rollup-plugin-terser": "^6.1.0"
+        "@rollup/plugin-buble": "^1.0.1",
+        "@rollup/plugin-node-resolve": "^15.0.1",
+        "@rollup/plugin-terser": "^0.1.0",
+        "eslint": "^8.28.0",
+        "eslint-config-seregpie": "^1.2.1",
+        "rollup": "^3.5.0",
+        "rollup-plugin-serve": "^2.0.2"
 	},
 	"peerDependencies": {
 		"vue": "^3"

rollup.config.mjs

@@ -0,0 +1,74 @@
+import {rollup} from 'rollup';
+import serve from 'rollup-plugin-serve';
+
+import buble from '@rollup/plugin-buble';
+import resolve from '@rollup/plugin-node-resolve';
+import terser from '@rollup/plugin-terser';
+
+import pkg from './package.json' assert { type: 'json' };
+
+let stringify = function({
+    importeePrefix = 'stringify!',
+    plugins = [],
+} = {}) {
+	let ids = new Set();
+	return {
+		name: 'stringify',
+		async resolveId(importee, importer) {
+			if (importee.startsWith(importeePrefix)) {
+				importee = importee.slice(importeePrefix.length);
+				let {id} = await this.resolve(importee, importer);
+				ids.add(id);
+				return id;
+			}
+			return null;
+		},
+		async load(id) {
+			if (ids.has(id)) {
+				let bundle = await rollup({
+					input: id,
+					plugins,
+				});
+				let {output} = await bundle.generate({format: 'iife'});
+				let [{code}] = output;
+				return `export default ${JSON.stringify(code)}`;
+			}
+			return null;
+		},
+	};
+};
+
+let plugins = [
+    stringify({
+        plugins: [
+            buble(),
+            terser(),
+        ],
+    }),
+	resolve(),
+	buble({objectAssign: 'Object.assign'}),
+	terser({mangle: {properties: {regex: /^ǂ/}}}),
+];
+
+if (process.env.ROLLUP_WATCH) {
+	plugins.push(serve({
+		contentBase: '',
+		open: true,
+	}));
+}
+
+let globals = {
+	'vue': 'Vue',
+};
+
+export default {
+	external: Object.keys(Object.assign(pkg.devDependencies, pkg.peerDependencies)),
+	input: 'src/index.js',
+	plugins: plugins,
+	output: {
+		file: pkg.main,
+		format: 'umd',
+		name: 'VueWordCloud',
+		globals,
+	},
+};