add (semi) polyfilled builds

package.json

@@ -42,6 +42,7 @@
     "@vue/cli-plugin-babel": "^4.5.8",
     "@vue/cli-plugin-eslint": "^4.5.8",
     "@vue/cli-service": "^4.5.8",
+    "@vue/compiler-sfc": "^3.0.2",
     "@vue/eslint-config-prettier": "^6.0.0",
     "babel-eslint": "^10.1.0",
     "core-js": "^3.6.5",
@@ -54,7 +55,7 @@
     "rollup": "^2.33.0",
     "rollup-plugin-css-only": "^2.1.0",
     "rollup-plugin-terser": "^7.0.2",
-    "rollup-plugin-vue": "^5.1.9",
+    "rollup-plugin-vue": "^6.0.0-beta.10",
     "vue-template-compiler": "^2.6.12"
   },
   "keywords": [

rollup.config.js

@@ -115,5 +115,38 @@ if (!argv.format || argv.format === 'iife') {
 	buildFormats.push(unpkgConfig)
 }
 
+const copy = obj => {
+	if (!obj) {
+		return obj
+	}
+
+	let v
+	let copied = Array.isArray(obj) ? [] : {}
+	for (const k in obj) {
+		v = obj[k]
+		copied[k] = typeof v === 'object' ? copy(v) : v
+	}
+
+	return copied
+}
+
+if (!argv.format) {
+	buildFormats.forEach(format => {
+		const polyfilled = copy(format)
+		polyfilled.output.file = format.output.file.replace(
+			/vue-plyr\./,
+			'vue-plyr.polyfilled.'
+		)
+		polyfilled.plugins.unshift(
+			replace({
+				"import Plyr from 'plyr'":
+					"import Plyr from 'plyr/dist/plyr.polyfilled'",
+				delimiters: ['', '']
+			})
+		)
+		buildFormats.push(polyfilled)
+	})
+}
+
 // Export config
 export default buildFormats