feat(core): add isCustomElement option

see. https://vuejs.org/api/application.html#app-config-compileroptions-iscustomelement
closes #158

Author: Franck Freiburger

src/createVue3SFCModule.ts

@@ -68,7 +68,7 @@ export async function createSFCModule(source : string, filename : AbstractPath,
 
 	const component : { [key: string]: any } = {};
 
-	const { delimiters, whitespace, moduleCache, compiledCache, getResource, addStyle, log, additionalBabelParserPlugins = [], additionalBabelPlugins = {}, customBlockHandler, devMode = false } = options;
+	const { delimiters, whitespace, isCustomElement, moduleCache, compiledCache, getResource, addStyle, log, additionalBabelParserPlugins = [], additionalBabelPlugins = {}, customBlockHandler, devMode = false } = options;
 
 	// vue-loader next: https://github.com/vuejs/vue-loader/blob/next/src/index.ts#L91
 	const { descriptor, errors } = sfc_parse(source, {
@@ -106,6 +106,7 @@ export async function createSFCModule(source : string, filename : AbstractPath,
 		id: scopeId,
 		slotted: descriptor.slotted,
 		compilerOptions: {
+			isCustomElement,
 			whitespace,
 			delimiters,
 			scopeId: hasScoped ? scopeId : undefined,

src/types.ts

@@ -256,6 +256,16 @@ export type Options = {
 	whitespace?: 'preserve' | 'condense',
 
 
+/**
+ * Specifies a check method to recognize native custom elements.
+ * 
+ * see. https://vuejs.org/api/application.html#app-config-compileroptions-iscustomelement
+ * note: this option has no effect on vue2
+ */
+
+	isCustomElement : ((tag: string) => boolean) | undefined,
+
+
 /**
  * Additional babel parser plugins. [TBD]
  *