feat: major refactor, cleanup and jest tests

test/utils/index.js

@@ -0,0 +1,37 @@
+import { mount, createLocalVue } from '@vue/test-utils'
+import { renderToString } from '@vue/server-test-utils'
+import VueMetaPlugin from '../../src'
+
+import {
+  VUE_META_ATTRIBUTE,
+  VUE_META_CONTENT_KEY,
+  VUE_META_KEY_NAME,
+  VUE_META_SERVER_RENDERED_ATTRIBUTE,
+  VUE_META_TAG_LIST_ID_KEY_NAME,
+  VUE_META_TEMPLATE_KEY_NAME
+} from '../../src/shared/constants'
+
+export {
+  mount,
+  renderToString,
+  VueMetaPlugin
+}
+
+export const defaultOptions = {
+  keyName: VUE_META_KEY_NAME,
+  attribute: VUE_META_ATTRIBUTE,
+  ssrAttribute: VUE_META_SERVER_RENDERED_ATTRIBUTE,
+  metaTemplateKeyName: VUE_META_TEMPLATE_KEY_NAME,
+  contentKeyName: VUE_META_CONTENT_KEY,
+  tagIDKeyName: VUE_META_TAG_LIST_ID_KEY_NAME
+}
+
+export function getVue() {
+  return createLocalVue()
+}
+
+export function loadVueMetaPlugin(options, localVue = getVue()) {
+  localVue.use(VueMetaPlugin, Object.assign({}, defaultOptions, options))
+
+  return localVue
+}