feat(Util): add findVariants (#1634)

* feat(Util): add findVariants

src/Util/Util.ts

@@ -3,6 +3,7 @@ export {changeOpacityWhenMouseEnterOrLeave} from './modules/changeOpacityWhenMou
 export {checkA11yConfirmKey} from './modules/checkA11yConfirmKey';
 export {checkDependencies} from './modules/checkDependencies.ts';
 export {delay} from './modules/delay';
+export {findVariants} from './modules/findVariants';
 export {generateArray} from './modules/generateArray';
 export {generateSvgDataUrl} from './modules/generateSvgDataUrl';
 export {getBody} from './modules/getBody';

src/Util/modules/findVariants.ts

@@ -0,0 +1,41 @@
+import {initMwApi} from './initMwApi';
+import {uniqueArray} from './uniqueArray';
+
+type FindVariants = typeof findVariants;
+
+// eslint-disable-next-line func-style
+async function findVariants(text: string) {
+	const api: mw.Api = initMwApi('Util-FindVariants');
+
+	const VARIANTS = ['zh-hans', 'zh-hant', 'zh-cn', 'zh-hk', 'zh-mo', 'zh-sg', 'zh-my', 'zh-tw'];
+
+	const allVariants: string[] = [];
+
+	const params: ApiParseParams = {
+		action: 'parse',
+		contentmodel: 'wikitext',
+		format: 'json',
+		formatversion: '2',
+		prop: ['displaytitle'],
+		title: 'temp',
+		text,
+	};
+
+	for (const variant of VARIANTS) {
+		params.uselang = variant;
+		params.variant = variant;
+		const response = await api.post(params);
+
+		const displaytitle = response?.['query']?.displaytitle as string;
+		const variantElement = document.createElement('variant');
+		variantElement.innerHTML = displaytitle;
+
+		if (variantElement.textContent) {
+			allVariants[allVariants.length] = variantElement.textContent;
+		}
+	}
+
+	return uniqueArray(allVariants);
+}
+
+export {type FindVariants, findVariants};

src/Util/modules/global.d.ts

@@ -4,6 +4,7 @@ type ChangeOpacityWhenMouseEnterOrLeave =
 type CheckA11yConfirmKey = import('./checkA11yConfirmKey').CheckA11yConfirmKey;
 type CheckDependencies = import('./checkDependencies').CheckDependencies;
 type Delay = import('./delay').Delay;
+type FindVariants = import('./findVariants').FindVariants;
 type GenerateArray = import('./generateArray').GenerateArray;
 type GenerateSvgDataUrl = import('./generateSvgDataUrl').GenerateSvgDataUrl;
 type GetBody = import('./getBody').GetBody;
@@ -26,6 +27,7 @@ declare module 'ext.gadget.Util' {
 	export const checkA11yConfirmKey: CheckA11yConfirmKey;
 	export const checkDependencies: CheckDependencies;
 	export const delay: Delay;
+	export const findVariants: FindVariants;
 	export const generateArray: GenerateArray;
 	export const generateSvgDataUrl: GenerateSvgDataUrl;
 	export const getBody: GetBody;

src/Util/modules/queryUserGroups.ts

@@ -2,7 +2,8 @@ import {initMwApi} from './initMwApi';
 
 type QueryUserGroups = typeof queryUserGroups;
 
-const queryUserGroups = async (users: string[]) => {
+// eslint-disable-next-line func-style
+async function queryUserGroups(users: string[]) {
 	const api: mw.Api = initMwApi('Util-QueryUserGroups');
 
 	const CACHE_KEY_PREFIX = 'ext.gadget.Util_queryUserGroups-';
@@ -61,6 +62,6 @@ const queryUserGroups = async (users: string[]) => {
 	}
 
 	return {query: {users: queryUsers}};
-};
+}
 
 export {type QueryUserGroups, queryUserGroups};