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94
snippets/no-react/h.ts
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94
snippets/no-react/h.ts
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// import { nanoid } from 'nanoid';
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import { RefObject, SyntheticEvent } from 'react';
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const randomId = () => {
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return crypto.getRandomValues(new Uint32Array(1))[0].toString(16);
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};
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const loadChidren = (element: any, children: any[]) => {
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children.forEach((child) => {
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if (typeof child === 'boolean') {
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return;
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}
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if (typeof child === 'function') {
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// console.log('child', child);
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return;
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}
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if (typeof child === 'undefined') {
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return;
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}
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// console.log('child', child);
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element.appendChild(typeof child === 'string' ? document.createTextNode(child) : child);
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});
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};
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// 在项目中定义 h 函数
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export function h(type: string | Function, props: any, ...children: any[]): HTMLElement {
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if (typeof type === 'function') {
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const element = type(props);
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loadChidren(element, children);
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return element;
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}
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const element = document.createElement(type);
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const filterKeys = ['onLoad', 'onUnload', 'key'];
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const key = props?.key || randomId();
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Object.entries(props || {}).forEach(([key, value]) => {
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if (filterKeys.includes(key)) {
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return;
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}
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if (key === 'className') {
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element.setAttribute('class', value as string);
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return;
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}
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if (key.startsWith('on')) {
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element.addEventListener(key.slice(2).toLowerCase(), value as EventListener);
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return;
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}
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if (key === 'ref' && value) {
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(value as any).current = element;
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return;
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}
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if (typeof value === 'object') {
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console.log('error', element, type, value);
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} else {
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element.setAttribute(key, value as string);
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}
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});
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const onLoad = props?.onLoad;
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const checkConnect = () => {
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if (element.isConnected) {
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onLoad?.({ el: element, key, _props: props });
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// console.log('onLoad', element, key);
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return true;
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}
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return false;
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};
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setTimeout(() => {
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const res = checkConnect();
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if (!res) {
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setTimeout(() => {}, 1000);
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}
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}, 20);
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loadChidren(element, children);
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return element;
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}
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declare global {
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namespace JSX {
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// type Element = HTMLElement; // 将 JSX.Element 设置为 HTMLElement
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interface Element extends HTMLElement {
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class?: string;
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}
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}
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namespace React {
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interface FormEvent<T = Element> extends SyntheticEvent<T> {
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target: EventTarget & (T extends HTMLInputElement ? HTMLInputElement : T);
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}
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}
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}
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export const useRef = <T = HTMLDivElement>(initialValue: T | null = null): RefObject<T | null> => {
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return { current: initialValue };
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};
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export const useEffect = (callback: () => void) => {
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setTimeout(callback, 0);
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};
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6
snippets/react/ReactApp.tsx
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6
snippets/react/ReactApp.tsx
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import { createRoot } from 'react-dom/client';
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export const ReactApp = () => {
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const root = createRoot(document.getElementById('app')!);
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root.render(<div>Hello, World!</div>);
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};
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85
snippets/store/app.ts
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85
snippets/store/app.ts
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import { create } from 'zustand';
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import { query } from '@/modules/query';
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type Store = {
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list: any[];
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setList: (list: any[]) => void;
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data: any;
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setData: (data: any) => void;
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loading: boolean;
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setLoading: (loading: boolean) => void;
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formData: any;
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setFormData: (data: any) => void;
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getList: () => Promise<any>;
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init: () => Promise<void>;
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getData: (id: number) => Promise<any>;
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updateData: (data: any, opts?: { refresh?: boolean }) => Promise<any>;
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deleteData: (id: number, opts?: { refresh?: boolean }) => Promise<any>;
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};
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export const useStore = create<Store>((set, get) => ({
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list: [],
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setList: (list) => set({ list }),
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data: null,
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setData: (data) => set({ data }),
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loading: false,
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setLoading: (loading) => set({ loading }),
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formData: null,
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setFormData: (formData) => set({ formData }),
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getList: async () => {
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set({ loading: true });
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const res = await query.post({ path: 'posts', key: 'list' });
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set({ loading: false });
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if (res.code === 200) {
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set({ list: res.data });
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}
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return res;
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},
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init: async () => {
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await get().getList();
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},
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getData: async (id) => {
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set({ loading: true });
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const res = await query.post({
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path: 'posts',
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key: 'get',
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id,
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});
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set({ loading: false });
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if (res.code === 200) {
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const data = res.data;
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set({ data });
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}
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return res;
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},
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updateData: async (data, opts = { refresh: true }) => {
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set({ loading: true });
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const res = await query.post({
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path: 'posts',
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key: 'update',
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data,
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});
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set({ loading: false });
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if (res.code === 200) {
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set({ data: res.data });
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}
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if (opts.refresh) {
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await get().getList();
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}
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return res;
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},
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deleteData: async (id, opts = { refresh: true }) => {
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set({ loading: true });
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const res = await query.post({
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path: 'posts',
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key: 'delete',
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id,
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});
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set({ loading: false });
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if (res.code === 200) {
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set({ data: null });
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}
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if (opts.refresh) {
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await get().getList();
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}
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return res;
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},
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}));
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