feat: add url parameter to load markdown content.

README.md

@@ -15,7 +15,7 @@
 - [x] 支持主题选择 & 编辑预览。
 - [x] 支持明暗两种主题预览。
 - [ ] 支持色盘取色，快速替换文章整体色调
-- [ ] 支持 URL 参数加载 Markdown 内容。
+- [x] 支持 URL 参数加载 Markdown 内容。
 - [x] 支持 URL 参数选择预览主题。
 
 ### 支持代码块样式
@@ -116,9 +116,9 @@ https://<URL>?md=<Markdown 资源 URL>
 加载 Markdown 内容的示例 URL：
 
 ```
-https://jaywcjlove.github.io/wxmp/#/?theme=underscore&md=https%3A%2F%2Fraw.githubusercontent.com%2Fuiwjs%2Freact-markdown-editor%2Fmaster%2FREADME.md
+https://jaywcjlove.github.io/wxmp/#/?theme=underscore&md=https://raw.githubusercontent.com/jaywcjlove/c-tutorial/master/README.md
 
-Markdown URL 地址: https://raw.githubusercontent.com/uiwjs/react-markdown-editor/master/README.md
+Markdown URL 地址: https://raw.githubusercontent.com/jaywcjlove/c-tutorial/master/README.md
 ```
 
 ## 主题定制

package.json

@@ -12,6 +12,7 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "^7.18.9",
+    "@tanstack/react-query": "^4.2.3",
     "@uiw/codemirror-theme-abcdef": "^4.11.6",
     "@uiw/codemirror-theme-androidstudio": "^4.11.6",
     "@uiw/codemirror-theme-atomone": "^4.11.6",
@@ -55,10 +56,10 @@
     "@types/react-dom": "^18.0.6",
     "@types/styled-components": "^5.1.25",
     "husky": "^8.0.1",
-    "prettier": "^2.7.1",
-    "pretty-quick": "~3.1.3",
     "kkt": "^7.2.0",
-    "markdown-react-code-preview-loader": "^2.1.2"
+    "markdown-react-code-preview-loader": "^2.1.2",
+    "prettier": "^2.7.1",
+    "pretty-quick": "~3.1.3"
   },
   "eslintConfig": {
     "extends": [

src/index.tsx

@@ -4,8 +4,9 @@ import { HashRouter } from 'react-router-dom';
 import BackToUp from '@uiw/react-back-to-top';
 import { Toaster } from 'react-hot-toast';
 import { createGlobalStyle } from 'styled-components';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import App from './App';
-import { Provider } from './store/context';
+import { Provider } from './store/Provider';
 
 export const GlobalStyle = createGlobalStyle`
   [data-color-mode*='dark'], [data-color-mode*='dark'] body {
@@ -52,6 +53,7 @@ export const GlobalStyle = createGlobalStyle`
   }
 `;
 
+const queryClient = new QueryClient();
 const style: React.CSSProperties = { zIndex: 999 };
 
 const container = document.getElementById('root');
@@ -61,8 +63,10 @@ root.render(
     <Toaster />
     <BackToUp style={style}>Top</BackToUp>
     <GlobalStyle />
-    <Provider>
-      <App />
-    </Provider>
+    <QueryClientProvider client={queryClient}>
+      <Provider>
+        <App />
+      </Provider>
+    </QueryClientProvider>
   </HashRouter>,
 );

src/pages/home/index.tsx

@@ -14,16 +14,18 @@ export const Warpper = styled.div`
 
 export const HomePage = () => {
   const commands = [...getCommands(), themeCommand];
-  const { theme, markdown, setMarkdown } = useContext(Context);
+  const { theme, markdown, isLoading, setMarkdown } = useContext(Context);
   const themeValue = themes[theme].value;
   const handleChange = (value: string) => setMarkdown(value);
+  console.log(isLoading);
   return (
     <Warpper>
       <MarkdownEditor
         value={markdown}
         toolbars={commands}
         theme={themeValue}
-        toolbarsMode={[cssCommand, previeTheme, copy, 'preview', 'fullscreen']}
+        readOnly={isLoading}
+        toolbarsMode={[cssCommand, previeTheme, copy, 'fullscreen', 'preview']}
         extensions={[EditorView.lineWrapping]}
         renderPreview={Preview}
         onChange={handleChange}

src/pages/theme/editor.tsx

@@ -12,8 +12,8 @@ import { Warpper } from '../home';
 
 export const EditorPage = () => {
   const commands = [themeTitle, themeCommand, previousCommand];
-  const toolbarsMode: IMarkdownEditor['toolbarsMode'] = [previeTheme, copy, 'preview', 'fullscreen'];
-  const { theme, css, setCss } = useContext(Context);
+  const toolbarsMode: IMarkdownEditor['toolbarsMode'] = [previeTheme, copy, 'fullscreen', 'preview'];
+  const { theme, css, setCss, isLoading } = useContext(Context);
   const value = themes[theme].value;
   const handleChange = (value: string) => setCss(value);
   return (
@@ -21,6 +21,7 @@ export const EditorPage = () => {
       <MarkdownEditor
         value={css}
         theme={value}
+        readOnly={isLoading}
         toolbars={commands}
         toolbarsMode={toolbarsMode}
         reExtensions={[EditorView.lineWrapping, cssLang()]}

src/store/Provider.tsx

@@ -0,0 +1,49 @@
+import React, { useEffect } from 'react';
+import { useSearchParams } from 'react-router-dom';
+import { PreviewThemeValue, previewThemes, ThemeValue, Context } from './context';
+import { useMdSource } from './getMdSource';
+
+import data from '../../README.md';
+
+export const Provider: React.FC<React.PropsWithChildren> = ({ children }) => {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const paramPreviewTheme = searchParams.get('theme') as PreviewThemeValue;
+  const initPreviewTheme = paramPreviewTheme || 'underscore';
+  const mdurl = searchParams.get('md');
+  const [markdown, setMarkdown] = React.useState<string>(mdurl ? '' : data.source);
+  const [css, setCss] = React.useState<string>(previewThemes[initPreviewTheme].value);
+  const [previewTheme, setPreviewTheme] = React.useState<PreviewThemeValue>(initPreviewTheme);
+  const [theme, setTheme] = React.useState<ThemeValue>('default');
+  const [isLoading, setIsLoading] = React.useState<boolean>(true);
+  const { data: mddata, isLoading: loading } = useMdSource(mdurl);
+  useEffect(() => {
+    if (paramPreviewTheme !== previewTheme) {
+      searchParams.set('theme', previewTheme);
+      setSearchParams(searchParams);
+    }
+  }, [paramPreviewTheme, previewTheme, searchParams, setSearchParams]);
+  useEffect(() => {
+    if (mdurl) {
+      setMarkdown(mddata || '');
+    }
+  }, [mddata, mdurl]);
+  useEffect(() => setIsLoading(loading), [loading]);
+  return (
+    <Context.Provider
+      value={{
+        isLoading,
+        setIsLoading,
+        markdown,
+        setMarkdown,
+        css,
+        setCss,
+        previewTheme,
+        setPreviewTheme,
+        theme,
+        setTheme,
+      }}
+    >
+      {children}
+    </Context.Provider>
+  );
+};

src/store/context.tsx

@@ -1,5 +1,4 @@
-import React, { useEffect } from 'react';
-import { useSearchParams } from 'react-router-dom';
+import React from 'react';
 import { defaultTheme } from '@uiw/react-markdown-editor';
 import { abcdef } from '@uiw/codemirror-theme-abcdef';
 import { androidstudio } from '@uiw/codemirror-theme-androidstudio';
@@ -115,6 +114,8 @@ export type ThemeValue = keyof typeof themes;
 export type PreviewThemeValue = keyof typeof previewThemes;
 
 export interface CreateContext {
+  isLoading: boolean;
+  setIsLoading: React.Dispatch<React.SetStateAction<boolean>>;
   markdown: string;
   setMarkdown: React.Dispatch<React.SetStateAction<string>>;
   css: string;
@@ -126,6 +127,8 @@ export interface CreateContext {
 }
 
 export const Context = React.createContext<CreateContext>({
+  isLoading: true,
+  setIsLoading: () => {},
   markdown: data.source,
   setMarkdown: () => {},
   css: previewThemes['underscore'].value,
@@ -135,35 +138,3 @@ export const Context = React.createContext<CreateContext>({
   theme: 'default',
   setTheme: () => {},
 });
-
-export const Provider: React.FC<React.PropsWithChildren> = ({ children }) => {
-  const [searchParams, setSearchParams] = useSearchParams();
-  const paramPreviewTheme = searchParams.get('theme') as PreviewThemeValue;
-  const initPreviewTheme = paramPreviewTheme || 'underscore';
-  const [markdown, setMarkdown] = React.useState<string>(data.source);
-  const [css, setCss] = React.useState<string>(previewThemes[initPreviewTheme].value);
-  const [previewTheme, setPreviewTheme] = React.useState<PreviewThemeValue>(initPreviewTheme);
-  const [theme, setTheme] = React.useState<ThemeValue>('default');
-  useEffect(() => {
-    if (paramPreviewTheme !== previewTheme) {
-      searchParams.set('theme', previewTheme);
-      setSearchParams(searchParams);
-    }
-  }, [paramPreviewTheme, previewTheme, searchParams, setSearchParams]);
-  return (
-    <Context.Provider
-      value={{
-        markdown,
-        setMarkdown,
-        css,
-        setCss,
-        previewTheme,
-        setPreviewTheme,
-        theme,
-        setTheme,
-      }}
-    >
-      {children}
-    </Context.Provider>
-  );
-};

src/store/getMdSource.ts

@@ -0,0 +1,12 @@
+import { useQuery } from '@tanstack/react-query';
+
+export const useMdSource = (url: string | null) => {
+  return useQuery(['database-list', url], () => {
+    if (!url) return Promise.resolve('');
+    return fetch(url)
+      .then((response) => response.text())
+      .then((data) => {
+        return data;
+      });
+  });
+};

src/themes/base.md.css

@@ -103,7 +103,7 @@ th {
 .code-spans {
   text-align: left;
   line-height: 1;
-  white-space: pre;
+  white-space: initial;
   background: rgba(27, 31, 35, 0.05);
   padding: 0.2em 0.6em;
   border-radius: 0.6em;

src/themes/default.md.css

@@ -142,7 +142,7 @@ th {
 .code-spans {
   text-align: left;
   line-height: 1;
-  white-space: pre;
+  white-space: initial;
   color: #009874;
   background: rgba(27, 31, 35, 0.05);
   padding: 0.2em 0.6em;

src/themes/simple.md.css

@@ -142,7 +142,7 @@ th {
 .code-spans {
   text-align: left;
   line-height: 1;
-  white-space: pre;
+  white-space: initial;
   color: #0f4c81;
   background: rgba(27, 31, 35, 0.05);
   padding: 0.2em 0.6em;

src/themes/underscore.md.css

@@ -139,7 +139,7 @@ th {
 .code-spans {
   text-align: left;
   line-height: 1;
-  white-space: pre;
+  white-space: initial;
   color: #ffb11b;
   background: rgba(27, 31, 35, 0.05);
   padding: 0.2em 0.6em;