website: fix example type error.

Author: jaywcjlove

core/README.md

@@ -172,6 +172,7 @@ export default function App() {
 - ~~`@codemirror/legacy-modes/mode/cpp`~~ => [`@codemirror/lang-cpp`](https://www.npmjs.com/package/@codemirror/lang-cpp)
 - ~~`@codemirror/legacy-modes/mode/html`~~ => [`@codemirror/lang-html`](https://www.npmjs.com/package/@codemirror/lang-html)
 - ~~`@codemirror/legacy-modes/mode/java`~~ => [`@codemirror/lang-java`](https://www.npmjs.com/package/@codemirror/lang-java)
+- ~~`@codemirror/legacy-modes/mode/go`~~ => [`@codemirror/lang-go`](https://www.npmjs.com/package/@codemirror/lang-go)
 - ~~`@codemirror/legacy-modes/mode/javascript`~~ => [`@codemirror/lang-javascript`](https://www.npmjs.com/package/@codemirror/lang-javascript)
 - ~~`@codemirror/legacy-modes/mode/json`~~ => [`@codemirror/lang-json`](https://www.npmjs.com/package/@codemirror/lang-json)
 - ~~`@codemirror/legacy-modes/mode/lezer`~~ => [`@codemirror/lang-lezer`](https://www.npmjs.com/package/@codemirror/lang-lezer)

www/src/pages/home/Example.tsx

@@ -69,7 +69,7 @@ export default function Example() {
     crosshairCursor: false,
   });
 
-  function handleLangChange(lang: keyof typeof langs) {
+  function handleLangChange(lang: string) {
     try {
       import(`code-example/txt/sample.${lang.toLocaleLowerCase()}.txt`)
         .then((data) => {
@@ -108,7 +108,7 @@ export default function Example() {
           autoFocus={autofocus}
           basicSetup={basicSetup}
           placeholder={placeholder}
-          onChange={(val) => {
+          onChange={(val: string) => {
             // https://github.com/uiwjs/react-codemirror/issues/449
             // setCode(val)
           }}
@@ -125,7 +125,7 @@ export default function Example() {
             label="Lang"
             options={Object.keys(langs).sort()}
             value={mode}
-            onChange={(evn) => handleLangChange(evn.target.value as keyof typeof langs)}
+            onChange={(evn) => handleLangChange(evn.target.value)}
           />
           <Select
             label="Website Theme"