monaco mobile support is poor, fallback to textarea

commafeed-client/src/components/code/CodeEditor.tsx

@@ -0,0 +1,36 @@
+import { Input, Textarea } from "@mantine/core"
+import RichCodeEditor from "components/code/RichCodeEditor"
+import { useMobile } from "hooks/useMobile"
+import { ReactNode } from "react"
+
+interface CodeEditorProps {
+    description?: ReactNode
+    language: "css" | "javascript"
+    value: string
+    onChange: (value: string | undefined) => void
+}
+
+export function CodeEditor(props: CodeEditorProps) {
+    const mobile = useMobile()
+
+    return mobile ? (
+        // monaco mobile support is poor, fallback to textarea
+        <Textarea
+            autosize
+            minRows={4}
+            maxRows={15}
+            description={props.description}
+            styles={{
+                input: {
+                    fontFamily: "monospace",
+                },
+            }}
+            value={props.value}
+            onChange={e => props.onChange(e.currentTarget.value)}
+        />
+    ) : (
+        <Input.Wrapper description={props.description}>
+            <RichCodeEditor height="30vh" language={props.language} value={props.value} onChange={props.onChange} />
+        </Input.Wrapper>
+    )
+}

commafeed-client/src/components/code/RichCodeEditor.tsx

@@ -0,0 +1,52 @@
+import { useMantineTheme } from "@mantine/core"
+import { Loader } from "components/Loader"
+import { useAsync } from "react-async-hook"
+
+const init = async () => {
+    window.MonacoEnvironment = {
+        async getWorker(_, label) {
+            let worker
+            if (label === "css") {
+                worker = await import("monaco-editor/esm/vs/language/css/css.worker?worker")
+            } else if (label === "javascript") {
+                worker = await import("monaco-editor/esm/vs/language/typescript/ts.worker?worker")
+            } else {
+                worker = await import("monaco-editor/esm/vs/editor/editor.worker?worker")
+            }
+            // eslint-disable-next-line new-cap
+            return new worker.default()
+        },
+    }
+
+    const monacoReact = await import("@monaco-editor/react")
+    const monaco = await import("monaco-editor")
+    monacoReact.loader.config({ monaco })
+    return monacoReact.Editor
+}
+
+interface RichCodeEditorProps {
+    height: number | string
+    language: "css" | "javascript"
+    value: string
+    onChange: (value: string | undefined) => void
+}
+
+function RichCodeEditor(props: RichCodeEditorProps) {
+    const theme = useMantineTheme()
+    const editorTheme = theme.colorScheme === "dark" ? "vs-dark" : "light"
+
+    const { result: Editor } = useAsync(init, [])
+    if (!Editor) return <Loader />
+    return (
+        <Editor
+            height={props.height}
+            defaultLanguage={props.language}
+            theme={editorTheme}
+            options={{ minimap: { enabled: false } }}
+            value={props.value}
+            onChange={props.onChange}
+        />
+    )
+}
+
+export default RichCodeEditor