feat(react/widgets): port api_log

apps/client/src/widgets/api_log.tsx

@@ -0,0 +1,41 @@
+import { useEffect, useState } from "preact/hooks";
+import "./api_log.css";
+import { useNoteContext, useTriliumEvent } from "./react/hooks";
+import ActionButton from "./react/ActionButton";
+import { t } from "../services/i18n";
+
+/**
+ * Displays the messages that are logged by the current note via `api.log`, for frontend and backend scripts.
+ */
+export default function ApiLog() {
+    const { note, noteId } = useNoteContext();
+    const [ messages, setMessages ] = useState<string[]>();
+
+    useTriliumEvent("apiLogMessages", ({ messages, noteId: eventNoteId }) => {
+        if (eventNoteId !== noteId) return;
+        setMessages(messages);
+    });
+
+    // Clear when navigating away.
+    useEffect(() => setMessages(undefined), [ note ]);
+
+    const isEnabled = note?.mime.startsWith("application/javascript;env=") && messages?.length;
+    return (
+        <div className={`api-log-widget ${!isEnabled ? "hidden-ext" : ""}`}>
+            {isEnabled && (
+                <>
+                    <ActionButton
+                        icon="bx bx-x"
+                        className="close-api-log-button"
+                        text={t("api_log.close")}
+                        onClick={() => setMessages(undefined)}
+                    />
+
+                    <div className="api-log-container">
+                        {messages.join("\n")}
+                    </div>
+                </>
+            )}
+        </div>
+    )
+}