Replace svelte-contextmenu with a custom implementation

Keyboard navigation is to be handled.

package.json

@@ -77,8 +77,7 @@
         "lodash-es": "^4.17.21",
         "lru-cache": "^10.2.0",
         "marked": "^5.1.0",
-        "mathjax": "^3.1.2",
-        "svelte-contextmenu": "^1.0.2"
+        "mathjax": "^3.1.2"
     },
     "resolutions": {
         "canvas": "npm:empty-npm-package@1.0.0",

ts/lib/context-menu/ContextMenu.svelte

@@ -0,0 +1,82 @@
+<!-- Copyright: Ankitects Pty Ltd and contributors -->
+<!-- License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html -->
+
+<script lang="ts">
+    import { tick } from "svelte";
+    import type { ContextMenuMouseEvent } from "./types";
+
+    let visible = $state(false);
+    let x = $state(0);
+    let y = $state(0);
+    let contextMenuElement = $state<HTMLDivElement>();
+
+    const { children } = $props();
+
+    export async function show(event: ContextMenuMouseEvent) {
+        event.preventDefault();
+
+        x = event.clientX;
+        y = event.clientY;
+        visible = true;
+
+        await tick();
+        const rect = contextMenuElement!.getBoundingClientRect();
+        const viewportWidth = window.innerWidth;
+        const viewportHeight = window.innerHeight;
+
+        if (x + rect.width > viewportWidth) {
+            x = viewportWidth - rect.width;
+        }
+        if (y + rect.height > viewportHeight) {
+            y = viewportHeight - rect.height;
+        }
+
+        x = Math.max(0, x);
+        y = Math.max(0, y);
+    }
+
+    function hide() {
+        visible = false;
+    }
+
+    function handleClickOutside(event: MouseEvent) {
+        if (
+            visible &&
+            contextMenuElement &&
+            !contextMenuElement.contains(event.target as Node)
+        ) {
+            hide();
+        }
+    }
+</script>
+
+<svelte:document on:click={handleClickOutside} />
+
+{#if visible}
+    <div
+        bind:this={contextMenuElement}
+        class="context-menu"
+        style="left: {x}px; top: {y}px;"
+        role="menu"
+        tabindex="0"
+        onclick={hide}
+        onkeydown={hide}
+    >
+        {@render children?.()}
+    </div>
+{/if}
+
+<style lang="scss">
+    .context-menu {
+        position: fixed;
+        background: var(--canvas);
+        border: 1px solid var(--border);
+        border-radius: 4px;
+        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+        padding: 4px 0;
+        min-width: 120px;
+        z-index: 1000;
+        font-size: 13px;
+        outline: none;
+    }
+</style>

ts/lib/context-menu/Item.svelte

@@ -0,0 +1,33 @@
+<!-- Copyright: Ankitects Pty Ltd and contributors -->
+<!-- License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html -->
+
+<script lang="ts">
+    const { click, children } = $props();
+</script>
+
+<div
+    class="context-menu-item"
+    onclick={click}
+    onkeydown={click}
+    role="menuitem"
+    tabindex="-1"
+>
+    {@render children?.()}
+</div>
+
+<style lang="scss">
+    .context-menu-item {
+        padding: 8px 16px;
+        cursor: pointer;
+        user-select: none;
+        white-space: nowrap;
+
+        &:hover {
+            background-color: var(--highlight-bg);
+        }
+
+        &:active {
+            background-color: var(--highlight-bg);
+        }
+    }
+</style>

ts/lib/context-menu/index.ts

@@ -0,0 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+export { default as ContextMenu } from "./ContextMenu.svelte";
+export { default as Item } from "./Item.svelte";
+export type { ContextMenuAPI, ContextMenuMouseEvent } from "./types";

ts/lib/context-menu/types.ts

@@ -0,0 +1,12 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
+export interface ContextMenuMouseEvent {
+    clientX: number;
+    clientY: number;
+    preventDefault(): void;
+}
+
+export interface ContextMenuAPI {
+    show(event: ContextMenuMouseEvent): void;
+}

ts/routes/editor/NoteEditor.svelte

@@ -14,7 +14,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import LabelContainer from "./LabelContainer.svelte";
     import LabelName from "./LabelName.svelte";
     import { EditorState, type EditorMode } from "./types";
-    import ContextMenu, { Item } from "svelte-contextmenu";
+    import { ContextMenu, Item } from "$lib/context-menu";
 
     export interface NoteEditorAPI {
         fields: EditorFieldAPI[];
@@ -1226,7 +1226,7 @@ components and functionality for general note editing.
     <ContextMenu bind:this={contextMenu}>
         {#each contextMenuItems as item}
             <Item
-                on:click={() => {
+                click={() => {
                     item.action();
                     contextMenuInput?.focus();
                 }}

ts/routes/editor/context-menu.svelte.ts

@@ -1,12 +1,12 @@
 // Copyright: Ankitects Pty Ltd and contributors
 // License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
+import type { ContextMenu, ContextMenuMouseEvent } from "$lib/context-menu";
+
 import { openMedia, showInMediaFolder } from "@generated/backend";
 import * as tr from "@generated/ftl";
 import { bridgeCommand } from "@tslib/bridgecommand";
 import { getSelection } from "@tslib/cross-browser";
-import type ContextMenu from "svelte-contextmenu";
-import type { ContextMenuMouseEvent } from "svelte-contextmenu/ContextMenuMouseEvent";
 import { get } from "svelte/store";
 import type { EditingInputAPI } from "./EditingArea.svelte";
 import type { NoteEditorAPI } from "./NoteEditor.svelte";
@@ -114,8 +114,6 @@ export function setupContextMenu(): [
         if (contextMenuItems.length > 0) {
             contextMenu?.show(event);
         }
-
-        event.preventDefault();
     }
 
     return [onContextMenu, contextMenuItems];

yarn.lock

@@ -1761,7 +1761,6 @@ __metadata:
     sass: "npm:<1.77"
     svelte: "npm:^5.34.9"
     svelte-check: "npm:^4.2.2"
-    svelte-contextmenu: "npm:^1.0.2"
     svelte-preprocess: "npm:^6.0.3"
     svelte-preprocess-esbuild: "npm:^3.0.1"
     svgo: "npm:^3.2.0"
@@ -6229,13 +6228,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"svelte-contextmenu@npm:^1.0.2":
-  version: 1.0.2
-  resolution: "svelte-contextmenu@npm:1.0.2"
-  checksum: 10c0/33cf79540337862278927f4b732b5d97f2c029348666ebcd3105b5c08bed54498a1d66f61b0212c18c204942cf54c9f6ce5ed509981d9f19f99f9334d8961cdf
-  languageName: node
-  linkType: hard
-
 "svelte-eslint-parser@npm:^0.43.0":
   version: 0.43.0
   resolution: "svelte-eslint-parser@npm:0.43.0"