feat(EditorView): change default selection styles

demo/stories/css-variables/CSSVariables.stories.tsx

@@ -28,6 +28,30 @@ export const Story: StoryObj<typeof component> = {
             control: {type: 'text'},
             description: 'Editor contents padding',
         },
+        '--g-selection-bg-color': {
+            control: {type: 'text'},
+            description: 'Editor selection bg color',
+        },
+        '--g-selection-border': {
+            control: {type: 'text'},
+            description: 'Editor selection border',
+        },
+        '--g-selection-border-radius': {
+            control: {type: 'text'},
+            description: 'Editor selection border radius',
+        },
+        '--g-selection-outline': {
+            control: {type: 'text'},
+            description: 'Editor selection outline',
+        },
+        '--g-selection-background': {
+            control: {type: 'text'},
+            description: 'Editor selection background',
+        },
+        '--g-selection-box-shadow': {
+            control: {type: 'text'},
+            description: 'Editor selection box-shadow',
+        },
     },
 };
 Story.storyName = 'Custom CSS Variables';

docs/how-to-customize-the-editor.md

@@ -3,6 +3,7 @@
 ## How to customize the editor
 You can use CSS variables to make editor contents fit your own needs
 
+### Elements styles
 | **Variable** | **Description** | **CSS Property Type** | **Default** |
 | :---:  | :---: | :---: | :---: |
 | `--g-md-toolbar-padding` | Toolbar padding | padding | 0px |
@@ -11,3 +12,11 @@ You can use CSS variables to make editor contents fit your own needs
 | `--g-md-toolbar-sticky-offset` | Toolbar offset in sticky mode | top | 0px |
 | `--g-md-toolbar-sticky-border` | Toolbar border in sticky mode | border | 1px solid var(--g-color-line-generic-solid) |
 | `--g-md-editor-padding` | Editor contents padding | padding | 0px |
+
+### Selection styles
+| **Variable** | **Description** | **CSS Property Type** | **Default** |
+| `--g-selection-border` | Editor selection border | border | none |
+| `--g-selection-border-radius` | Editor selection border radius | border-radius | 6px |
+| `--g-selection-outline` | Editor selection outline | outline | none |
+| `--g-selection-background` | Editor selection background | background | #e6e6e6 |
+| `--g-selection-box-shadow` | Editor selection box shadow | box-shadow | none |

src/extensions/base/BaseStyles/index.scss

@@ -1,28 +1,80 @@
-@use '../../../../node_modules/prosemirror-view/style/prosemirror';
+$active-node-default-indent-top: calc(-1 * var(--g-spacing-1));
+$active-node-default-indent-bottom: calc(-1 * var(--g-spacing-1));
+$active-node-default-indent-left: calc(-1 * var(--g-spacing-2));
+$active-node-default-indent-right: calc(-1 * var(--g-spacing-2));
 
-// Make outline appear only if ProseMirror is focused
+$active-node-selector: '.pm-node-selected';
+$basic-elements: h1, h2, h3, h4, h5, h6, p, ul, ol, span, pre, '*[data-html], .g-md-checkbox';
 
-.ProseMirror-selectednode {
-    outline: none;
+$default-selection-border: none;
+$default-selection-border-radius: var(--g-border-radius-m);
+$default-selection-outline: none;
+// TODO: CHANGE TO TOKEN
+$default-selection-background: #e6e6e6;
+$default-selection-box-shadow: none;
+
+$default-li-marker-width: var(--g-spacing-4);
+
+@mixin node-props {
+    position: relative;
+
+    border: $default-selection-border;
+    border-radius: $default-selection-border-radius;
+    outline: $default-selection-outline;
+    background: var(--g-selection-background, $default-selection-background);
+    box-shadow: $default-selection-box-shadow;
 }
 
-.li.ProseMirror-selectednode:after {
-    border: none;
+@mixin selection-props {
+    border: var(--g-selection-border, $default-selection-border);
+    border-radius: var(--g-selection-border-radius, $default-selection-border-radius);
+    outline: var(--g-selection-outline, $default-selection-outline);
+    background: var(--g-selection-background, $default-selection-background);
+    box-shadow: var(--g-selection-box-shadow, $default-selection-box-shadow);
 }
 
-.g-md-editor.ProseMirror-focused {
-    .ProseMirror-selectednode {
-        outline: 2px solid #8cf;
-    }
+[class].g-md-editor {
+    @each $basic-element in $basic-elements {
+        & #{$basic-element}#{$active-node-selector} {
+            @include node-props;
+
+            &::after {
+                position: absolute;
+                z-index: -1;
+                inset: $active-node-default-indent-top
+                    $active-node-default-indent-right
+                    $active-node-default-indent-bottom
+                    $active-node-default-indent-left;
+
+                content: '';
 
-    li.ProseMirror-selectednode:after {
-        border: 2px solid #8cf;
+                @include selection-props;
+            }
+
+            & img {
+                mix-blend-mode: multiply;
+            }
+        }
     }
-}
 
-.g-md-editor.ProseMirror,
-.g-md-editor .ProseMirror {
-    &:focus {
-        outline: none;
+    & li#{$active-node-selector} {
+        @include node-props;
+
+        &::marker {
+            @include selection-props;
+        }
+
+        &::after {
+            position: absolute;
+            z-index: -1;
+            inset: $active-node-default-indent-top
+                $active-node-default-indent-right
+                $active-node-default-indent-bottom
+                calc($active-node-default-indent-left - max(var(--li-marker-width, 0), $default-li-marker-width));
+
+            content: '';
+
+            @include selection-props;
+        }
     }
 }

src/extensions/markdown/Lists/ListsSpecs/index.ts

@@ -17,6 +17,27 @@ export const ListsSpecs: ExtensionAuto = (builder) => {
             spec: schemaSpecs[ListNode.ListItem],
             toMd: serializerTokens[ListNode.ListItem],
             fromMd: {tokenSpec: parserTokens[ListNode.ListItem]},
+            // @ts-expect-error
+            view: () => (node, view, getPos) => {
+                return {
+                    update: (node_) => {
+                        node = node_;
+
+                        const pos = getPos();
+                        if (pos === undefined) return false;
+
+                        const dom = view.domAtPos(pos + 1).node as HTMLElement;
+
+                        const markerWidth = Math.max(
+                            Math.floor(parseFloat(getComputedStyle(dom, '::marker').width)),
+                        );
+
+                        dom.style.setProperty('--li-marker-width', `${markerWidth}px`);
+
+                        return true;
+                    },
+                };
+            },
         }))
         .addNode(ListNode.BulletList, () => ({
             spec: schemaSpecs[ListNode.BulletList],