Files
plainleaf/client/codemirror/block.ts
T

32 lines
831 B
TypeScript

import type { EditorState } from "@codemirror/state";
import { syntaxTree } from "@codemirror/language";
import { Decoration } from "@codemirror/view";
import {
decoratorStateField,
invisibleDecoration,
isCursorInRange,
} from "./util.ts";
export function cleanBlockPlugin() {
return decoratorStateField((state: EditorState) => {
const widgets: any[] = [];
syntaxTree(state).iterate({
enter(node) {
if (
node.name === "HorizontalRule" &&
!isCursorInRange(state, [node.from, node.to])
) {
widgets.push(invisibleDecoration.range(node.from, node.to));
widgets.push(
Decoration.line({
class: "sb-line-hr",
}).range(node.from),
);
}
},
});
return Decoration.set(widgets, true);
});
}