marshall-y-slate
Version:
Yjs bindings for Slate.
50 lines • 3.9 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.withCursor = exports.CursorEditor = void 0;
const tiny_invariant_1 = __importDefault(require("tiny-invariant"));
const utils_1 = require("../cursor/utils");
const yjs_editor_1 = require("./yjs-editor");
const AWARENESS = new WeakMap();
exports.CursorEditor = {
awareness(editor) {
const awareness = AWARENESS.get(editor);
(0, tiny_invariant_1.default)(awareness, 'CursorEditor without attaches awareness');
return awareness;
},
updateCursor: (editor) => {
const sharedType = yjs_editor_1.YjsEditor.sharedType(editor);
const { selection } = editor;
try {
const anchor = selection &&
(0, utils_1.absolutePositionToRelativePosition)(sharedType, selection.anchor);
const focus = selection &&
(0, utils_1.absolutePositionToRelativePosition)(sharedType, selection.focus);
const awareness = exports.CursorEditor.awareness(editor);
awareness.setLocalState(Object.assign(Object.assign({}, awareness.getLocalState()), { anchor, focus }));
}
catch (error) {
const e = editor;
if (e.onError) {
e.onError({ code: 10003, name: 'update cursor', nativeError: error });
}
}
}
};
function withCursor(editor, awareness) {
const e = editor;
AWARENESS.set(e, awareness);
e.awareness = awareness;
const { onChange } = editor;
e.onChange = () => {
setTimeout(() => exports.CursorEditor.updateCursor(e), 0);
if (onChange) {
onChange();
}
};
return e;
}
exports.withCursor = withCursor;
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