marshall-y-slate
Version:
Yjs bindings for Slate.
49 lines • 4.39 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const tiny_invariant_1 = __importDefault(require("tiny-invariant"));
const model_1 = require("../../model");
const path_1 = require("../../path");
const clone_1 = __importDefault(require("../../utils/clone"));
/**
* Applies a split node operation to a SharedType
*
* @param doc
* @param op
*/
function splitNode(doc, op) {
const [parent, index] = (0, path_1.getParent)(doc, op.path);
const children = model_1.SyncNode.getChildren(parent);
(0, tiny_invariant_1.default)(children, 'Parent of node should have children');
const target = children.get(index);
const inject = (0, clone_1.default)(target);
children.insert(index + 1, [inject]);
Object.entries(op.properties).forEach(([key, value]) => inject.set(key, value));
if (model_1.SyncNode.getText(target) !== undefined) {
const targetText = model_1.SyncNode.getText(target);
const injectText = model_1.SyncNode.getText(inject);
(0, tiny_invariant_1.default)(targetText);
(0, tiny_invariant_1.default)(injectText);
if (targetText.length > op.position) {
targetText.delete(op.position, targetText.length - op.position);
}
if (injectText !== undefined && op.position !== undefined) {
injectText.delete(0, op.position);
}
}
else {
const targetChildren = model_1.SyncNode.getChildren(target);
const injectChildren = model_1.SyncNode.getChildren(inject);
(0, tiny_invariant_1.default)(targetChildren);
(0, tiny_invariant_1.default)(injectChildren);
targetChildren.delete(op.position, targetChildren.length - op.position);
if (op.position !== undefined) {
injectChildren.delete(0, op.position);
}
}
return doc;
}
exports.default = splitNode;
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