@atlaskit/editor-plugin-synced-block
Version:
SyncedBlock plugin for @atlaskit/editor-core
42 lines (41 loc) • 2.64 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.transactionInsertsSyncedBlock = void 0;
var _transform = require("@atlaskit/editor-prosemirror/transform");
function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t.return || t.return(); } finally { if (u) throw o; } } }; }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
/**
* Cheap step-level scan to detect whether the given transaction inserts a
* synced block (source or reference). Used by the lazy-init path to know when
* a previously "no synced blocks" document has gained one.
*/
var transactionInsertsSyncedBlock = exports.transactionInsertsSyncedBlock = function transactionInsertsSyncedBlock(tr) {
if (!tr.docChanged) {
return false;
}
var _iterator = _createForOfIteratorHelper(tr.steps),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var step = _step.value;
if (!(step instanceof _transform.ReplaceStep || step instanceof _transform.ReplaceAroundStep)) {
continue;
}
var childCount = step.slice.content.childCount;
for (var i = 0; i < childCount; i++) {
var child = step.slice.content.child(i);
if (child.type.name === 'syncBlock' || child.type.name === 'bodiedSyncBlock') {
return true;
}
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return false;
};