@dark-engine/core/dist/cjs/batch/batch.js

The lightweight and powerful UI rendering engine without dependencies and written in TypeScript (Browser, Node.js, Android, iOS, Windows, Linux, macOS)

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
exports.addBatch = exports.batch = void 0;
const scope_1 = require('../scope');
function batch(callback) {
  const $scope = (0, scope_1.$$scope)();
  $scope.setIsBatch(true);
  callback();
  $scope.setIsBatch(false);
}
exports.batch = batch;
function addBatch(hook, callback, change) {
  const $scope = (0, scope_1.$$scope)();
  if ($scope.getIsTransition()) {
    callback();
  } else {
    const batch = hook.getBatch() || { timer: null, changes: [] };
    hook.setBatch(batch);
    batch.changes.push(change);
    batch.timer && clearTimeout(batch.timer);
    batch.timer = setTimeout(() => {
      batch.changes.splice(-1);
      batch.changes.forEach(x => x());
      hook.setBatch(null);
      callback();
    });
  }
}
exports.addBatch = addBatch;
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