vscroll/dist/esm5/classes/datasource.js

Virtual scroll engine

import { __extends } from "tslib";
import { AdapterContext } from './adapter/context';
import { reactiveConfigStorage, AdapterPropType, getDefaultAdapterProps } from './adapter/props';
import { wantedStorage } from './adapter/wanted';
var getDefaultAdapterConfig = function () {
  var reactive = getDefaultAdapterProps()
    .filter(function (_a) {
    var type = _a.type;
    return type === AdapterPropType.Reactive;
  })
    .reduce(function (acc, _a) {
    var name = _a.name, value = _a.value;
    acc[name] = {
      source: value,
      emit: function (source, val) { return source.set(val); }
    };
    return acc;
  }, {});
  return { mock: false, reactive: reactive };
};
var DatasourceGeneric = /** @class */ (function () {
  function DatasourceGeneric(datasource, config) {
    this.get = datasource.get;
    this.settings = datasource.settings;
    this.devSettings = datasource.devSettings;
    var adapterContext = new AdapterContext(config || { mock: false });
    this.adapter = adapterContext;
  }
  // todo: should it be published?
  DatasourceGeneric.prototype.dispose = function () {
    reactiveConfigStorage.delete(this.adapter.id);
    wantedStorage.delete(this.adapter.id);
  };
  return DatasourceGeneric;
}());
export { DatasourceGeneric };
export var makeDatasource = function (getAdapterConfig) {
  return /** @class */ (function (_super) {
    __extends(class_1, _super);
    function class_1(datasource) {
      var config = typeof getAdapterConfig === 'function' ? getAdapterConfig() : getDefaultAdapterConfig();
      return _super.call(this, datasource, config) || this;
    }
    return class_1;
  }(DatasourceGeneric));
};
export var Datasource = makeDatasource();
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