@rxap/data-source
Version:
Provides a set of classes and decorators for creating and managing data sources in Angular applications, including base classes, static data sources, observable data sources, and method data sources. It also includes a component for displaying data source
133 lines (125 loc) • 6.33 kB
JavaScript
import * as i1 from '@rxap/data-source';
import { RxapDataSourceError, BaseDataSource, RXAP_DATA_SOURCE_METADATA, RxapDataSource } from '@rxap/data-source';
import * as i0 from '@angular/core';
import { InjectionToken, Injectable, Optional, Inject } from '@angular/core';
import { IsRequiredPropertyDefined } from '@rxap/utilities';
import { tap, switchMap, startWith, map } from 'rxjs/operators';
const RXAP_PAGINATION_DATA_SOURCE = new InjectionToken('@rxap/data-source/pagination/source');
const RXAP_PAGINATION_DATA_SOURCE_PAGINATOR = new InjectionToken('@rxap/data-source/pagination/paginator');
class RxapPaginationDataSourceError extends RxapDataSourceError {
constructor(message, code, className) {
super(message, code, className);
this.addSubPackageName('pagination');
}
}
class AbstractPaginationDataSource extends BaseDataSource {
constructor(paginator = null, metadata = null) {
super(metadata);
this._totalLength = 0;
if (paginator) {
this.paginator = paginator;
}
}
get pageIndex() {
return this.paginator?.pageIndex ?? 0;
}
get pageSize() {
return this.paginator?.pageSize ?? this.totalLength;
}
get totalLength() {
return this._totalLength;
}
updateTotalLength(totalLength) {
if (this.paginator && this.paginator.length !== totalLength) {
this.paginator.length = totalLength;
}
this._totalLength = totalLength;
}
assertPaginator() {
if (!IsRequiredPropertyDefined(this, 'paginator')) {
throw new RxapPaginationDataSourceError('The paginator instance is not defined!', '');
}
}
applyPagination(data, pageSize, pageIndex) {
return data.slice(pageSize * pageIndex, pageSize * pageIndex + pageSize);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: AbstractPaginationDataSource, deps: [{ token: RXAP_PAGINATION_DATA_SOURCE_PAGINATOR, optional: true }, { token: RXAP_DATA_SOURCE_METADATA, optional: true }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: AbstractPaginationDataSource }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: AbstractPaginationDataSource, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [RXAP_PAGINATION_DATA_SOURCE_PAGINATOR]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [RXAP_DATA_SOURCE_METADATA]
}] }] });
function RxapAbstractPaginationDataSource(metadataOrId, className = 'AbstractPaginationDataSource', packageName = '@rxap/data-source/pagination') {
return function (target) {
RxapDataSource(metadataOrId, className, packageName)(target);
};
}
class PaginationDataSource extends AbstractPaginationDataSource {
constructor(dataSource, paginator = null, metadata = dataSource.metadata) {
super(paginator, metadata);
this.dataSource = dataSource;
}
refresh() {
this.dataSource.refresh();
}
_connect(viewer) {
this.assertPaginator();
return [
this.dataSource.connect(viewer).pipe(tap(data => this.updateTotalLength(data.length)), switchMap(data => {
if (!Array.isArray(data)) {
throw new RxapPaginationDataSourceError('The source data source must be a collection data source', '');
}
this.assertPaginator();
if (this.paginator && this.paginator.page) {
return this.paginator.page.pipe(startWith({
pageIndex: this.paginator.pageIndex,
pageSize: this.paginator.pageSize,
length: this.paginator.length,
}), map(page => this.applyPagination(data, page.pageSize, page.pageIndex)));
}
throw new Error('The paginator have not a defined page property!');
})),
() => this.dataSource.disconnect(viewer),
];
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: PaginationDataSource, deps: [{ token: RXAP_PAGINATION_DATA_SOURCE }, { token: RXAP_PAGINATION_DATA_SOURCE_PAGINATOR, optional: true }, { token: RXAP_DATA_SOURCE_METADATA, optional: true }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: PaginationDataSource }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.16", ngImport: i0, type: PaginationDataSource, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i1.BaseDataSource, decorators: [{
type: Inject,
args: [RXAP_PAGINATION_DATA_SOURCE]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [RXAP_PAGINATION_DATA_SOURCE_PAGINATOR]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [RXAP_DATA_SOURCE_METADATA]
}] }] });
function RxapPaginationDataSource(metadataOrId, className = 'PaginationDataSource', packageName = '@rxap/data-source/pagination') {
return function (target) {
RxapDataSource(metadataOrId, className, packageName)(target);
};
}
// region
// endregion
/**
* Generated bundle index. Do not edit.
*/
export { AbstractPaginationDataSource, PaginationDataSource, RXAP_PAGINATION_DATA_SOURCE, RXAP_PAGINATION_DATA_SOURCE_PAGINATOR, RxapAbstractPaginationDataSource, RxapPaginationDataSource, RxapPaginationDataSourceError };
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