DataLoader

Type class

Data Loader is responsible for loading and parsing external data.

There is just one instance of DataLoader per system. Unless you have a speicific reason, do not instantiate additional instances.

The global instance of Data Loader is accessible via:

am4core.dataLoader;

am4core.dataLoader;

A loading of specific data source is done via DataSource.

Please refer to DataSource for information how to use it.

IDataLoaderAdapters for a list of available Adapters

Sources

DataLoader can be used (imported) via one of the following packages.

/**
 * --------------------------------------------------------
 * Import from: "core.ts"
 * Use like: am4core.DataLoader
 * --------------------------------------------------------
 */
import * as am4core from "@amcharts/amcharts4/core";

/**
 * --------------------------------------------------------
 * Include via: <script src="core.js"></script>
 * Access items like: am4.DataLoader
 * --------------------------------------------------------
 */

Inheritance

DataLoader does not extend any other symbol.

DataLoader is not extended by any other symbol.

Properties

adapter #	Type Adapter < DataLoader, IDataLoaderAdapters > Default new Adapter<DataLoader, IDataLoaderAdapters>(this) Adapter.

Methods

getParserByData( data: string, contentType?: string ) #	Returns DataParser Tries to determine a parser out of content type and/or actual data.
getParserByType( contentType: string ) #	Returns DataParser Instantiates a DataParser object based on the data type. Built-in parser types are as follows: "csv" or "text/csv" "json" or "application/json"
load( source: DataSource | DataSource[] ) #	Returns void Loads a supplied DataSource or an array of data sources, then calls their respective parse methods.

Events

DataLoader does not have any events.

Adapters

#getParserByData	Param { data: string,   parser: DataParser,   type: string } Applied after the Data Loader determines suitable parser type based on its data examination.
#getParserByType	Param { parser: DataParser,   type: string } Applied after the Data Loader determines suitable parser type by data source's URL extension.