src/chart/line/install.ts

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

import LineSeries from './LineSeries';
import LineView from './LineView';

// In case developer forget to include grid component

import layoutPoints from '../../layout/points';
import dataSample from '../../processor/dataSample';

import { EChartsExtensionInstallRegisters } from '../../extension';

export function install(registers: EChartsExtensionInstallRegisters) {

    registers.registerChartView(LineView);
    registers.registerSeriesModel(LineSeries);

    registers.registerLayout(layoutPoints('line', true));

    registers.registerVisual({
        seriesType: 'line',
        reset: function (seriesModel: LineSeries) {
            const data = seriesModel.getData();
            // Visual coding for legend
            const lineStyle = seriesModel.getModel('lineStyle').getLineStyle();
            if (lineStyle && !lineStyle.stroke) {
                // Fill in visual should be palette color if
                // has color callback
                lineStyle.stroke = data.getVisual('style').fill;
            }
            data.setVisual('legendLineStyle', lineStyle);
        }
    });

    // Down sample after filter
    registers.registerProcessor(
        registers.PRIORITY.PROCESSOR.STATISTIC,
        dataSample('line')
    );
}