echarts install 源码
echarts install 代码
文件路径：/src/component/axisPointer/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 { EChartsExtensionInstallRegisters } from '../../extension';
import AxisView from '../axis/AxisView';
import CartesianAxisPointer from './CartesianAxisPointer';
import AxisPointerModel from './AxisPointerModel';
import AxisPointerView from './AxisPointerView';
import { isArray } from 'zrender/src/core/util';
import { collect } from './modelHelper';
import axisTrigger from './axisTrigger';
export function install(registers: EChartsExtensionInstallRegisters) {
// CartesianAxisPointer is not supposed to be required here. But consider
// echarts.simple.js and online build tooltip, which only require gridSimple,
// CartesianAxisPointer should be able to required somewhere.
AxisView.registerAxisPointerClass('CartesianAxisPointer', CartesianAxisPointer);
registers.registerComponentModel(AxisPointerModel);
registers.registerComponentView(AxisPointerView);
registers.registerPreprocessor(function (option) {
// Always has a global axisPointerModel for default setting.
if (option) {
(!option.axisPointer || (option.axisPointer as []).length === 0)
&& (option.axisPointer = {});
const link = (option.axisPointer as any).link;
// Normalize to array to avoid object mergin. But if link
// is not set, remain null/undefined, otherwise it will
// override existent link setting.
if (link && !isArray(link)) {
(option.axisPointer as any).link = [link];
}
}
});
// This process should proformed after coordinate systems created
// and series data processed. So put it on statistic processing stage.
registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, function (ecModel, api) {
// Build axisPointerModel, mergin tooltip.axisPointer model for each axis.
// allAxesInfo should be updated when setOption performed.
(ecModel.getComponent('axisPointer') as AxisPointerModel).coordSysAxesInfo =
collect(ecModel, api);
});
// Broadcast to all views.
registers.registerAction({
type: 'updateAxisPointer',
event: 'updateAxisPointer',
update: ':updateAxisPointer'
}, axisTrigger);
}
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echarts CartesianAxisPointer 源码
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