import 'zone.js';
import 'reflect-metadata';
import { Component, enableProdMode, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ViserModule } from 'viser-ng';
const DataSet = require('@antv/data-set');

const sourceData = [
  { name: 'London', 'Jan.': 18.9, 'Feb.': 28.8, 'Mar.': 39.3, 'Apr.': 81.4, 'May': 47, 'Jun.': 20.3, 'Jul.': 24, 'Aug.': 35.6 },
  { name: 'Berlin', 'Jan.': 12.4, 'Feb.': 23.2, 'Mar.': 34.5, 'Apr.': 99.7, 'May': 52.6, 'Jun.': 35.5, 'Jul.': 37.4, 'Aug.': 42.4 },
];

const dv = new DataSet.View().source(sourceData);
dv.transform({
  type: 'fold',
  fields: ['Jan.', 'Feb.', 'Mar.', 'Apr.', 'May', 'Jun.', 'Jul.', 'Aug.'],
  key: '月份',
  value: '月均降雨量',
});
const data = dv.rows;

@Component({
  selector: '#mount',
  template: `
  <div>
    <v-chart [forceFit]="forceFit" [height]="height" [data]="data">
      <v-tooltip></v-tooltip>
      <v-axis></v-axis>
      <v-legend></v-legend>
      <v-stack-bar position="月份*月均降雨量" color="name"></v-stack-bar>
    </v-chart>
  </div>
  `
})
class AppComponent {
  forceFit: boolean = true;
  height: number = 400;
  data = data;
}

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    ViserModule
  ],
  providers: [],
  bootstrap: [
    AppComponent
  ]
})
export default class AppModule { }