<template>     <div>        <lt-canvas ref="canvas" :width="750" :height="500"></lt-canvas>            </div> </template> <script> import LightChart from "light-chart"; export default {   components: {     ltCanvas: require("light-chart/canvas")   },   data() {     return {};   },   mounted() {     var data = [       {         year: "2001",         population: 41.8       },       {         year: "2002",         population: 25.8       },       {         year: "2003",         population: 31.7       },       {         year: "2004",         population: 46       },       {         year: "2005",         population: 28       }     ];
      let chart = new LightChart.Chart({         ltCanvas:this.$refs.canvas     });     chart.source(data);     chart.coord("polar");     chart.legend({       position: "right"     });     chart.axis(false);     chart       .interval()       .position("year*population")       .color("year")       .style({         lineWidth: 1,         stroke: "#fff"       });     chart.render();   } }; </script> <style scoped> </style>
 
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