在SyntaxError中使用轻量级图表时获取NextJS

Question

我试图在我的lightweight-charts项目中使用nextjs包，但是当我试图调用createChart函数时，我在nodejs控制台中得到了这个错误。

...\lightweight-charts\dist\lightweight-charts.esm.development.js:7
import { bindToDevicePixelRatio } from 'fancy-canvas/coordinate-space';
^^^^^^

SyntaxError: Cannot use import statement outside a module

构成部分：

import styled from "styled-components"
import { createChart } from 'lightweight-charts';

const Wrapper = styled.div``

const CoinPriceChart = () => {
  const chart = createChart(document.body, { width: 400, height: 300 });
  return <Wrapper></Wrapper>
}

export default CoinPriceChart

页面：

import styled from "styled-components"
import CoinPriceChart from "../../components/charts/CoinPriceChart"

const Wrapper = styled.div``

const CoinDetailPage = () => {
  return (
    <Wrapper>
      <CoinPriceChart />
    </Wrapper>
  )
}

export default CoinDetailPage

，有人知道我能做些什么吗？，谢谢！

Answer 1

这是因为您试图在SSR上下文中导入库。使用next.js Dynamic和ssr : false应该可以解决以下问题：

import styled from "styled-components"
import dynamic from "next/dynamic";
const CoinPriceChart = dynamic(() => import("../../components/charts/CoinPriceChart"), {
  ssr: false
});

const Wrapper = styled.div``

const CoinDetailPage = () => {
  return (
    <Wrapper>
      <CoinPriceChart />
    </Wrapper>
  )
}

export default CoinDetailPage