app.use(async ctx=>{
    try {
        const sourcemapDir = '../Vue-template/dist/js'
        let fileList = await fs.readdir(path.join(__dirname,sourcemapDir))
        let reg = new RegExp(ctx.request.body.name)
        let targetPath = fileList.filter(file=>reg.test(file)).filter(file=>/\.map$/.test(file))[0]
        let sourcemap = JSON.parse(await fs.readFile(path.join(sourcemapDir,targetPath),'utf-8'))
        let smc = await new sourceMap.SourceMapConsumer(sourcemap); // 返回一个promise对象
         let final =  smc.originalPositionFor({
            line:Number(ctx.request.body.line), // 压缩后的行号
            column:Number(ctx.request.body.column)  // 压缩后的列号
        });
        console.log(final)
        console.log(ctx.request.body)
        ctx.body = 'error captured'
    } catch (e) {
        console.log(e)
    }
})