reporter.ts

import * as express from 'express'
const path = require('path')
const fs = require('fs')
let jsreport

export async function initializeReporter(app, server) {
  let reportingApp = express()
  let config = {
    express: { app: reportingApp, server: server },
    appPath: '/report',
    'static-resources': {
      directory: process.cwd() + '/static_resources'
    },
    wkhtmltopdf: {
      'allowLocalFilesAccess': true
    },
    rootDirectory: process.cwd(),
    blobStorage: 'inMemory',
    extensions: ['jsrender', 'debug', 'express', 'phantom-pdf', 'wkhtmltopdf', 'static-resources'],
    tasks: {
      allowedModules: '*',
      numberOfWorkers: 2,
      strategy: 'dedicated-process',
      templateCache: {
        max: 100,
        enabled: true
      }
    },
    loadConfig: false,
    autoTempCleanup: true,
    extensionsLocationCache: true
  }

  app.use('/report', reportingApp)
  jsreport = require('jsreport-core')(config)
  await jsreport.init()
  return jsreport
}

export async function renderReport(report, reportType, reportExt) {
  let reportPath = path.join(process.cwd(), 'reports/'.concat(reportExt), reportType.concat('.', reportExt))
  let writer = fs.createWriteStream(reportPath)
  let reader = await jsreport.render(report)
  reader.stream.pipe(writer)
  return reader
}