old_contents: import resolve from 'rollup-plugin-node-resolve'
  import commonjs from 'rollup-plugin-commonjs'
  import babel from 'rollup-plugin-babel'
  import { uglify } from 'rollup-plugin-uglify'
  import vue from 'rollup-plugin-vue'
  import packageInfo from './package.json'
  const pluginCSS = require('rollup-plugin-css-only')
  
  
  // const isDev = process.env.NODE_ENV === 'development'
  
  
  function baseConfig() {
    return {
      output: {
        format: 'umd',
        sourcemap: true,
        banner: `/*!\n * Name: ${packageInfo.name}\n * Version: ${packageInfo.version}\n * Author: ${packageInfo.author}\n */`,
      },
      plugins: [
        resolve({
          jsnext: true,
          main: true,
          browser: true,
        }),
        commonjs({
          extensions: [
            '.js',
            '.jsx',
            '.json',
            // '.vue'
          ],
        }),
      ],
    }
  }
  
  let config = baseConfig()
  config.input = 'src/index.js'
  config.output.file = 'dist/vue-upload-component.js'
  config.output.name = 'VueUploadComponent'
  config.plugins.push(
    vue({
      css: true,
    }),
    babel()
  )
  
  let configMin = baseConfig()
  configMin.input = 'src/index.js'
  configMin.output.file = 'dist/vue-upload-component.min.js'
  configMin.output.name = 'VueUploadComponent'
  configMin.plugins.push(
    vue({
      sourceMap: true,
      style: {
        trim: true,
      },
      template: {
        isProduction: true,
        optimizeSSR: true,
      },
      css: true,
    }),
    babel(),
    uglify({
      output: {
        comments: /^!/,
      }
    })
  )
  
  
  let configPart = baseConfig()
  configPart.input = 'src/index.js'
  configPart.output.file = 'dist/vue-upload-component.part.js'
  configPart.output.name = 'VueUploadComponent'
  configPart.plugins.push(
    pluginCSS({
      include: '**/*.css?*',
      output: 'dist/vue-upload-component.part.css',
    }),
    vue({
      sourceMap: true,
      style: {
        trim: true,
      },
      template: {
        isProduction: true,
        optimizeSSR: true,
      },
      css: false,
    }),
    babel()
  )
  
  
  module.exports = [
    config,
    configMin,
    configPart,
  ]
  
new_contents: import resolve from 'rollup-plugin-node-resolve'
  import commonjs from 'rollup-plugin-commonjs'
  import babel from 'rollup-plugin-babel'
  import { uglify } from 'rollup-plugin-uglify'
  import vue from 'rollup-plugin-vue'
  import packageInfo from './package.json'
  const pluginCSS = require('rollup-plugin-css-only')
  
  
  // const isDev = process.env.NODE_ENV === 'development'
  
  
  function baseConfig() {
    return {
      output: {
        format: 'umd',
        sourceMap: true,
        banner: `/*!\n * Name: ${packageInfo.name}\n * Version: ${packageInfo.version}\n * Author: ${packageInfo.author}\n */`,
      },
      plugins: [
        resolve({
          jsnext: true,
          main: true,
          browser: true,
        }),
        commonjs({
          extensions: [
            '.js',
            '.jsx',
            '.json',
            // '.vue'
          ],
        }),
      ],
    }
  }
  
  let config = baseConfig()
  config.input = 'src/index.js'
  config.output.file = 'dist/vue-upload-component.js'
  config.output.name = 'VueUploadComponent'
  config.plugins.push(
    vue({
      css: true,
    }),
    babel()
  )
  
  let configMin = baseConfig()
  configMin.input = 'src/index.js'
  configMin.output.file = 'dist/vue-upload-component.min.js'
  configMin.output.name = 'VueUploadComponent'
  configMin.plugins.push(
    vue({
      sourceMap: true,
      style: {
        trim: true,
      },
      template: {
        isProduction: true,
        optimizeSSR: true,
      },
      css: true,
    }),
    babel(),
    uglify({
      output: {
        comments: /^!/,
      }
    })
  )
  
  
  let configPart = baseConfig()
  configPart.input = 'src/index.js'
  configPart.output.file = 'dist/vue-upload-component.part.js'
  configPart.output.name = 'VueUploadComponent'
  configPart.plugins.push(
    pluginCSS({
      include: '**/*.css?*',
      output: 'dist/vue-upload-component.part.css',
    }),
    vue({
      sourceMap: true,
      style: {
        trim: true,
      },
      template: {
        isProduction: true,
        optimizeSSR: true,
      },
      css: false,
    }),
    babel()
  )
  
  
  module.exports = [
    config,
    configMin,
    configPart,
  ]
  
subject: fix config sourcemap -> sourceMap