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const babel = require('rollup-plugin-babel')const { terser } = require('rollup-plugin-terser')
module.exports = (config) => {  const { input, fileName, name } = config  return {    input: {      input,      external: [        'dayjs'      ],      plugins: [        babel({          exclude: 'node_modules/**'        }),        terser()      ]    },    output: {      file: fileName,      format: 'umd',      name: name || 'dayjs',      globals: {        dayjs: 'dayjs'      },      compact: true    }  }}