Function stringifyQuery

packages/webpack-plugin/lib/utils/stringify-query.js:9–40

(obj, useJSON)

const JSON5 = require('json5')

function stringifyQuery (obj, useJSON) {
  if (useJSON) return `?${JSON5.stringify(obj)}`

  const res = obj
    ? Object.keys(obj).sort().map(key => {
      const val = obj[key]

      if (val === undefined) {
        return val
      }

      if (val === true) {
        return key
      }

      if (Array.isArray(val)) {
        const key2 = `${key}[]`
        const result = []
        val.slice().forEach(val2 => {
          if (val2 === undefined) {
            return
          }
          result.push(`${key2}=${encodeURIComponent(val2)}`)
        })
        return result.join('&')
      }

      return `${key}=${encodeURIComponent(val)}`
    }).filter(x => x).join('&')
    : null
  return res ? `?${res}` : ''
}

module.exports = stringifyQuery