safe jsonStringify

stringify.js

/**
 * jsonStringify
 * Output any data structure to a string, without circular dep issues
 * @param {*} data data to stringify
 * @param {Number} space - indentation level
 * @return {string}
 */
export function jsonStringify (data, space = 2) {
  const getCircularReplacer = () => {
    const seen = new WeakSet()
    return (key, value) => {
      if (typeof value === 'object' && value !== null) {
        if (seen.has(value)) {
          return
        }
        seen.add(value)
      }
      return value
    }
  }

  return JSON.stringify(data, getCircularReplacer(), space)
}