node_modules/json-stringify-safe/stringify.js

   1 exports = module.exports = stringify
   2 exports.getSerialize = serializer
   3
   4 function stringify(obj, replacer, spaces, cycleReplacer) {
   5   return JSON.stringify(obj, serializer(replacer, cycleReplacer), spaces)
   6 }
   7
   8 function serializer(replacer, cycleReplacer) {
   9   var stack = [], keys = []
  10
  11   if (cycleReplacer == null) cycleReplacer = function(key, value) {
  12     if (stack[0] === value) return "[Circular ~]"
  13     return "[Circular ~." + keys.slice(0, stack.indexOf(value)).join(".") + "]"
  14   }
  15
  16   return function(key, value) {
  17     if (stack.length > 0) {
  18       var thisPos = stack.indexOf(this)
  19       ~thisPos ? stack.splice(thisPos + 1) : stack.push(this)
  20       ~thisPos ? keys.splice(thisPos, Infinity, key) : keys.push(key)
  21       if (~stack.indexOf(value)) value = cycleReplacer.call(this, key, value)
  22     }
  23     else stack.push(value)
  24
  25     return replacer == null ? value : replacer.call(this, key, value)
  26   }
  27 }