twitst4tz

twitter statistics web application
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stringify.js (907B)


      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 }