source: trip-planner-front/node_modules/json-stringify-safe/stringify.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 907 bytes
Line 
1exports = module.exports = stringify
2exports.getSerialize = serializer
3
4function stringify(obj, replacer, spaces, cycleReplacer) {
5 return JSON.stringify(obj, serializer(replacer, cycleReplacer), spaces)
6}
7
8function 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}
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