internet-programming/lab3/node_modules/json-buffer/index.js

59 lines
1.5 KiB
JavaScript

//TODO: handle reviver/dehydrate function like normal
//and handle indentation, like normal.
//if anyone needs this... please send pull request.
exports.stringify = function stringify (o) {
if('undefined' == typeof o) return o
if(o && Buffer.isBuffer(o))
return JSON.stringify(':base64:' + o.toString('base64'))
if(o && o.toJSON)
o = o.toJSON()
if(o && 'object' === typeof o) {
var s = ''
var array = Array.isArray(o)
s = array ? '[' : '{'
var first = true
for(var k in o) {
var ignore = 'function' == typeof o[k] || (!array && 'undefined' === typeof o[k])
if(Object.hasOwnProperty.call(o, k) && !ignore) {
if(!first)
s += ','
first = false
if (array) {
if(o[k] == undefined)
s += 'null'
else
s += stringify(o[k])
} else if (o[k] !== void(0)) {
s += stringify(k) + ':' + stringify(o[k])
}
}
}
s += array ? ']' : '}'
return s
} else if ('string' === typeof o) {
return JSON.stringify(/^:/.test(o) ? ':' + o : o)
} else if ('undefined' === typeof o) {
return 'null';
} else
return JSON.stringify(o)
}
exports.parse = function (s) {
return JSON.parse(s, function (key, value) {
if('string' === typeof value) {
if(/^:base64:/.test(value))
return Buffer.from(value.substring(8), 'base64')
else
return /^:/.test(value) ? value.substring(1) : value
}
return value
})
}