devsite/node_modules/is-json/index.js
2024-07-07 18:49:38 -07:00

49 lines
929 B
JavaScript

'use strict'
module.exports = isJSON;
isJSON.strict = strict;
function isJSON (str, pass_object) {
if (pass_object && isObject(str)) return true;
if (!isString(str)) return false;
str = str.replace(/\s/g, '').replace(/\n|\r/, '');
if (/^\{(.*?)\}$/.test(str))
return /"(.*?)":(.*?)/g.test(str);
if (/^\[(.*?)\]$/.test(str)) {
return str.replace(/^\[/, '')
.replace(/\]$/, '')
.replace(/},{/g, '}\n{')
.split(/\n/)
.map(function (s) { return isJSON(s); })
.reduce(function (prev, curr) { return !!curr; });
}
return false;
}
function strict (str) {
if (isObject(str)) {
return true;
}
try {
return JSON.parse(str) && true;
} catch (ex) {
return false;
}
}
function isString (x) {
return Object.prototype.toString.call(x) === '[object String]';
}
function isObject (obj) {
return Object.prototype.toString.call(obj) === '[object Object]';
}