Created
June 29, 2020 06:32
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// safely handles circular references | |
JSON.safeStringify = (obj, indent = 2) => { | |
let cache = []; | |
const retVal = JSON.stringify( | |
obj, | |
(key, value) => | |
typeof value === "object" && value !== null | |
? cache.includes(value) | |
? undefined // Duplicate reference found, discard key | |
: cache.push(value) && value // Store value in our collection | |
: value, | |
indent | |
); | |
cache = null; | |
return retVal; | |
}; | |
// Example: | |
console.log('options', JSON.safeStringify(options)) |
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