safe-json-value/build/src/to_json.js

⛑️ JSON serialization should never fail

import normalizeException from"normalize-exception";

import{isObject}from"./is_object.js";










export const callToJSON=(value,changes,path)=>{
if(!hasToJSON(value)){
return value
}

try{
const toJSONResult=triggerToJSON(value);

changes.push({
path,
oldValue:value,
newValue:toJSONResult,
reason:"unresolvedToJSON"
});
return toJSONResult
}catch(error){

changes.push({
path,
oldValue:value,
newValue:undefined,
reason:"unsafeToJSON",
error:normalizeException(error)
})
}
};

const hasToJSON=(value)=>
isObject(value)&&
"toJSON"in value&&
typeof value.toJSON==="function"&&
!TO_JSON_RECURSION.has(value);








const triggerToJSON=(object)=>{
TO_JSON_RECURSION.add(object);

try{
return object.toJSON()
}finally{
TO_JSON_RECURSION.delete(object)
}
};



const TO_JSON_RECURSION=new WeakSet([]);