is-json-value/build/src/prefix.js

Check if a value is valid JSON

export const getPrefix=(path)=>
path.length===0?"It":`Property "${serializePath(path)}"`;

const serializePath=(path)=>path.map(serializeKey).join("");

const serializeKey=(key,index)=>{
const type=typeof key;
return type==="number"||type==="symbol"?
`[${String(key)}]`:
serializeStringKey(key,index)
};

const serializeStringKey=(key,index)=>{
if(key===""){
return"[\"\"]"
}

if(!JS_VAR_NAME_REGEXP.test(key)){
return`[${JSON.stringify(key)}]`
}

return index===0?key:`.${key}`
};


const JS_VAR_NAME_REGEXP=/^[\p{ID_Start}$_][\p{ID_Continue}$_]*$/u;