Javascript find property path in object with a value.

findPropertyPathWithValue.js

/**
 * Find property path in the object with a value
 * @param {object} obj
 * @param {any} value
 * @return {string}
 */
function findPropertyPathWithValue(obj, value) {
    for (const key in obj) {
        if (JSON.stringify(value) === JSON.stringify(obj[key])) {
            return key;
        } else if (typeof obj[key] === 'object') {
            const pathname = findPropertyPathWithValue(obj[key], value);
            if (pathname) {
                return key + '.' + pathname;
            }
        }
    }
}

Example

const object = {  
  user: {      
    $inQuery: { 
      className: "UserDetail", 
      where: { firstname: "{{value}}" } 
    },    
  },  
};

findPropertyPathWithValue(object,  "{{value}}"); // => user.$inQuery.where.firstname