@cognigy/rest-api-client
Version:
Cognigy REST-Client
37 lines • 1.33 kB
JavaScript
// based on https://github.com/lyroyce/sizeof/blob/master/lib/sizeof.js
/**
* Calculates the byte size of an object, aborts when the validation limit is hit
* @param {Object} object
* @param {number} limit The limit which the object cannot exceed
*/
export const validateObjectSize = (object, limit) => {
const objectList = [];
const stack = [object];
let bytes = 0;
while (stack.length) {
const value = stack.pop();
if (typeof value === 'boolean') {
bytes += 4;
}
else if (typeof value === 'string') {
bytes += value.length * 2;
}
else if (typeof value === 'number') {
bytes += 8;
}
else if (typeof value === 'object' && objectList.indexOf(value) === -1) {
objectList.push(value);
// if the object is not an array, add the sizes of the keys
if (Object.prototype.toString.call(value) != '[object Array]') {
for (const key in value)
bytes += 2 * key.length;
}
for (const key in value)
stack.push(value[key]);
}
if (limit && bytes > limit)
return { valid: false, bytes: null };
}
return { valid: true, bytes };
};
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