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function isObject(value) {
return value === Object(value);
}
function isArray(value) {
return Array.isArray(value);
}
function isFile(value) {
return value instanceof File;
}
function makeArrayKey(key) {
return key;
}
function objectToFormData(obj, fd, pre) {
fd = fd || new FormData();
Object.keys(obj).forEach(function(prop) {
var key = pre ? pre + '[' + prop + ']' : prop;
if (isObject(obj[prop]) && !isArray(obj[prop]) && !isFile(obj[prop])) {
objectToFormData(obj[prop], fd, key);
} else if (isArray(obj[prop])) {
obj[prop].forEach(function(value) {
var arrayKey = makeArrayKey(key);
if (isObject(value) && !isFile(value)) {
objectToFormData(value, fd, arrayKey);
} else {
fd.append(arrayKey, value);
}
});
} else {
if (obj[prop] != null) fd.append(key, obj[prop]);
}
});
return fd;
}
export default objectToFormData;