export function buildFormData<T = unknown>(data: T): FormData {
const formData = new FormData();
function appendData(key: string, value: any) {
if (value instanceof Blob) {
formData.append(key, value);
return;
}
if (value instanceof Date) {
formData.append(key, value.toISOString());
return;
}
if (typeof value === "number" || typeof value === "boolean") {
formData.append(key, String(value));
return;
}
if (typeof value === "string") {
formData.append(key, value);
return;
}
if (typeof value === "object") {
formData.append(
key,
new Blob([JSON.stringify(value)], { type: "application/json" }),
);
return;
}
}
if (data) {
Object.entries(data).forEach(([key, value]) => {
if (value === undefined || value === null) return;
if (Array.isArray(value)) {
for (const valueItem of value) {
if (valueItem === undefined || valueItem === null) continue;
appendData(key, valueItem);
}
} else {
appendData(key, value);
}
});
}
return formData;
}
