28 lines
875 B
TypeScript
28 lines
875 B
TypeScript
/**
|
|
* 读取错误响应体文本（最多 4096 字符），用于拼入错误信息。
|
|
* 若读取失败则返回兜底字符串。
|
|
*/
|
|
export async function readErrorBody(res: Response): Promise<string> {
|
|
try {
|
|
const text = await res.text();
|
|
return text.slice(0, 4096);
|
|
} catch {
|
|
return "(unable to read response body)";
|
|
}
|
|
}
|
|
|
|
/** 将 FormData 内容转为可读摘要字符串，用于拼入错误信息。 */
|
|
export function summarizeFormData(form: FormData): string {
|
|
const parts: string[] = [];
|
|
for (const [key, value] of form.entries()) {
|
|
if (typeof value === "string") {
|
|
parts.push(`${key}: ${value.slice(0, 2048)}`);
|
|
} else {
|
|
parts.push(
|
|
`${key}: <File name="${value.name.slice(0, 256)}" size=${value.size} type="${value.type}">`,
|
|
);
|
|
}
|
|
}
|
|
return parts.length > 0 ? parts.join("\n") : "(empty body)";
|
|
}
|