(headers: Record<string, string | string[]>, key: string)
| 50 | }; |
| 51 | |
| 52 | function getSingleHeaderVal(headers: Record<string, string | string[]>, key: string): string { |
| 53 | const val = headers[key]; |
| 54 | if (val == null) { |
| 55 | return null; |
| 56 | } |
| 57 | if (Array.isArray(val)) { |
| 58 | return val[0]; |
| 59 | } |
| 60 | return val; |
| 61 | } |
| 62 | |
| 63 | function cleanMimeType(mimeType: string): string { |
| 64 | if (mimeType == null) { |