R2m1liA
75d4d40d39
All checks were successful
deploy to server / build-and-deploy (push) Successful in 4m18s
- 若无扩展名则返回空字符串
22 lines
718 B
TypeScript
22 lines
718 B
TypeScript
export function formatFileSize(sizeInBytes: number): string {
|
|
if (sizeInBytes < 1024) {
|
|
return `${sizeInBytes.toFixed(2)} B`;
|
|
} else if (sizeInBytes < 1024 * 1024) {
|
|
const sizeInKB = sizeInBytes / 1024;
|
|
return `${sizeInKB.toFixed(2)} KB`;
|
|
} else {
|
|
const sizeInMB = sizeInBytes / 1024 / 1024;
|
|
return `${sizeInMB.toFixed(2)} MB`;
|
|
}
|
|
}
|
|
|
|
export function getFileExtension(filename: string): string {
|
|
const lastDotIndex = filename.lastIndexOf('.');
|
|
if (lastDotIndex === -1) return ''; // 找不到拓展名
|
|
return filename.slice(lastDotIndex + 1);
|
|
}
|
|
|
|
export function formatFileExtension(ext: string): string {
|
|
return ext.startsWith('.') ? ext.slice(1).toUpperCase() : ext.toUpperCase();
|
|
}
|