Spaces:
Sleeping
Sleeping
| /** CSV download helper */ | |
| export function downloadBlob(blob: Blob, filename: string) { | |
| const url = window.URL.createObjectURL(blob); | |
| const a = document.createElement('a'); | |
| a.href = url; | |
| a.download = filename; | |
| document.body.appendChild(a); | |
| a.click(); | |
| document.body.removeChild(a); | |
| window.URL.revokeObjectURL(url); | |
| } | |
| /** Parse a CSV string into rows */ | |
| export function parseCSVPreview(csvText: string, maxRows = 5): string[][] { | |
| const lines = csvText.split('\n').slice(0, maxRows); | |
| return lines.map((line) => line.split(',').map((cell) => cell.trim())); | |
| } | |
| /** File size formatter */ | |
| export function formatFileSize(bytes: number): string { | |
| if (bytes < 1024) return `${bytes} B`; | |
| if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`; | |
| return `${(bytes / (1024 * 1024)).toFixed(1)} MB`; | |
| } | |