70 lines
1.7 KiB
TypeScript
70 lines
1.7 KiB
TypeScript
/**
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* Formats file size in bytes to human readable format
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* Supports Bytes, KB, MB, and GB
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*
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* @param bytes - File size in bytes (or unknown for safety)
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* @returns Formatted file size string
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*/
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export function formatFileSize(bytes: number | unknown): string {
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if (typeof bytes !== 'number') return 'Unknown';
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const sizes = ['Bytes', 'KB', 'MB', 'GB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
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}
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/**
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* Format parameter count to human-readable format (B, M, K)
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*
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* @param params - Parameter count
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* @returns Human-readable parameter count
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*/
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export function formatParameters(params: number | unknown): string {
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if (typeof params !== 'number') return 'Unknown';
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if (params >= 1e9) {
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return `${(params / 1e9).toFixed(2)}B`;
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}
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if (params >= 1e6) {
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return `${(params / 1e6).toFixed(2)}M`;
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}
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if (params >= 1e3) {
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return `${(params / 1e3).toFixed(2)}K`;
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}
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return params.toString();
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}
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/**
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* Format number with locale-specific thousands separators
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*
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* @param num - Number to format
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* @returns Human-readable number
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*/
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export function formatNumber(num: number | unknown): string {
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if (typeof num !== 'number') return 'Unknown';
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return num.toLocaleString();
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}
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/**
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* Format JSON string with pretty printing (2-space indentation)
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* Returns original string if parsing fails
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*
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* @param jsonString - JSON string to format
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* @returns Pretty-printed JSON string or original if invalid
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*/
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export function formatJsonPretty(jsonString: string): string {
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try {
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const parsed = JSON.parse(jsonString);
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return JSON.stringify(parsed, null, 2);
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} catch {
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return jsonString;
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}
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}
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