| /** | |
| * utils/format.js | |
| * =============== | |
| * Formatting helpers for metric numbers, parameter counts, memory bytes, and percentages. | |
| */ | |
| /** | |
| * Formats a raw parameter count into human-readable engineering units (K, M, B). | |
| * @param {number|null|undefined} num - Raw integer parameter count | |
| * @returns {string} Formatted string, e.g. "590.6K", "66.36M", "0.50B" | |
| */ | |
| export function formatParamCount(num) { | |
| if (!num && num !== 0) return '—'; | |
| if (num >= 1e9) return (num / 1e9).toFixed(2) + 'B'; | |
| if (num >= 1e6) return (num / 1e6).toFixed(2) + 'M'; | |
| if (num >= 1e3) return (num / 1e3).toFixed(1) + 'K'; | |
| return String(num); | |
| } | |
| /** | |
| * Formats byte counts into storage units (KB, MB, GB). | |
| * @param {number|null|undefined} bytes - Raw byte integer | |
| * @returns {string} Formatted string, e.g. "148.6 MB", "2.36 MB" | |
| */ | |
| export function formatByteCount(bytes) { | |
| if (!bytes && bytes !== 0) return '—'; | |
| if (bytes >= 1e9) return (bytes / 1e9).toFixed(2) + ' GB'; | |
| if (bytes >= 1e6) return (bytes / 1e6).toFixed(1) + ' MB'; | |
| if (bytes >= 1e3) return (bytes / 1e3).toFixed(1) + ' KB'; | |
| return bytes + ' B'; | |
| } | |
| /** | |
| * Formats a compression ratio into a clean display string. | |
| * @param {number|null|undefined} ratio - Reduction factor (e.g. 2.27) | |
| * @returns {string} e.g. "2.27x (-56.0%)" | |
| */ | |
| export function formatSavingsRatio(ratio) { | |
| if (!ratio || ratio <= 1.0) return '1.0x (Baseline)'; | |
| const pct = ((1.0 - (1.0 / ratio)) * 100).toFixed(1); | |
| return `${ratio.toFixed(2)}x (-${pct}%)`; | |
| } | |
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