MacPro
75 lines
1.8 KiB
TypeScript
75 lines
1.8 KiB
TypeScript
import { ClassValue, clsx } from "clsx";
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import { twMerge } from "tailwind-merge";
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import { SetLog } from "@prisma/client";
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/**
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* Merge classnames using clsx and tailwind-merge
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*/
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export function cn(...inputs: ClassValue[]): string {
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return twMerge(clsx(inputs));
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}
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/**
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* Format a date to a readable string (e.g., "Feb 16, 2026")
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*/
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export function formatDate(date: Date | string): string {
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const dateObj = typeof date === "string" ? new Date(date) : date;
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return dateObj.toLocaleDateString("en-US", {
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year: "numeric",
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month: "short",
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day: "numeric",
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});
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}
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/**
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* Format weight with unit (e.g., "150 lbs")
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*/
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export function formatWeight(weight: number, unit: string): string {
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return `${weight} ${unit}`;
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}
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/**
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* Calculate total volume (sets * reps * weight)
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*/
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export function calculateVolume(sets: SetLog[]): number {
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return sets.reduce((total, set) => {
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const reps = set.reps || 0;
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const weight = set.weight || 0;
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return total + reps * weight;
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}, 0);
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}
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/**
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* Calculate estimated 1-rep max using Epley formula
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* 1RM = weight * (1 + reps / 30)
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*/
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export function calculateE1RM(weight: number, reps: number): number {
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if (reps === 1) return weight;
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return Math.round(weight * (1 + reps / 30) * 100) / 100;
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}
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/**
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* Get the start and end of a week for a given date
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*/
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export function getWeekRange(date: Date): { start: Date; end: Date } {
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const d = new Date(date);
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const day = d.getDay();
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const diff = d.getDate() - day + (day === 0 ? -6 : 1); // Adjust to Monday
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const start = new Date(d.setDate(diff));
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start.setHours(0, 0, 0, 0);
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const end = new Date(start);
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end.setDate(end.getDate() + 6);
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end.setHours(23, 59, 59, 999);
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return { start, end };
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}
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/**
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* Generate a random UUID
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*/
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export function generateId(): string {
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return crypto.randomUUID();
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}
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