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https://github.com/umami-software/umami.git
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b7807ed466
Adds a CLI tool to generate realistic analytics data for local development and testing. Creates two demo websites with varying traffic patterns and realistic user behavior distributions.
85 lines
2.2 KiB
TypeScript
85 lines
2.2 KiB
TypeScript
import { v4 as uuidv4 } from 'uuid';
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export interface WeightedOption<T> {
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value: T;
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weight: number;
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}
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export function weightedRandom<T>(options: WeightedOption<T>[]): T {
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const totalWeight = options.reduce((sum, opt) => sum + opt.weight, 0);
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let random = Math.random() * totalWeight;
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for (const option of options) {
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random -= option.weight;
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if (random <= 0) {
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return option.value;
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}
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}
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return options[options.length - 1].value;
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}
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export function randomInt(min: number, max: number): number {
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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export function randomFloat(min: number, max: number): number {
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return Math.random() * (max - min) + min;
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}
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export function pickRandom<T>(array: T[]): T {
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return array[Math.floor(Math.random() * array.length)];
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}
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export function shuffleArray<T>(array: T[]): T[] {
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const result = [...array];
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for (let i = result.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[result[i], result[j]] = [result[j], result[i]];
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}
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return result;
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}
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export function uuid(): string {
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return uuidv4();
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}
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export function generateDatesBetween(startDate: Date, endDate: Date): Date[] {
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const dates: Date[] = [];
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const current = new Date(startDate);
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current.setHours(0, 0, 0, 0);
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while (current <= endDate) {
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dates.push(new Date(current));
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current.setDate(current.getDate() + 1);
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}
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return dates;
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}
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export function addHours(date: Date, hours: number): Date {
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return new Date(date.getTime() + hours * 60 * 60 * 1000);
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}
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export function addMinutes(date: Date, minutes: number): Date {
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return new Date(date.getTime() + minutes * 60 * 1000);
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}
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export function addSeconds(date: Date, seconds: number): Date {
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return new Date(date.getTime() + seconds * 1000);
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}
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export function subDays(date: Date, days: number): Date {
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return new Date(date.getTime() - days * 24 * 60 * 60 * 1000);
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}
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export function formatNumber(num: number): string {
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return num.toLocaleString();
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}
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export function progressBar(current: number, total: number, width = 30): string {
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const percent = current / total;
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const filled = Math.round(width * percent);
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const empty = width - filled;
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return `[${'█'.repeat(filled)}${'░'.repeat(empty)}] ${Math.round(percent * 100)}%`;
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}
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