| 1 | import { Buffer } from "buffer"; |
| 2 | import { type ClassValue, clsx } from "clsx"; |
| 3 | import { customAlphabet } from "nanoid"; |
| 4 | import { twMerge } from "tailwind-merge"; |
| 5 | |
| 6 | export function cn(...inputs: ClassValue[]) { |
| 7 | return twMerge(clsx(inputs)); |
| 8 | } |
| 9 | |
| 10 | /** |
| 11 | * Creates a consistent date key string in YYYY-MM-DD format |
| 12 | * This ensures timezone-independent date operations |
| 13 | * @param date The date to create a key for |
| 14 | * @returns A string in YYYY-MM-DD format |
| 15 | */ |
| 16 | export function getConsistentDateKey(date: Date): string { |
| 17 | return `${date.getFullYear()}-${(date.getMonth() + 1).toString().padStart(2, "0")}-${date.getDate().toString().padStart(2, "0")}`; |
| 18 | } |
| 19 | |
| 20 | export async function sleep(ms: number) { |
| 21 | return new Promise((resolve) => setTimeout(resolve, ms)); |
| 22 | } |
| 23 | |
| 24 | export function safeJsonParse( |
| 25 | jsonString: string, |
| 26 | ): Record<string, unknown> | null { |
| 27 | try { |
| 28 | return JSON.parse(jsonString) as Record<string, unknown>; |
| 29 | } catch (error) { |
| 30 | console.error("Failed to parse JSON:", error); |
| 31 | return null; // or you can return a default value |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | export function haversineDistance( |
| 36 | lat1: number, |
| 37 | lon1: number, |
| 38 | lat2: number, |
| 39 | lon2: number, |
| 40 | ): number { |
| 41 | const toRadians = (degrees: number) => degrees * (Math.PI / 180); |
| 42 | |
| 43 | const R = 6371; // Radius of the Earth in kilometers |
| 44 | const dLat = toRadians(lat2 - lat1); |
| 45 | const dLon = toRadians(lon2 - lon1); |
| 46 | |
| 47 | const a = |
| 48 | Math.sin(dLat / 2) * Math.sin(dLat / 2) + |
| 49 | Math.cos(toRadians(lat1)) * |
| 50 | Math.cos(toRadians(lat2)) * |
| 51 | Math.sin(dLon / 2) * |
| 52 | Math.sin(dLon / 2); |
| 53 | |
| 54 | const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); |
| 55 | |
| 56 | return R * c; // Distance in kilometers |
| 57 | } |
| 58 | |
| 59 | export function extractDomain(url: string): string { |
| 60 | try { |
| 61 | const hostname = new URL(url).hostname; |
| 62 | return hostname; |
| 63 | } catch (error) { |
| 64 | console.error("Invalid URL:", error); |
| 65 | return url; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | export const formatPrice = (price: number) => { |
| 70 | return price.toLocaleString("en-US", { |
| 71 | style: "currency", |
| 72 | currency: "USD", |
| 73 | currencyDisplay: "symbol", |
| 74 | }); |
| 75 | }; |
| 76 | |
| 77 | export function capitalizeFirstLetter(text: string): string { |
| 78 | if (!text) return text; |
| 79 | return text.charAt(0).toUpperCase() + text.slice(1); |
| 80 | } |
| 81 | |
| 82 | export function formatNumber(num: number): string { |
| 83 | if (num < 1000) return num.toString(); |
| 84 | |
| 85 | const units = ["k", "M", "B", "T"]; |
| 86 | const unitIndex = Math.floor(Math.log10(num) / 3) - 1; |
| 87 | const formattedNum = (num / 1000 ** (unitIndex + 1)).toFixed(1); |
| 88 | |
| 89 | return `${formattedNum}${units[unitIndex]}`; |
| 90 | } |
| 91 | |
| 92 | export const formatMarketCap = (value: number) => { |
| 93 | if (value >= 1_000_000) { |
| 94 | return `${(value / 1_000_000).toFixed(2)} T`; |
| 95 | } else if (value >= 1_000) { |
| 96 | return `${(value / 1_000).toFixed(2)} B`; |
| 97 | } else { |
| 98 | return `${value.toFixed(2)} M`; |
| 99 | } |
| 100 | }; |
| 101 | |
| 102 | export function getInitials(name: string): string { |
| 103 | // Split the name by spaces to get individual words |
| 104 | const words = name.split(" "); |
| 105 | // Map over the words array, extracting the first letter of each word and converting it to uppercase |
| 106 | const initials = words.map((word) => word.charAt(0).toUpperCase()); |
| 107 | // Join the initials into a single string |
| 108 | return initials.join(""); |
| 109 | } |
| 110 | |
| 111 | export async function convertImagesToBase64( |
| 112 | images: globalThis.File | globalThis.File[], |
| 113 | ) { |
| 114 | images = Array.isArray(images) ? images : [images]; |
| 115 | |
| 116 | const base64Images = await Promise.all( |
| 117 | images.map(async (image) => { |
| 118 | const arrayBuffer = await image.arrayBuffer(); |
| 119 | const base64String = Buffer.from(arrayBuffer).toString("base64"); |
| 120 | const mimeType = image.type; // Get MIME type from the file object |
| 121 | return `data:${mimeType};base64,${base64String}`; |
| 122 | }), |
| 123 | ); |
| 124 | return base64Images; |
| 125 | } |
| 126 | |
| 127 | export function formatAnswer(answer: string, isLoading: boolean): string { |
| 128 | let formattedAnswer = answer; |
| 129 | |
| 130 | // Remove leading ```markdown if present |
| 131 | if (formattedAnswer.startsWith("```markdown")) { |
| 132 | formattedAnswer = formattedAnswer.split("```markdown")[1] ?? ""; |
| 133 | } |
| 134 | |
| 135 | // Remove trailing ``` only if not loading |
| 136 | if (!isLoading && formattedAnswer.endsWith("```")) { |
| 137 | formattedAnswer = formattedAnswer.slice(0, -3); |
| 138 | } |
| 139 | |
| 140 | return formattedAnswer; |
| 141 | } |
| 142 | |
| 143 | export function formatCamelCase(str: string): string { |
| 144 | // Add space before capital letters and capitalize the first letter |
| 145 | const formatted = str |
| 146 | // Add space before capital letters |
| 147 | .replace(/([A-Z])/g, " $1") |
| 148 | // Trim any leading space and capitalize first letter |
| 149 | .trim() |
| 150 | .replace(/^./, (str) => str.toUpperCase()); |
| 151 | |
| 152 | return formatted; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Checks if an array has any duplicate elements |
| 157 | * @param array The array to check for duplicates |
| 158 | * @returns true if array contains duplicates, false otherwise |
| 159 | */ |
| 160 | export function hasDuplicates<T>(array: T[]): boolean { |
| 161 | // For empty arrays or single-element arrays, return false immediately |
| 162 | if (!array || array.length <= 1) { |
| 163 | return false; |
| 164 | } |
| 165 | |
| 166 | // For primitive types (strings, numbers, booleans), use Set for efficiency |
| 167 | if ( |
| 168 | array.every( |
| 169 | (item) => |
| 170 | typeof item === "string" || |
| 171 | typeof item === "number" || |
| 172 | typeof item === "boolean" || |
| 173 | item === null || |
| 174 | item === undefined, |
| 175 | ) |
| 176 | ) { |
| 177 | return new Set(array).size !== array.length; |
| 178 | } |
| 179 | |
| 180 | // For arrays with objects or nested structures, use a more thorough comparison |
| 181 | for (let i = 0; i < array.length; i++) { |
| 182 | for (let j = i + 1; j < array.length; j++) { |
| 183 | if (isEqual(array[i], array[j])) { |
| 184 | return true; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | return false; |
| 190 | } |
| 191 | |
| 192 | /** |
| 193 | * Helper function to check if two values are equal |
| 194 | * Handles primitive types and objects (shallow comparison) |
| 195 | */ |
| 196 | function isEqual(a: unknown, b: unknown): boolean { |
| 197 | // Handle primitive types |
| 198 | if (a === b) return true; |
| 199 | |
| 200 | // If either value is not an object or is null, they're not equal |
| 201 | if ( |
| 202 | a == null || |
| 203 | b == null || |
| 204 | typeof a !== "object" || |
| 205 | typeof b !== "object" |
| 206 | ) { |
| 207 | return false; |
| 208 | } |
| 209 | |
| 210 | // Check if both are arrays |
| 211 | if (Array.isArray(a) && Array.isArray(b)) { |
| 212 | if (a.length !== b.length) return false; |
| 213 | |
| 214 | // Compare array elements |
| 215 | for (let i = 0; i < a.length; i++) { |
| 216 | if (!isEqual(a[i], b[i])) return false; |
| 217 | } |
| 218 | |
| 219 | return true; |
| 220 | } |
| 221 | |
| 222 | // For regular objects, compare properties |
| 223 | const keysA = Object.keys(a); |
| 224 | const keysB = Object.keys(b); |
| 225 | |
| 226 | if (keysA.length !== keysB.length) return false; |
| 227 | |
| 228 | return keysA.every((key) => Object.hasOwn(b, key) && isEqual(a[key], b[key])); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Generate a unique token for use in invitations and other secure links |
| 233 | */ |
| 234 | export async function generateUniqueToken(length = 32): Promise<string> { |
| 235 | // Using nanoid for secure, URL-friendly unique tokens |
| 236 | const alphabet = |
| 237 | "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| 238 | const nanoid = customAlphabet(alphabet, length); |
| 239 | return nanoid(); |
| 240 | } |
| 241 | |
| 242 | export function getDateRange(start: Date, end: Date) { |
| 243 | const startStr = start.toLocaleDateString("en-US", { |
| 244 | month: "short", |
| 245 | day: "numeric", |
| 246 | }); |
| 247 | const endStr = end.toLocaleDateString("en-US", { |
| 248 | month: "short", |
| 249 | day: "numeric", |
| 250 | }); |
| 251 | return `${startStr} - ${endStr}`; |
| 252 | } |
| 253 | |
| 254 | export const fetchJSON = async (url: string, next?: NextFetchRequestConfig) => { |
| 255 | const response = await fetch(url, { next: next }); |
| 256 | if (!response.ok) throw new Error(`Failed to fetch data from ${url}`); |
| 257 | return response.json(); |
| 258 | }; |
| 259 | |
| 260 | export const extractOrigin = (url: string): string => { |
| 261 | const hostname = new URL(url).hostname; |
| 262 | return hostname.replace(/^www\./, ""); |
| 263 | }; |
| 264 |