release 0.3.4

apps/web/lib/utils.ts

@@ -1,6 +1,166 @@
 import { clsx, type ClassValue } from "clsx";
 import { twMerge } from "tailwind-merge";
+import ms from "ms";
+import { ContentItem } from "./types/note";
 
 export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs));
 }
+
+export const timeAgo = (timestamp: number, timeOnly?: boolean): string => {
+  if (!timestamp) return "never";
+  return `${ms(Date.now() - new Date(timestamp).getTime())}${
+    timeOnly ? "" : " ago"
+  }`;
+};
+
+export async function fetcher<JSON = any>(
+  input: RequestInfo,
+  init?: RequestInit,
+): Promise<JSON> {
+  const res = await fetch(input, init);
+
+  if (!res.ok) {
+    const json = await res.json();
+    if (json.error) {
+      const error = new Error(json.error) as Error & {
+        status: number;
+      };
+      error.status = res.status;
+      throw error;
+    } else {
+      throw new Error("An unexpected error occurred");
+    }
+  }
+
+  return res.json();
+}
+
+export function nFormatter(num: number, digits?: number) {
+  if (!num) return "0";
+  const lookup = [
+    { value: 1, symbol: "" },
+    { value: 1e3, symbol: "K" },
+    { value: 1e6, symbol: "M" },
+    { value: 1e9, symbol: "G" },
+    { value: 1e12, symbol: "T" },
+    { value: 1e15, symbol: "P" },
+    { value: 1e18, symbol: "E" },
+  ];
+  const rx = /\.0+$|(\.[0-9]*[1-9])0+$/;
+  var item = lookup
+    .slice()
+    .reverse()
+    .find(function (item) {
+      return num >= item.value;
+    });
+  return item
+    ? (num / item.value).toFixed(digits || 1).replace(rx, "$1") + item.symbol
+    : "0";
+}
+
+export function isEmail(str: string) {
+  const reg = /^([a-zA-Z\d._%+-]+)@([a-zA-Z\d.-]+\.[a-zA-Z]{2,})$/;
+  return reg.test(str);
+}
+
+export function getAvatarById(id: string) {
+  return `https://avatars.dicebear.com/api/micah/${id}.svg`;
+}
+
+export function formatDate(dateString: string) {
+  if (!dateString) {
+    return `0秒前`;
+  }
+  const sourceDate = new Date(dateString).getTime();
+  const currentDate = new Date().getTime();
+
+  const timeDiff = currentDate - sourceDate;
+  const secondsDiff = Math.floor(timeDiff / 1000); // 计算秒数差
+
+  if (secondsDiff < 60) {
+    return `${secondsDiff}秒前`;
+  } else if (secondsDiff < 3600) {
+    // 不足1小时
+    const minutesDiff = Math.floor(secondsDiff / 60);
+    return `${minutesDiff}分钟前`;
+  } else if (secondsDiff < 86400) {
+    // 不足1天
+    const hoursDiff = Math.floor(secondsDiff / 3600);
+    return `${hoursDiff}小时前`;
+  } else {
+    const daysDiff = Math.floor(secondsDiff / 86400);
+    return `${daysDiff}天前`;
+  }
+}
+
+export function fomatTmpDate(dateNum: number) {
+  const date = new Date(dateNum);
+  return `${date.getMonth() + 1}/${date.getDate()}`;
+}
+
+export function generateName(id: string) {
+  return `u-${id.slice(-6)}`;
+}
+
+export function exportAsJson(data: any, filename: string) {
+  const dataStr = JSON.stringify(data);
+  const dataUri =
+    "data:application/json;charset=utf-8," + encodeURIComponent(dataStr);
+
+  const linkElement = document.createElement("a");
+  linkElement.setAttribute("href", dataUri);
+  linkElement.setAttribute("download", filename + ".json");
+  linkElement.style.display = "none";
+  document.body.appendChild(linkElement);
+
+  linkElement.click();
+  document.body.removeChild(linkElement);
+}
+
+export function exportAsMarkdownFile(data: string, fileName: string) {
+  const dataUri = "data:text/plain;charset=utf-8," + encodeURIComponent(data);
+
+  const linkElement = document.createElement("a");
+  linkElement.setAttribute("href", dataUri);
+  linkElement.setAttribute("download", fileName + ".md");
+  linkElement.style.display = "none";
+  document.body.appendChild(linkElement);
+
+  linkElement.click();
+  document.body.removeChild(linkElement);
+}
+
+export function getRandomElement(arr: string[]) {
+  let currentIndex = arr.length;
+  let temporaryValue;
+  let randomIndex;
+
+  // 当还有未洗牌的元素时
+  while (currentIndex !== 0) {
+    // 从剩余的元素中随机选择一个元素
+    randomIndex = Math.floor(Math.random() * currentIndex);
+    currentIndex -= 1;
+
+    // 将当前元素与随机选择的元素进行交换
+    temporaryValue = arr[currentIndex];
+    arr[currentIndex] = arr[randomIndex];
+    arr[randomIndex] = temporaryValue;
+  }
+
+  // 返回洗牌后的数组的第一个元素
+  return arr[0];
+}
+
+export function greeting() {
+  var currentTime = new Date();
+  var currentHour = currentTime.getHours();
+
+  if (currentHour < 12) {
+    return "上午好";
+  } else if (currentHour < 18) {
+    return "下午好";
+  } else {
+    return "晚上好";
+  }
+}