kurihada
ce76980fe5
- 新增 JWT httpOnly cookie 认证链路 (jose)，登录/注册签发 token， 所有用户和盲盒 API 改为从 cookie 提取 userId，不再信任客户端传值 - 新增 /api/auth/logout 端点清除认证 cookie - GET /api/user 区分 owner/非 owner，非 owner 不暴露 email - atomicUpdateRoom 新增 per-room 应用层互斥锁，防止 SQLite 下并发 lost update - 修复 getRoomData 中 fire-and-forget delete 改为 await - 37 个静默 catch 块跨 17 个文件添加 console.error 日志 - 新增 REFACTOR_PLAN.md 全景分析文档
54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
import { toPng } from "html-to-image";
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export async function loadImageAsDataUrl(src: string): Promise<string | null> {
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try {
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const img = new Image();
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img.crossOrigin = "anonymous";
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img.src = src;
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await new Promise<void>((resolve, reject) => {
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img.onload = () => resolve();
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img.onerror = () => reject();
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});
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const canvas = document.createElement("canvas");
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canvas.width = img.naturalWidth;
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canvas.height = img.naturalHeight;
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const ctx = canvas.getContext("2d")!;
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ctx.drawImage(img, 0, 0);
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return canvas.toDataURL("image/jpeg", 0.85);
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} catch (e) {
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console.error("proxyToDataUrl failed:", e);
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return null;
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}
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}
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export async function generateImage(el: HTMLElement): Promise<string> {
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return toPng(el, {
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pixelRatio: 2,
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quality: 0.95,
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cacheBust: true,
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skipAutoScale: true,
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filter: (node) => {
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if (node instanceof HTMLElement && node.dataset.shareExclude === "true") {
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return false;
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}
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return true;
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},
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});
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}
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export function downloadDataUrl(dataUrl: string, filename: string) {
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const link = document.createElement("a");
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link.download = filename;
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link.href = dataUrl;
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link.click();
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}
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export function dataUrlToFile(dataUrl: string, filename: string): File {
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const arr = dataUrl.split(",");
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const mime = arr[0].match(/:(.*?);/)?.[1] || "image/png";
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const bstr = atob(arr[1]);
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const u8 = new Uint8Array(bstr.length);
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for (let i = 0; i < bstr.length; i++) u8[i] = bstr.charCodeAt(i);
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return new File([u8], filename, { type: mime });
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}
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