102 lines
2.7 KiB
TypeScript
102 lines
2.7 KiB
TypeScript
import { existsSync, readFileSync } from "fs";
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import { join } from "path";
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export const HOME_CHAT_ANIMATION_CONFIG_KEY = "home_chat_animation_config";
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export const HOME_CHAT_ANIMATION_MAX_BYTES = 1024 * 1024;
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export type HomeChatAnimationConfig = {
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enabled: boolean;
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fileName: string;
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htmlContent: string;
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updatedAt: string | null;
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};
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export function normalizeHomeChatAnimationHtml(value: unknown): string {
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if (typeof value !== "string") {
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return "";
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}
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return value
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.replace(/^\uFEFF/, "")
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.replace(/\u0000/g, "")
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.replace(/\u2028|\u2029/g, "\n");
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}
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export function getHomeChatAnimationHtmlBytes(htmlContent: string): number {
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return Buffer.byteLength(htmlContent, "utf8");
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}
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export function normalizeHomeChatAnimationConfig(
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value: unknown,
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): HomeChatAnimationConfig {
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const raw =
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value && typeof value === "object" && !Array.isArray(value)
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? (value as Record<string, unknown>)
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: {};
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const enabled = raw.enabled === true;
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const fileName = String(raw.fileName || "").trim().slice(0, 255);
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const htmlContent = normalizeHomeChatAnimationHtml(raw.htmlContent);
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const updatedAt = String(raw.updatedAt || "").trim() || null;
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return {
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enabled,
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fileName,
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htmlContent,
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updatedAt,
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};
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}
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let cachedDefaultHomeAnimationHtml: string | null | undefined;
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export function getDefaultHomeChatAnimationHtml(): string {
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if (cachedDefaultHomeAnimationHtml !== undefined) {
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return cachedDefaultHomeAnimationHtml || "";
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}
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const candidatePaths = [join(process.cwd(), "动画效果.html")];
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for (const candidatePath of candidatePaths) {
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if (!existsSync(candidatePath)) {
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continue;
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}
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cachedDefaultHomeAnimationHtml = normalizeHomeChatAnimationHtml(
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readFileSync(candidatePath, "utf8"),
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);
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return cachedDefaultHomeAnimationHtml;
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}
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cachedDefaultHomeAnimationHtml = "";
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return "";
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}
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export function resolvePublicHomeChatAnimationConfig(
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value: unknown,
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): HomeChatAnimationConfig & { usesDefaultFallback: boolean } {
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const normalized = normalizeHomeChatAnimationConfig(value);
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const fallbackHtml = getDefaultHomeChatAnimationHtml();
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const htmlContent = normalized.htmlContent || fallbackHtml;
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const usesDefaultFallback =
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!normalized.htmlContent && Boolean(fallbackHtml);
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if (!normalized.enabled || !htmlContent) {
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return {
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enabled: false,
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fileName: normalized.fileName,
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htmlContent: "",
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updatedAt: normalized.updatedAt,
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usesDefaultFallback,
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};
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}
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return {
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enabled: true,
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fileName:
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normalized.fileName || (usesDefaultFallback ? "动画效果.html" : ""),
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htmlContent,
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updatedAt: normalized.updatedAt,
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usesDefaultFallback,
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};
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}
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