consumer模块完成90%，前端完成supabase对接

mall/utils/authRedirect.uts

@@ -0,0 +1,62 @@
+export type AuthRedirectOptions = {
+	loginPath?: string
+	registerPath?: string
+	fallbackUrl?: string
+}
+
+function normalizePath(path: string): string {
+	if (!path) return ''
+	return path.startsWith('/') ? path : `/${path}`
+}
+
+function safeEncode(url: string): string {
+	try {
+		return encodeURIComponent(url)
+	} catch (_) {
+		return url
+	}
+}
+
+export function getCurrentPageUrlWithQuery(): string {
+	const pages = getCurrentPages() as any[]
+	const currentPage = pages.length > 0 ? pages[pages.length - 1] : null
+	if (!currentPage) return ''
+
+	const route = currentPage.route as string | null
+	const options = (currentPage.options ?? {}) as Record<string, any>
+	if (!route) return ''
+
+	const path = normalizePath(route)
+	const keys = Object.keys(options)
+	if (keys.length === 0) return path
+
+	const query = keys
+		.filter((k) => options[k] != null)
+		.map((k) => `${k}=${encodeURIComponent(String(options[k]))}`)
+		.join('&')
+	return query.length > 0 ? `${path}?${query}` : path
+}
+
+export function toLoginWithRedirect(redirectUrl?: string, opts?: AuthRedirectOptions) {
+	const loginPath = opts?.loginPath ?? '/pages/user/login'
+	const fallback = opts?.fallbackUrl ?? '/pages/mall/consumer/index'
+	const target = (redirectUrl != null && redirectUrl.length > 0)
+		? redirectUrl
+		: (getCurrentPageUrlWithQuery() || fallback)
+
+	uni.navigateTo({
+		url: `${loginPath}?redirect=${safeEncode(target)}`
+	})
+}
+
+export function toRegisterWithRedirect(redirectUrl?: string, opts?: AuthRedirectOptions) {
+	const registerPath = opts?.registerPath ?? '/pages/user/register'
+	const fallback = opts?.fallbackUrl ?? '/pages/mall/consumer/index'
+	const target = (redirectUrl != null && redirectUrl.length > 0)
+		? redirectUrl
+		: (getCurrentPageUrlWithQuery() || fallback)
+
+	uni.navigateTo({
+		url: `${registerPath}?redirect=${safeEncode(target)}`
+	})
+}