94 lines
2.0 KiB
Vue
94 lines
2.0 KiB
Vue
<template>
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<div ref="sandboxRef" class="email-renderer"></div>
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</template>
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<script setup lang="ts">
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import { ref, watch, nextTick } from "vue";
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import { useRouterStore } from "@/store/modules/router";
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const routerStore = useRouterStore();
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const props = defineProps<{
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html: string;
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}>();
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const sandboxRef = ref<HTMLDivElement | null>(null);
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let shadowRoot: ShadowRoot | null = null;
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function sanitizeHtml(html: string): string {
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// 简单去除 <script> 标签及其内容
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return html.replace(/<script[^>]*>[\s\S]*?<\/script>/gi, "");
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}
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watch(
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() => props.html,
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async (newHtml) => {
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if (!sandboxRef.value) return;
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await nextTick();
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if (!shadowRoot) {
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shadowRoot = sandboxRef.value.attachShadow({ mode: "open" });
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// 监听shadowRoot里的点击事件，事件委托拦截a标签
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shadowRoot.addEventListener("click", (e) => {
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const target = e.target as HTMLElement;
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const anchor = target.closest("a");
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if (anchor && anchor.getAttribute("href")?.startsWith("mailto:")) {
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e.preventDefault();
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const email = anchor.getAttribute("href")!.replace("mailto:", "");
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if (email) {
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routerStore.navigateTo({
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path: "/write",
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query: {
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toEmail: email
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}
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});
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}
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}
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});
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}
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// 先清空
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shadowRoot.innerHTML = "";
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// 安全过滤
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const safeHtml = sanitizeHtml(newHtml);
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// 直接插入，保留里面的 <style> 标签
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shadowRoot.innerHTML = `
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<style>
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html, body {
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margin: 0;
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padding: 0;
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}
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img {
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max-width: 100%;
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height: auto;
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display: block;
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}
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table {
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max-width: 100%;
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overflow-wrap: break-word;
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}
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.wrapper {
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box-sizing: border-box;
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}
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</style>
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<div class="wrapper">
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${safeHtml}
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</div>
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`;
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},
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{ immediate: true }
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);
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</script>
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<style scoped>
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.email-renderer {
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position: relative;
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width: 100%;
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overflow-x: auto;
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}
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</style>
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