|
| 1 | +<template> |
| 2 | + <div class="item"> |
| 3 | + <div class="tit">{{ sort }}. 默认树形评论(打开帖子时自动使用树形评论模式)</div> |
| 4 | + <input type="checkbox" :checked="modelValue" @change="$emit('update:modelValue', $event.target.checked)" /> |
| 5 | + </div> |
| 6 | +</template> |
| 7 | + |
| 8 | +<script> |
| 9 | +import $ from "jquery"; |
| 10 | +
|
| 11 | +export default { |
| 12 | + props: ["modelValue", "sort"], |
| 13 | + emits: ["update:modelValue"], |
| 14 | + data() { |
| 15 | + return { |
| 16 | + processingUrl: false, |
| 17 | + intervalId: null, |
| 18 | + nestedStyleEl: null, |
| 19 | + }; |
| 20 | + }, |
| 21 | + created() { |
| 22 | + if (this.modelValue) { |
| 23 | + this.$nextTick(() => { |
| 24 | + // 处理当前URL |
| 25 | + this.redirectToNested(); |
| 26 | +
|
| 27 | + // 开始链接监控 |
| 28 | + this.startLinkMonitoring(); |
| 29 | +
|
| 30 | + // 监听浏览器前进后退 |
| 31 | + window.addEventListener("popstate", this.handlePopState); |
| 32 | +
|
| 33 | + // 注入顶级评论分割线样式 |
| 34 | + this.injectDividerStyle(); |
| 35 | + }); |
| 36 | + } else { |
| 37 | + // 开关关闭时,如果当前是树形评论URL,还原为普通URL |
| 38 | + this.$nextTick(() => { |
| 39 | + this.redirectToNormal(); |
| 40 | + }); |
| 41 | + } |
| 42 | + }, |
| 43 | + methods: { |
| 44 | + /** |
| 45 | + * 判断URL是否为普通话题详情页(非嵌套模式) |
| 46 | + * 匹配 /t/topic/数字 格式 |
| 47 | + */ |
| 48 | + isTopicUrl(url) { |
| 49 | + return /\/t\/topic\/\d+/.test(url) && !/\/nested\//.test(url); |
| 50 | + }, |
| 51 | +
|
| 52 | + /** |
| 53 | + * 判断URL是否为树形评论模式 |
| 54 | + * 匹配 /nested/topic/数字 格式 |
| 55 | + */ |
| 56 | + isNestedUrl(url) { |
| 57 | + return /\/nested\/topic\/\d+/.test(url); |
| 58 | + }, |
| 59 | +
|
| 60 | + /** |
| 61 | + * 将普通话题URL转换为树形评论URL |
| 62 | + */ |
| 63 | + toNestedUrl(href) { |
| 64 | + const match = href.match(/\/t\/topic\/(\d+)/); |
| 65 | + if (!match) return null; |
| 66 | + const topicId = match[1]; |
| 67 | + if (href.startsWith("http")) { |
| 68 | + const urlObj = new URL(href); |
| 69 | + return `${urlObj.protocol}//${urlObj.host}/nested/topic/${topicId}?sort=old`; |
| 70 | + } |
| 71 | + return `/nested/topic/${topicId}?sort=old`; |
| 72 | + }, |
| 73 | +
|
| 74 | + /** |
| 75 | + * 将树形评论URL还原为普通话题URL |
| 76 | + */ |
| 77 | + toNormalUrl(href) { |
| 78 | + const match = href.match(/\/nested\/topic\/(\d+)/); |
| 79 | + if (!match) return null; |
| 80 | + const topicId = match[1]; |
| 81 | + if (href.startsWith("http")) { |
| 82 | + const urlObj = new URL(href); |
| 83 | + return `${urlObj.protocol}//${urlObj.host}/t/topic/${topicId}`; |
| 84 | + } |
| 85 | + return `/t/topic/${topicId}`; |
| 86 | + }, |
| 87 | +
|
| 88 | + /** |
| 89 | + * 开始监控页面上的所有链接 |
| 90 | + */ |
| 91 | + startLinkMonitoring() { |
| 92 | + this.stopLinkMonitoring(); |
| 93 | +
|
| 94 | + // 立即处理一次 |
| 95 | + this.modifyTopicLinks(); |
| 96 | +
|
| 97 | + // 设置定时监控,处理动态加载的内容 |
| 98 | + this.intervalId = setInterval(() => { |
| 99 | + this.modifyTopicLinks(); |
| 100 | + }, 1000); |
| 101 | + }, |
| 102 | +
|
| 103 | + /** |
| 104 | + * 停止链接监控 |
| 105 | + */ |
| 106 | + stopLinkMonitoring() { |
| 107 | + if (this.intervalId) { |
| 108 | + clearInterval(this.intervalId); |
| 109 | + this.intervalId = null; |
| 110 | + } |
| 111 | + }, |
| 112 | +
|
| 113 | + /** |
| 114 | + * 修改页面上所有话题链接为树形评论链接 |
| 115 | + */ |
| 116 | + modifyTopicLinks() { |
| 117 | + $("a").each((_, element) => { |
| 118 | + const $el = $(element); |
| 119 | + const href = $el.attr("href"); |
| 120 | +
|
| 121 | + if (!href) return; |
| 122 | +
|
| 123 | + // 只处理普通话题链接(排除已经是 nested 的) |
| 124 | + if (!this.isTopicUrl(href)) return; |
| 125 | +
|
| 126 | + const newUrl = this.toNestedUrl(href); |
| 127 | + if (newUrl) { |
| 128 | + $el.attr("href", newUrl); |
| 129 | + } |
| 130 | + }); |
| 131 | + }, |
| 132 | +
|
| 133 | + /** |
| 134 | + * 将页面上所有树形评论链接还原为普通话题链接 |
| 135 | + */ |
| 136 | + revertTopicLinks() { |
| 137 | + $("a").each((_, element) => { |
| 138 | + const $el = $(element); |
| 139 | + const href = $el.attr("href"); |
| 140 | +
|
| 141 | + if (!href) return; |
| 142 | +
|
| 143 | + if (!this.isNestedUrl(href)) return; |
| 144 | +
|
| 145 | + const newUrl = this.toNormalUrl(href); |
| 146 | + if (newUrl) { |
| 147 | + $el.attr("href", newUrl); |
| 148 | + } |
| 149 | + }); |
| 150 | + }, |
| 151 | +
|
| 152 | + /** |
| 153 | + * 处理popstate事件(浏览器前进/后退按钮) |
| 154 | + */ |
| 155 | + handlePopState() { |
| 156 | + if (!this.processingUrl) { |
| 157 | + this.redirectToNested(); |
| 158 | + } |
| 159 | + }, |
| 160 | +
|
| 161 | + /** |
| 162 | + * 将当前页面URL重定向为树形评论模式 |
| 163 | + */ |
| 164 | + redirectToNested() { |
| 165 | + if (this.processingUrl) return; |
| 166 | + this.processingUrl = true; |
| 167 | +
|
| 168 | + try { |
| 169 | + const currentUrl = window.location.href; |
| 170 | +
|
| 171 | + if (this.isTopicUrl(currentUrl)) { |
| 172 | + const newUrl = this.toNestedUrl(currentUrl); |
| 173 | + if (newUrl && currentUrl !== newUrl) { |
| 174 | + window.location.replace(newUrl); |
| 175 | + } |
| 176 | + } |
| 177 | + } finally { |
| 178 | + setTimeout(() => { |
| 179 | + this.processingUrl = false; |
| 180 | + }, 100); |
| 181 | + } |
| 182 | + }, |
| 183 | +
|
| 184 | + /** |
| 185 | + * 将当前页面URL从树形评论模式还原为普通模式 |
| 186 | + */ |
| 187 | + redirectToNormal() { |
| 188 | + if (this.processingUrl) return; |
| 189 | + this.processingUrl = true; |
| 190 | +
|
| 191 | + try { |
| 192 | + const currentUrl = window.location.href; |
| 193 | +
|
| 194 | + if (this.isNestedUrl(currentUrl)) { |
| 195 | + const newUrl = this.toNormalUrl(currentUrl); |
| 196 | + if (newUrl && currentUrl !== newUrl) { |
| 197 | + window.location.replace(newUrl); |
| 198 | + } |
| 199 | + } |
| 200 | + } finally { |
| 201 | + setTimeout(() => { |
| 202 | + this.processingUrl = false; |
| 203 | + }, 100); |
| 204 | + } |
| 205 | + }, |
| 206 | +
|
| 207 | + /** |
| 208 | + * 注入顶级评论之间的分割线 CSS |
| 209 | + */ |
| 210 | + injectDividerStyle() { |
| 211 | + if (this.nestedStyleEl) return; |
| 212 | + const style = document.createElement("style"); |
| 213 | + style.id = "linuxdo-nested-divider-style"; |
| 214 | + style.textContent = ` |
| 215 | + .nested-view__roots > .nested-post.--depth-0 + .nested-post.--depth-0 { |
| 216 | + border-top: 1px solid var(--primary-low, #e1e4e8); |
| 217 | + margin-top: 0.75em; |
| 218 | + padding-top: 1em; |
| 219 | + } |
| 220 | + `; |
| 221 | + document.head.appendChild(style); |
| 222 | + this.nestedStyleEl = style; |
| 223 | + }, |
| 224 | +
|
| 225 | + /** |
| 226 | + * 移除分割线 CSS |
| 227 | + */ |
| 228 | + removeDividerStyle() { |
| 229 | + if (this.nestedStyleEl) { |
| 230 | + this.nestedStyleEl.remove(); |
| 231 | + this.nestedStyleEl = null; |
| 232 | + } |
| 233 | + }, |
| 234 | + }, |
| 235 | + beforeUnmount() { |
| 236 | + this.stopLinkMonitoring(); |
| 237 | + this.removeDividerStyle(); |
| 238 | + window.removeEventListener("popstate", this.handlePopState); |
| 239 | + }, |
| 240 | + beforeDestroy() { |
| 241 | + this.stopLinkMonitoring(); |
| 242 | + this.removeDividerStyle(); |
| 243 | + window.removeEventListener("popstate", this.handlePopState); |
| 244 | + }, |
| 245 | + watch: { |
| 246 | + modelValue(newVal) { |
| 247 | + if (newVal) { |
| 248 | + this.redirectToNested(); |
| 249 | + this.startLinkMonitoring(); |
| 250 | + window.addEventListener("popstate", this.handlePopState); |
| 251 | + this.injectDividerStyle(); |
| 252 | + } else { |
| 253 | + this.stopLinkMonitoring(); |
| 254 | + window.removeEventListener("popstate", this.handlePopState); |
| 255 | + // 关闭时:还原页面链接并跳转回普通模式 |
| 256 | + this.revertTopicLinks(); |
| 257 | + this.removeDividerStyle(); |
| 258 | + this.redirectToNormal(); |
| 259 | + } |
| 260 | + }, |
| 261 | + }, |
| 262 | +}; |
| 263 | +</script> |
| 264 | + |
0 commit comments