2026-09-28 15:48:35 +08:00
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/* 简航 SimpleNav —— 前台交互:搜索引擎切换 + 联想下拉 + 合集标签页 */
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(function () {
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'use strict';
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var cfg = window.SIMPLENAV || {};
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/* ---------- 搜索引擎切换 ---------- */
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var tabs = document.querySelectorAll('#engine-tabs .s-engine');
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var form = document.getElementById('search-form');
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var input = document.getElementById('search-text');
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function activateEngine(el) {
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tabs.forEach(function (t) { t.classList.remove('active'); });
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el.classList.add('active');
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var search = el.getAttribute('data-search');
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var param = el.getAttribute('data-param');
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var slug = el.getAttribute('data-slug');
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var ph = el.getAttribute('data-placeholder') || '搜索';
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2026-09-28 16:43:10 +08:00
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if (form) { form.setAttribute('action', search); form.setAttribute('data-slug', slug); }
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2026-09-28 15:48:35 +08:00
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if (input) { input.setAttribute('name', param); input.setAttribute('placeholder', ph); }
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hideWord();
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2026-09-28 17:13:10 +08:00
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// 已经输了字就顺手换一份建议(auto 模式下各引擎来源不同)
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if (input && input.value.trim() !== '') { askSuggest(); }
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2026-09-28 15:48:35 +08:00
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}
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tabs.forEach(function (el) {
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el.addEventListener('click', function () { activateEngine(el); input && input.focus(); });
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});
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/* ---------- 联想下拉 ---------- */
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var word = document.getElementById('word');
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var timer = null;
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2026-09-28 17:13:10 +08:00
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var lastQ = null;
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var seq = 0; // 请求序号:防止先发的慢响应覆盖后发的快响应
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2026-09-28 20:01:25 +08:00
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var items = []; // 当前展示的建议词
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2026-09-28 20:25:33 +08:00
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var active = -1; // 选中项下标(键盘 ↓/↑、,/. 与鼠标划过共用);-1 = 没选中
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2026-09-28 21:01:22 +08:00
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var punctByKeyDown = false; // 本次标点是否已由 keydown 处理(防 keydown+beforeinput 双触发跳两格)
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2026-09-28 20:25:33 +08:00
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/* 联想词的选中按键(后台「设置 → 联想词按键」):
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arrows(默认,等同改造前)/ punct / both */
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var keyMode = cfg.suggestKeys || 'arrows';
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function acceptsArrows() { return keyMode === 'arrows' || keyMode === 'both'; }
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function acceptsPunct() { return keyMode === 'punct' || keyMode === 'both'; }
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2026-09-28 21:01:22 +08:00
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/* ⚠️ 中文输入法的标点坑(真实用户反馈,2026-09-28):
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中文输入法下按逗号/句号,上屏的是**全角** `,`(U+FF0C) / `。`(U+3002),
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而且此时 e.code **不一定**是 'Comma'/'Period'(取决于浏览器与输入法)——
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早先只认 `e.code === 'Comma' || e.key === ','`(半角)就是因此漏判,
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结果标点被当普通字符输进了搜索框、没当成选词键。
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修法:以 e.key 的**字符**为主判据,半角/全角都认,e.code 仅作辅助。
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全角逗号 = `,`(U+FF0C);全角句号常见是 `。`(U+3002),另兼容全角句点 `.`(U+FF0E)。 */
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function isComma(e) {
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return e.key === ',' || e.key === '\uFF0C' || e.code === 'Comma';
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}
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function isPeriod(e) {
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return e.key === '.' || e.key === '\u3002' || e.key === '\uFF0E' || e.code === 'Period';
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}
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2026-09-28 15:48:35 +08:00
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2026-09-28 20:01:25 +08:00
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function hideWord() {
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if (word) { word.innerHTML = ''; word.style.display = 'none'; }
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items = [];
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active = -1;
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}
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function showWord(list) {
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2026-09-28 15:48:35 +08:00
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if (!word) return;
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2026-09-28 20:01:25 +08:00
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items = (list || []).slice();
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active = -1; // 换了新建议就取消选中:此时回车应当用输入框原文
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if (!items.length) { hideWord(); return; }
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2026-09-28 15:48:35 +08:00
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word.innerHTML = items.map(function (t) {
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2026-09-28 16:43:10 +08:00
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var d = document.createElement('li');
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2026-09-28 15:48:35 +08:00
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d.textContent = t;
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return d.outerHTML;
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2026-09-28 15:48:35 +08:00
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}).join('');
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word.style.display = 'block';
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}
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2026-09-28 20:01:25 +08:00
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/** 把 .active 标到当前选中项上(键盘与鼠标共用这一个状态) */
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function paintWord() {
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if (!word) return;
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Array.prototype.forEach.call(word.children, function (li, i) {
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if (i === active) { li.classList.add('active'); } else { li.classList.remove('active'); }
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});
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}
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2026-09-28 17:13:10 +08:00
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function askSuggest() {
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if (!input) return;
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var q = input.value.trim();
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if (q === '') { lastQ = null; hideWord(); return; }
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if (q === lastQ) { return; }
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lastQ = q;
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var mine = ++seq;
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var slug = form ? (form.getAttribute('data-slug') || '') : '';
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fetch(cfg.suggest + '?slug=' + encodeURIComponent(slug) + '&q=' + encodeURIComponent(q))
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.then(function (r) { return r.json(); })
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.then(function (data) { if (mine === seq) { showWord(data && data.items); } })
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.catch(function () { if (mine === seq) { hideWord(); } });
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}
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2026-09-28 15:48:35 +08:00
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if (input) {
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input.addEventListener('input', function () {
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clearTimeout(timer);
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2026-09-28 20:01:25 +08:00
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active = -1; // 一开始打字就取消选中:之后回车应当用输入框原文
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paintWord();
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2026-09-28 17:13:10 +08:00
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timer = setTimeout(askSuggest, 180);
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2026-09-28 15:48:35 +08:00
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});
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input.addEventListener('keydown', function (e) {
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2026-09-28 21:01:22 +08:00
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// ⚠️ IME 组合态保护:用中文输入法**打拼音**时也会触发 keydown(isComposing=true,
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// 或 keyCode=229),那些按键属于输入法自己的候选选择,不能当成选联想词的键拦下来。
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// 组合结束(拼音上屏)后 isComposing=false,下面的 , / . 选词才生效。
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if (e.isComposing || e.keyCode === 229) { return; }
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2026-09-28 20:01:25 +08:00
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var open = !!word && word.style.display === 'block' && items.length > 0;
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2026-09-28 20:25:33 +08:00
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// 移动选中项:只动高亮、不动输入框(回车时才落到输入框)。
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// 用哪组键由后台「联想词按键」决定:arrows = ↓/↑ / punct = , 和 . / both = 都行。
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var dir = 0;
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if (acceptsArrows() && (e.key === 'ArrowDown' || e.key === 'ArrowUp')) {
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dir = e.key === 'ArrowDown' ? 1 : -1;
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} else if (acceptsPunct() && isComma(e)) {
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dir = -1; // , = 上一条(同 ↑)
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} else if (acceptsPunct() && isPeriod(e)) {
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dir = 1; // . = 下一条(同 ↓)
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}
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if (dir !== 0) {
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// ⚠️ 没有下拉时**必须放行** —— 这时 , 和 . 是正常输入字符(如搜「python, pandas」)。
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2026-09-28 20:01:25 +08:00
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if (!open) { return; }
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e.preventDefault(); // 别让光标跳到文本首尾、也别让页面跟着滚
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2026-09-28 21:01:22 +08:00
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moveSelection(dir);
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// 同一次按键 keydown 已经处理过标点 → 标记一下,让紧随其后的 beforeinput 别再移一次,
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// 否则会「跳两格」(keydown 与 beforeinput 的真实触发组合因浏览器/输入法而异,jsdom 测不全)。
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punctByKeyDown = true;
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setTimeout(function () { punctByKeyDown = false; }, 0);
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2026-09-28 20:01:25 +08:00
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return;
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}
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if (e.key === 'Escape') { hideWord(); return; }
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if (e.key === 'Enter') {
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// 只有**用 ↓/↑ 选中**了某条建议,回车才按建议词搜索。
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// 没选中就一律用输入框里的原文 —— 老实现是「回车就套用第一条建议」,
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// 会把用户自己输入、而建议里没有的词悄悄换掉。
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if (open && active >= 0) {
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input.value = items[active];
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hideWord();
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e.preventDefault();
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if (form) { form.submit(); }
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}
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// active < 0:不拦截,交给浏览器默认的表单提交(即用输入框原文搜)
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return;
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2026-09-28 15:48:35 +08:00
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}
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});
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2026-09-28 21:01:22 +08:00
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/* ⚠️ beforeinput 兜底 —— 专治中文输入法的全角标点(用户实测反馈,2026-09-28)。
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某些输入法下,按逗号/句号上屏的是全角「,」「。」,这时:
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· keydown 的 e.key 可能不是半角,e.code 也可能不是 'Comma'/'Period' → 漏判;
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· 或者根本在 isComposing 组合态里被上面那道保护挡掉 → 也漏判。
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beforeinput 在**字符即将插入文本框之前**触发,e.data 就是要插入的字符,
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是拦全角标点最可靠的一道。命中就 preventDefault(不插入)并移动选中项。
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只在「下拉打开 + punct/both 模式」下生效;没有下拉时不拦,逗号句号照常输入。 */
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input.addEventListener('beforeinput', function (e) {
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if (e.inputType !== 'insertText') { return; }
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if (punctByKeyDown) { return; } // keydown 已处理过本次标点,别再移一次(防跳两格)
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var d = e.data;
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if (d === null || d === undefined) { return; }
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var open = !!word && word.style.display === 'block' && items.length > 0;
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if (!open || !acceptsPunct()) { return; }
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var dir = 0;
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if (d === ',' || d === '\uFF0C') { dir = -1; } // 半角/全角逗号
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else if (d === '.' || d === '\u3002' || d === '\uFF0E') { dir = 1; } // 半角/全角句号
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if (dir !== 0) { e.preventDefault(); moveSelection(dir); }
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});
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}
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/** 移动联想下拉的选中项(keydown 与 beforeinput 共用;dir=-1 上一条 / +1 下一条) */
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function moveSelection(dir) {
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if (active < 0) {
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active = dir > 0 ? 0 : items.length - 1;
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} else {
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active = (active + dir + items.length) % items.length;
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}
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paintWord();
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}
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2026-09-28 20:01:25 +08:00
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/* 鼠标划过某条建议 → 同步高亮(与 ↓/↑ 共用 active,回车即可确认) */
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document.addEventListener('mouseover', function (e) {
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if (!word || !e.target.closest) { return; }
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var hovered = e.target.closest('#word li');
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if (!hovered) { return; }
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Array.prototype.forEach.call(word.children, function (li, i) {
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if (li === hovered) { active = i; }
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});
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paintWord();
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});
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2026-09-28 15:48:35 +08:00
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document.addEventListener('click', function (e) {
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if (word && !word.contains(e.target) && e.target !== input) { hideWord(); }
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var li = e.target.closest ? e.target.closest('#word li') : null;
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if (li && input) {
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input.value = li.textContent;
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hideWord();
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if (form) { form.submit(); }
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}
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});
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/* ---------- 合集标签页 ---------- */
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var collTabs = document.querySelectorAll('#coll-tabs .tab');
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collTabs.forEach(function (tab) {
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tab.addEventListener('click', function () {
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2026-09-28 16:43:10 +08:00
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collTabs.forEach(function (t) {
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t.classList.remove('active');
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t.setAttribute('aria-selected', 'false');
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});
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2026-09-28 15:48:35 +08:00
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tab.classList.add('active');
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2026-09-28 16:43:10 +08:00
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tab.setAttribute('aria-selected', 'true');
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2026-09-28 15:48:35 +08:00
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document.querySelectorAll('.tab-panel').forEach(function (p) { p.classList.remove('active'); });
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var panel = document.getElementById(tab.getAttribute('data-target'));
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if (panel) { panel.classList.add('active'); }
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});
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});
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2026-09-28 16:43:10 +08:00
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/* ---------- 图标加载失败 → 退回首字母块(与 PHP 端配色一致) ---------- */
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var PALETTE = ['#2F6BF7', '#5B8DEF', '#0EA5E9', '#10B981', '#F59E0B', '#EF4444', '#8B5CF6', '#EC4899', '#14B8A6', '#F97316'];
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function colorOf(s) {
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var h = 0;
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for (var i = 0; i < s.length; i++) { h = (h * 31 + s.charCodeAt(i)) | 0; }
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return PALETTE[Math.abs(h) % PALETTE.length];
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}
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document.querySelectorAll('.mylist img.icon').forEach(function (img) {
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img.addEventListener('error', function () {
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var a = img.closest('a');
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if (!a) { img.style.visibility = 'hidden'; return; }
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var nameEl = a.querySelector('.name');
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var label = (nameEl ? nameEl.textContent : '?').trim() || '?';
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var span = document.createElement('span');
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span.className = 'ico-letter';
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span.style.background = colorOf(label);
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span.textContent = label.charAt(0);
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img.parentNode.replaceChild(span, img);
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}, { once: true });
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});
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2026-09-28 15:48:35 +08:00
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})();
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