MediaWiki:Common.js：修订间差异

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//页面摘要功能

/* ========= Page Card 摘要 + 概述图（保留内部链接） ========= */

console.log('COMMON.JS LOADED');

mw.hook('wikipage.content').add(function () {

console.log('wikipage.content triggered');

var cards = document.querySelectorAll('.page-card');

~~document.querySelectorAll('.page-card')~~.forEach(function (card) {

cards.forEach(function (card) {

if (card.dataset.done === '1') return;

var title = card.dataset.title;

if (!title) return;

var excerptDiv = card.querySelector('.page-excerpt');

if (~~!title || !excerptDiv~~) ~~return~~;

var imageDiv = card.querySelector('.page-card-image');

~~var length = parseInt~~(~~card.dataset.length~~) ~~|| 200~~;

if (!excerptDiv) return;

/~~* ① 先拿 wikitext *~~/

// API 地址（extracts + pageimages），保留 HTML

~~fetch(~~'/api.php?action=query~~&prop=revisions&rvprop=content~~&titles='

var url = '/api.php?action=query' +

+ encodeURIComponent(title) + '&~~format~~=~~json~~')

'&titles=' + encodeURIComponent(title) +

.~~then(r => r~~.~~json()~~)

'&prop=extracts|pageimages' +

~~.then(data~~ =~~> {~~

'&exchars=' + (card.dataset.length || 200) +

~~var pages~~ = ~~data.query.pages;~~

'&exlimit=1' +

~~var wikitext~~ = '';

'&exsectionformat=plain' +

'&exintro=1' +

'&format=json' +

'&explaintext=0'; // 保留 HTML

~~for~~ (~~var id in pages~~) {

fetch(url)

if (~~pages[id]~~.~~revisions?.[0]?.[~~'*'~~]) {~~

.then(function (res) {

~~wikitext = pages[id]~~.~~revisions[0][~~'*'];

if (!res.ok) throw new Error('HTTP ' + res.status + ': ' + res.statusText);

~~break~~;

return res.json();

}

})

}

.then(function (data) {

if (!data.query || !data.query.pages) throw new Error('No pages in response');

if (~~!wikitext~~) {

for (var id in data.query.pages) {

~~excerptDiv~~.~~textContent = '~~(~~无摘要~~)';

if (data.query.pages.hasOwnProperty(id)) {

~~return~~;

var page = data.query.pages[id];

}

/~~* ② 截取前 N 字，避免截断 [[链接]] *~~/

// 摘要 HTML

~~var slice = wikitext~~.~~slice(0, length~~);

if (page.extract) {

var ~~open~~ = ~~slice~~.~~lastIndexOf~~('[[');

// 去掉换行符，保留 <a>

~~var close~~ = ~~slice.lastIndexOf(']]')~~;

var html = page.extract.replace(/[\r\n]+/g, ' ');

~~if (open > close) slice~~ = ~~slice.slice~~(~~0, open~~);

excerptDiv.innerHTML = html;

} else {

excerptDiv.textContent = '(无摘要)';

}

~~slice~~ = ~~slice~~.~~replace(/[\r\n]~~+~~/g,~~ ' ');

// 概述图

if (imageDiv && page.thumbnail && page.thumbnail.source) {

imageDiv.innerHTML = '<img src="' + page.thumbnail.source + '" alt="概述图">';

}

/~~* ③ 用 action=parse 解析这段 wikitext *~~/

break; // 只取第一个页面

~~return fetch~~(~~'/api.php?action=parse&format=json',~~ {

}

~~method:~~ '~~POST~~',

}

~~headers: { 'Content-Type': 'application/x-www-form-urlencoded' }~~,

})

~~body:~~

.catch(function (err) {

~~'contentmodel~~=~~wikitext~~' +

console.error('Failed to fetch summary for', title, err);

~~'&text=' + encodeURIComponent~~(~~slice~~)

excerptDiv.textContent = '(加载失败)';

});

})

~~.then(r => r && r.json())~~

~~.then(parsed => {~~

~~if (parsed?.parse?.text?.['*']) {~~

~~excerptDiv.innerHTML = parsed.parse.text['*'] + '…';~~

~~} else {~~

~~excerptDiv.textContent = '(解析失败)';~~

}

})

~~.catch(err => {~~

~~console.error('Excerpt error:', err);~~

~~excerptDiv.textContent = '(加载失败)';~~

~~});~~

card.dataset.done = '1';

});