Common utilities for readers of WordPress-based sites
目前為
// ==UserScript==
// @name WordPress Reader Utilities
// @namespace https://github.com/BobbyWibowo
// @version 1.0.4
// @description Common utilities for readers of WordPress-based sites
// @author Bobby Wibowo
// @license MIT
// @run-at document-end
// @match *://*
// @grant GM_addStyle
// ==/UserScript==
(function () {
'use strict';
// Helper functions
const log = (msg, type = 'log') => console[type]('[WRU] ' + msg);
const getElement = (selectors = []) => {
let element;
let index;
for (index = 0; index < selectors.length; index++) {
element = document.querySelector(selectors[index]);
if (element) break;
}
return { element, index };
};
const capitalizeFirstLetter = string => {
return string.charAt(0).toUpperCase() + string.slice(1);
};
// Detect WordPress
const isWordPress = () => {
const config = [
{
selector: 'meta[name="generator"]',
test: element => /^WordPress/.test(element.getAttribute('content'))
},
{ selector: '#footer .footer-wrap a[href*="wordpress.com"]' },
{ selector: '#footer2 a[href*="wordpress.org"]' },
{ selector: 'footer .site-info a[href*="wordpress.org"]' }
];
const selectors = config.map(conf => conf.selector);
const detect = getElement(selectors);
if (detect.element) {
if (typeof config[detect.index].test === 'function') { return config[detect.index].test(detect.element); }
return true;
}
return false;
};
if (!isWordPress()) return;
log('Current page is a WordPress-based site.');
// Global style
let globalStyle = `
#wcc-dates-container { text-align: center; margin-bottom: 25px }
#wcc-toggle-container { text-align: center; margin-bottom: 25px }
#wcc-toggle { width: 100% }
`;
// Configurations
const dateLocale = undefined; // undefined => Browser's locale
const dateOptions = {
weekday: 'long',
year: 'numeric',
month: 'long',
day: 'numeric',
hour: 'numeric',
minute: 'numeric',
second: 'numeric',
hour12: true
};
// Add detailed published/modified dates at the top of post.
const getDates = () => {
const tags = {
'article:published_time': 'published',
'article:modified_time': 'modified'
};
const results = {};
const tagsKeys = Object.keys(tags);
for (const key of tagsKeys) {
const meta = document.head.querySelector('meta[property="' + key + '"]');
if (!meta) continue;
results[tags[key]] = new Date(meta.getAttribute('content'));
}
return results;
};
const displayDates = () => {
const dates = getDates();
const datesKeys = Object.keys(dates);
if (!datesKeys.length) { return log('Current page does not have date meta tags.'); }
const selectors = ['header.entry-header', 'h1.entry-title', 'h1.uk-article-title'];
const title = getElement(selectors);
if (!title.element) { return log('Current page does not have a title element.'); }
const datesContainer = document.createElement('div');
datesContainer.id = 'wcc-dates-container';
datesContainer.innerHTML = '';
title.element.insertAdjacentElement('afterend', datesContainer);
log('Dates container appended.');
for (const key of datesKeys) {
const formattedDate = new Intl.DateTimeFormat(dateLocale, dateOptions).format(dates[key]);
datesContainer.innerHTML += '<b>' + capitalizeFirstLetter(key) + ':</b> ' + formattedDate + '<br>';
}
};
displayDates();
// Add an expand/collapse button to comments container.
const appendToggler = () => {
const selectors = [
'.content-comments.container',
'.comments-area',
'#disqus_thread',
'#fastcomments-widget'
];
const comments = getElement(selectors);
if (!comments.element) { return log('Current page does not have a comments section.'); }
globalStyle += selectors[comments.index] + ':not([data-expanded="1"]) { height: 0; overflow: hidden }';
const commentHash = location.hash || '';
const hasCommentHash = /^#comment(s|-\d+)$/.test(commentHash);
if (hasCommentHash) {
comments.element.dataset.expanded = '1';
log('Comment hash detected, comments expanded.');
}
const toggleContainer = document.createElement('div');
toggleContainer.id = 'wcc-toggle-container';
comments.element.insertAdjacentElement('beforebegin', toggleContainer);
log('Toggle container appended.');
const toggle = document.createElement('button');
toggle.id = 'wcc-toggle';
const updateBtn = () => {
toggle.innerHTML = (comments.element.dataset.expanded ? 'Collapse' : 'Expand') + ' Comments';
return toggle.innerHTML;
};
updateBtn();
toggle.addEventListener('click', () => {
if (comments.element.dataset.expanded) delete comments.element.dataset.expanded;
else comments.element.dataset.expanded = '1';
updateBtn();
});
toggleContainer.appendChild(toggle);
log('Toggle appended.');
};
appendToggler();
// Add styling
GM_addStyle(globalStyle);
log('Styling added.');
})();