54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
const win = global.window;
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const doc = win.document;
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const pinned = {};
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const attr = (el, name, value) => {
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if (typeof el === 'string') {
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el = doc.querySelector(el);
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}
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if (value === undefined) {
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return el.getAttribute(name);
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}
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if (value === null) {
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return el.removeAttribute(name);
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}
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return el.setAttribute(name, value);
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};
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const root_children = () => {
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return [
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...doc.querySelector('head').childNodes,
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...doc.querySelector('body').childNodes
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];
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};
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const pin_html = () => {
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pinned.title = doc.title;
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pinned.htmlId = attr('html', 'id');
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pinned.htmlClasses = attr('html', 'class');
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pinned.bodyId = attr('body', 'id');
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pinned.bodyClasses = attr('body', 'class');
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pinned.els = root_children();
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// console.log('pinned', pinned);
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};
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const restore_html = () => {
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doc.title = pinned.title;
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attr('html', 'id', pinned.htmlId);
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attr('html', 'class', pinned.htmlClasses);
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attr('body', 'id', pinned.bodyId);
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attr('body', 'class', pinned.bodyClasses);
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root_children().forEach(el => {
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if (pinned.els.indexOf(el) < 0) {
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el.remove();
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}
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});
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// win.localStorage.clear();
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};
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module.exports = {
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pin_html,
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restore_html
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};
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