mirror of
https://github.com/Extroonie/extroonie.com.git
synced 2026-10-12 17:48:06 -07:00
90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
import assert from 'node:assert/strict';
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import { readFileSync } from 'node:fs';
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import { runInNewContext } from 'node:vm';
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let focused;
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class Element {
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listeners = {};
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attributes = {};
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children = [];
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style = {};
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offsetWidth = 240;
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offsetHeight = 160;
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addEventListener(name, listener) {
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this.listeners[name] = listener;
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}
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emit(name, event = {}) {
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this.listeners[name]?.(event);
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}
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setAttribute(name, value) {
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this.attributes[name] = value;
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}
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removeAttribute(name) {
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delete this.attributes[name];
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}
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replaceChildren(...children) {
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this.children = children;
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}
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contains(element) {
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return this.children.includes(element);
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}
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focus(options) {
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focused = this;
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this.focusOptions = options;
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this.emit('focus');
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}
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}
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const reference = new Element();
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reference.hash = '#fn:1';
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reference.textContent = '1';
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reference.matches = () => true;
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reference.getBoundingClientRect = () => ({ left: 960, top: 730, bottom: 750 });
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const superscript = new Element();
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superscript.after = () => {};
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reference.closest = () => superscript;
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const link = new Element();
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const note = new Element();
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note.cloneNode = () => ({ childNodes: [link], querySelectorAll: () => [] });
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const preview = new Element();
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const document = new Element();
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Object.defineProperty(document, 'activeElement', { get: () => focused });
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document.querySelectorAll = () => [reference];
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document.createElement = () => preview;
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document.getElementById = (id) => (id === 'fn:1' ? note : null);
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document.body = { append() {} };
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const window = new Element();
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runInNewContext(readFileSync('assets/js/footnotes.js', 'utf8'), {
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document,
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window,
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innerWidth: 1000,
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innerHeight: 800,
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setTimeout,
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clearTimeout,
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});
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assert(preview.hidden);
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reference.emit('pointerenter', { pointerType: 'touch' });
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assert(preview.hidden, 'Touch should retain native endnote navigation');
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reference.focus();
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assert(!preview.hidden && reference.attributes['aria-controls'] === 'footnote-preview');
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assert.equal(preview.style.left, '744px');
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assert.equal(preview.style.top, '562px');
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link.focus();
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window.emit('scroll');
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assert(!preview.hidden, 'Scrolling must not hide the focused preview');
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window.emit('resize');
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assert(preview.hidden && focused === reference, 'Resize must not leave focus in a hidden preview');
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assert.equal(reference.focusOptions.preventScroll, true);
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assert.equal(reference.attributes['aria-controls'], undefined);
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reference.focus();
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link.focus();
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document.emit('keydown', { key: 'Escape' });
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assert(preview.hidden && focused === reference, 'Escape must return focus to the reference');
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reference.focus();
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const elsewhere = new Element();
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elsewhere.focus();
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window.emit('resize');
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assert(preview.hidden && focused === elsewhere, 'Closing must not steal unrelated focus');
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reference.focus();
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reference.emit('click');
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assert(preview.hidden, 'Endnote navigation must close the preview');
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console.log('Passed: simulated footnote focus restoration, dismissal, touch fallback, and viewport positioning.');
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