427 lines
14 KiB
JavaScript
427 lines
14 KiB
JavaScript
/* global CodeMirror window document Set */
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/* eslint-disable no-implicit-globals */
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// CodeMirror
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var editor = CodeMirror.fromTextArea(document.getElementById('code'), {
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lineNumbers: true,
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styleActiveLine: true,
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matchBrackets: true,
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theme: 'pastel-on-dark',
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lineWrapping: true,
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});
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// CodeMirror theme selector
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var input = document.getElementById('select-theme');
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var font_data;
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var filters = {
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style: false,
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rendering: false,
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liga: false,
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zerostyle: false,
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author: 'all',
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name: '',
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};
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const selectTheme = () => {
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var theme = 'monokai';
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if (input.selectedIndex > -1) {
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theme = input.options[input.selectedIndex].innerHTML;
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}
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editor.setOption('theme', theme);
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document.cookie = `theme=${theme};max-age=172800`;
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}
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// ProgrammingFonts font selector
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const selectFont = () => {
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var font = window.location.hash.substring(1);
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var status_msg = document.querySelector('footer .subtitle');
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var code_mirror = document.querySelector('.CodeMirror');
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if (!font) {
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font = 'cartograph';
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status_msg.innerHTML = 'Test drive all the programming fonts!';
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} else if (typeof font_data !== 'undefined') {
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status_msg.innerHTML =
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`Test drive <a rel="external" href="${font_data[font].website}">${font_data[font].name}!</a>`;
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}
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if (typeof font_data !== 'undefined' && font_data[font].rendering === 'bitmap') {
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code_mirror.classList.add('no-smooth');
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} else {
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code_mirror.classList.remove('no-smooth');
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}
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if (font === 'input') {
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code_mirror.style.fontFamily = 'Input Mono, monospace';
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code_mirror.querySelectorAll('pre, textarea').forEach(element => {
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element.style.fontFamily = 'Input Mono, monospace';
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});
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} else {
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code_mirror.style.fontFamily = `${font}, monospace`;
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code_mirror.querySelectorAll('pre, textarea').forEach(element => {
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element.style.fontFamily = `${font}, monospace`;
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});
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}
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document.querySelectorAll('#select-font [data-alias]').forEach(element => {
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element.classList.remove('active');
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});
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document.querySelectorAll(`#select-font [data-alias='${font}']`).forEach(element => {
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element.classList.add('active');
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});
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document.cookie = `font=${font};max-age=172800`;
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}
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window.onhashchange = selectFont;
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function setSize() {
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var size = document.getElementById('size').value;
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document.querySelector('.CodeMirror').style.fontSize = `${size}px`;
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document.cookie = `size=${size};max-age=172800`;
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}
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function setSpacing() {
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var spacing = document.getElementById('spacing').value;
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document.querySelector('.CodeMirror').style.lineHeight = spacing;
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document.cookie = `spacing=${spacing};max-age=172800`;
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}
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function selectLanguage() {
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var lang = document.getElementById('select-language').value;
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editor.setOption('mode', lang.toLowerCase());
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document.cookie = `language=${lang};max-age=172800`;
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}
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function setCounter(amount) {
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var counter_element = document.querySelector('h1 a:first-child');
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if (amount === 1) {
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counter_element.innerHTML = `${amount} Programming Font`;
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} else {
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counter_element.innerHTML = `${amount} Programming Fonts`;
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}
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}
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function applyFilters() {
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var count = 0;
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Object.keys(filters).forEach(filter => {
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var button = document.querySelector(`button[value="${filter}"]`);
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if (!button) {
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return;
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}
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if (filters[filter]) {
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button.classList.add('selected');
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button.querySelectorAll('svg').forEach(image => {
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image.classList.remove('selected');
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});
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button.querySelector(`svg[alt="${filters[filter]}"]`).classList.add('selected');
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} else {
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button.classList.remove('selected');
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button.querySelectorAll('svg').forEach(image => {
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image.classList.remove('selected');
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});
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}
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});
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document.querySelectorAll('.entry[data-alias]').forEach(element => {
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var data = font_data[element.dataset.alias];
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if (
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(!filters.style || data.style === filters.style) &&
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(!filters.rendering || data.rendering === filters.rendering) &&
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(!filters.liga ||
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(data.ligatures === false && filters.liga === 'no') ||
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(data.ligatures === true && filters.liga === 'yes')) &&
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(!filters.zerostyle || data.zerostyle === filters.zerostyle) &&
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(filters.author === 'all' || data.author === filters.author) &&
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(!filters.name || data.name.toLowerCase().indexOf(filters.name) > -1)
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) {
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element.classList.remove('filtered-out');
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count++;
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} else {
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element.classList.add('filtered-out');
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}
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});
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setCounter(count);
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}
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function renderSelectList() {
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var icon =
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'<svg class="octicon" viewBox="0 0 12 14" version="1.1" width="12" height="14" aria-hidden="true"><path fill-rule="evenodd" d="M11 10h1v3c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1V3c0-.55.45-1 1-1h3v1H1v10h10v-3zM6 2l2.25 2.25L5 7.5 6.5 9l3.25-3.25L12 8V2H6z"></path></svg>';
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var pinIcon =
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'<svg class="octicon octicon-pin" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M10 1.2V2l.5 1L6 6H2.2c-.44 0-.67.53-.34.86L5 10l-4 5 5-4 3.14 3.14a.5.5 0 0 0 .86-.34V10l3-4.5 1 .5h.8c.44 0 .67-.53.34-.86L10.86.86a.5.5 0 0 0-.86.34z"></path></svg>';
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var favoritesMap = {};
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var favorites = [];
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var ajax = new XMLHttpRequest();
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document.getElementById('select-font').innerHTML = '';
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try {
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favorites = JSON.parse(localStorage.getItem('favorites')) || [];
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favoritesMap = favorites.reduce((acc, alias) => {
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acc[alias] = true;
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return acc;
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}, {});
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} catch (err) {
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// eslint-disable-next-line no-console
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console.error('could not render favorites', err);
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}
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ajax.onreadystatechange = () => {
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var fonts = [];
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var authors = [];
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if (ajax.readyState === 4 && ajax.status === 200) {
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font_data = ajax.response;
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Object.keys(font_data).forEach(key => {
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var v = font_data[key];
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v.alias = key;
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fonts.push(v);
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if (authors.indexOf(v.author) < 0) {
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authors.push(v.author);
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}
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});
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}
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authors.sort();
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fonts.sort((a, b) => {
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if (favoritesMap[a.alias] && !favoritesMap[b.alias]) {
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return -1;
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}
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if (!favoritesMap[a.alias] && favoritesMap[b.alias]) {
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return 1;
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}
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if (a.name.toLowerCase() < b.name.toLowerCase()) {
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return -1;
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}
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if (a.name.toLowerCase() > b.name.toLowerCase()) {
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return 1;
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}
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return 0;
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});
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authors.forEach(author => {
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var option = document.createElement('option');
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option.innerHTML = author;
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document.getElementById('authors-list').querySelector('.other').appendChild(option);
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});
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fonts.forEach(v => {
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var option = document.createElement('div');
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option.classList.add('entry');
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if (favoritesMap[v.alias]) {
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option.classList.add('pinned');
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}
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option.setAttribute('data-alias', v.alias);
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option.innerHTML =
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`<a href="#${v.alias}" data-style="${v.style}"><span class="name">${v.name}</span><span class="details">${v.year} — ${v.author}</span></a><a class="favoritelink" onclick="toggleFavorite(\'${v.alias}\')">${pinIcon}</a><a class="website" href="${v.website}" rel="external"> <span>Website</span>${icon}</a>`;
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document.getElementById('select-font').appendChild(option);
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});
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selectFont();
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applyFilters();
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};
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ajax.responseType = 'json';
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ajax.open('GET', 'fonts.json', true);
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ajax.send();
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}
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// eslint-disable-next-line no-unused-vars
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function toggleFavorite(alias) {
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var favorites = [];
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try {
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favorites = JSON.parse(localStorage.getItem('favorites')) || [];
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if (favorites.indexOf(alias) > -1) {
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favorites = favorites.filter(v => {
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return v !== alias;
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});
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} else {
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favorites.push(alias);
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}
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localStorage.setItem('favorites', JSON.stringify(Array.from(new Set(favorites))));
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} catch (err) {
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// eslint-disable-next-line no-console
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console.error('could not save favorite', err);
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}
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renderSelectList();
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return false;
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}
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function walk(direction) {
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var activeEntry = document.querySelector('.entry.active');
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var target = null;
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var next = direction === 'up' ? activeEntry.previousElementSibling : activeEntry.nextElementSibling;
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while (target === null) {
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if (next) {
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if (next.matches('.entry:not(.filtered-out)')) {
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target = next;
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} else {
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next = direction === 'up' ? next.previousElementSibling : next.nextElementSibling;
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}
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} else {
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target = false;
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}
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}
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function isVisible(el) {
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var offset = document.getElementById('filters').getBoundingClientRect().height;
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var container = document.querySelector('section.select-list').getBoundingClientRect().height;
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if (direction === 'up') {
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if (el.getBoundingClientRect().top < offset) {
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return false;
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}
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} else {
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if (el.getBoundingClientRect().bottom > offset + container) {
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return false;
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}
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}
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return true;
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}
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if (target) {
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target.querySelector('a').click();
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if (!isVisible(target)) {
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target.scrollIntoView();
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}
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}
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}
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function increaseFontSize() {
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var sizeEl = document.getElementById('size');
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sizeEl.value = Number(sizeEl.value) + 1;
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sizeEl.onchange();
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}
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function decreaseFontSize() {
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var sizeEl = document.getElementById('size');
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sizeEl.value = Number(sizeEl.value) - 1;
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sizeEl.onchange();
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}
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function toggleFilter(filter) {
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// cycle through the possible values for each filter
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// and set the filters[filter] value,
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// or at the end of the cycle set it to false
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var options = {
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style: [false, 'sans', 'serif'],
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rendering: [false, 'vector', 'bitmap'],
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liga: [false, 'yes', 'no'],
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zerostyle: [false, 'slashed', 'dotted', 'empty'],
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};
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var current_index = options[filter].indexOf(filters[filter]);
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var next = current_index + 1;
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if (next < options[filter].length) {
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filters[filter] = options[filter][next];
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} else {
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filters[filter] = options[filter][0];
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}
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applyFilters();
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}
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window.addEventListener('DOMContentLoaded', () => {
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var cookieValueSpacing = document.cookie.replace(/(?:(?:^|.*;\s*)spacing\s*=\s*([^;]*).*$)|^.*$/, '$1');
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var cookieValueSize = document.cookie.replace(/(?:(?:^|.*;\s*)size\s*=\s*([^;]*).*$)|^.*$/, '$1');
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var cookieValueTheme = document.cookie.replace(/(?:(?:^|.*;\s*)theme\s*=\s*([^;]*).*$)|^.*$/, '$1');
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var cookieValueLanguage = document.cookie.replace(/(?:(?:^|.*;\s*)language\s*=\s*([^;]*).*$)|^.*$/, '$1');
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if (cookieValueSpacing !== '') {
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document.getElementById('spacing').value = cookieValueSpacing;
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}
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if (cookieValueSize !== '') {
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document.getElementById('size').value = cookieValueSize;
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}
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if (cookieValueTheme !== '') {
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document.getElementById('select-theme').value = cookieValueTheme;
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}
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if (cookieValueLanguage !== '') {
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document.getElementById('select-language').value = cookieValueLanguage;
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}
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renderSelectList();
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selectTheme();
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setSize();
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setSpacing();
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selectLanguage();
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function walkThemes(direction) {
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var select = document.getElementById('select-theme');
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var current = select.selectedOptions[0];
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var next;
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if (current) {
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next = direction === 'up' ? current.previousElementSibling : current.nextElementSibling;
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}
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if (next) {
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select.value = next.value;
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}
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selectTheme();
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}
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document.getElementById('theme-next').onclick = () => {
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walkThemes('down');
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};
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document.getElementById('theme-previous').onclick = () => {
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walkThemes('up');
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};
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document
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.getElementById('filters')
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.querySelectorAll('button')
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.forEach(button => {
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button.onclick = (event) => {
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event.preventDefault();
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event.stopPropagation();
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toggleFilter(button.value);
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};
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});
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document.getElementById('authors-list').onchange = (event) => {
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filters.author = event.target.value;
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applyFilters();
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};
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document.getElementById('name-search').onkeyup = (event) => {
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filters.name = event.target.value.toLowerCase();
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applyFilters();
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};
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document.querySelector('.select-list').onkeyup = (event) => {
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if (event.ctrlKey || event.altKey || event.metaKey || event.shiftKey) {
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return;
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}
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if (event.key === 'ArrowUp') {
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event.preventDefault();
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event.stopPropagation();
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walk('up');
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} else if (event.key === 'ArrowDown') {
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event.preventDefault();
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event.stopPropagation();
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walk('down');
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}
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};
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document.body.addEventListener('keydown', (event) => {
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if (event.ctrlKey || event.metaKey) {
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if (event.key === '-') {
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event.preventDefault();
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event.stopPropagation();
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decreaseFontSize();
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} else if (event.key === '=') {
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event.preventDefault();
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event.stopPropagation();
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increaseFontSize();
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}
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}
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});
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});
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