refactor(theme/book): Split into modules (#556)
Advantages: - Easier to reason about - Can easily disable some modules when debugging - Shared dependencies are explicit (playpen_text) - Enables some fancier things later one (e.g. run `codeSnippets` slightly later, to avoid blocking the page) I'm aware that `codeSnippets` should be split into the highlighter and the editor, but I'm not sure I understand exactly how they interact so I've left it as it is for now.
This commit is contained in:
Sorin Davidoi
Michael Bryan
parent
9fe19d8f31
commit
05e4157c2e
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@ -1,18 +1,115 @@
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var html, sidebar, sidebarLinks, sidebarToggleButton, themeToggleButton, themePopup;
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document.addEventListener('DOMContentLoaded', function() {
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// url
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var url = window.location.pathname;
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// Fix back button cache problem
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window.onunload = function () { };
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// Set theme
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var theme = store.get('mdbook-theme');
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if (theme === null || theme === undefined) { theme = 'light'; }
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// Global variable, shared between modules
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function playpen_text(playpen) {
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let code_block = playpen.querySelector("code");
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set_theme(theme);
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if (window.ace && code_block.classList.contains("editable")) {
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let editor = window.ace.edit(code_block);
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return editor.getValue();
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} else {
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return code_block.textContent;
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}
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}
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(function codeSnippets() {
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// Hide Rust code lines prepended with a specific character
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var hiding_character = "#";
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var request = fetch("https://play.rust-lang.org/meta/crates", {
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headers: {
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'Content-Type': "application/json",
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},
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method: 'POST',
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mode: 'cors',
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});
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function handle_crate_list_update(playpen_block, playground_crates) {
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// update the play buttons after receiving the response
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update_play_button(playpen_block, playground_crates);
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// and install on change listener to dynamically update ACE editors
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if (window.ace) {
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let code_block = playpen_block.querySelector("code");
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if (code_block.classList.contains("editable")) {
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let editor = window.ace.edit(code_block);
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editor.addEventListener("change", function (e) {
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update_play_button(playpen_block, playground_crates);
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});
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}
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}
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}
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// updates the visibility of play button based on `no_run` class and
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// used crates vs ones available on http://play.rust-lang.org
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function update_play_button(pre_block, playground_crates) {
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var play_button = pre_block.querySelector(".play-button");
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// skip if code is `no_run`
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if (pre_block.querySelector('code').classList.contains("no_run")) {
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play_button.classList.add("hidden");
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return;
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}
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// get list of `extern crate`'s from snippet
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var txt = playpen_text(pre_block);
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var re = /extern\s+crate\s+([a-zA-Z_0-9]+)\s*;/g;
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var snippet_crates = [];
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while (item = re.exec(txt)) {
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snippet_crates.push(item[1]);
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}
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// check if all used crates are available on play.rust-lang.org
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var all_available = snippet_crates.every(function (elem) {
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return playground_crates.indexOf(elem) > -1;
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});
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if (all_available) {
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play_button.classList.remove("hidden");
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} else {
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play_button.classList.add("hidden");
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}
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}
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function run_rust_code(code_block) {
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var result_block = code_block.querySelector(".result");
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if (!result_block) {
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result_block = document.createElement('code');
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result_block.className = 'result hljs language-bash';
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code_block.append(result_block);
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}
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let text = playpen_text(code_block);
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var params = {
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channel: "stable",
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mode: "debug",
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crateType: "bin",
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tests: false,
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code: text,
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}
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if (text.indexOf("#![feature") !== -1) {
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params.channel = "nightly";
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}
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result_block.innerText = "Running...";
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var request = fetch("https://play.rust-lang.org/execute", {
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headers: {
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'Content-Type': "application/json",
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},
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method: 'POST',
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mode: 'cors',
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body: JSON.stringify(params)
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});
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request
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.then(function (response) { return response.json(); })
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.then(function (response) { result_block.innerText = response.success ? response.stdout : response.stderr; })
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.catch(function (error) { result_block.innerText = "Playground communication" + error.message; });
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}
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// Syntax highlighting Configuration
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hljs.configure({
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@ -42,143 +139,6 @@ document.addEventListener('DOMContentLoaded', function() {
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.from(document.querySelectorAll('code'))
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.forEach(function (block) { block.classList.add('hljs'); });
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var KEY_CODES = {
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PREVIOUS_KEY: 37,
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NEXT_KEY: 39,
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ESCAPE_KEY: 27,
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};
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document.addEventListener('keydown', function (e) {
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if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
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switch (e.keyCode) {
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case KEY_CODES.NEXT_KEY:
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e.preventDefault();
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var nextButton = document.querySelector('.nav-chapters.next');
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if(nextButton) {
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window.location.href = nextButton.href;
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}
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break;
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case KEY_CODES.PREVIOUS_KEY:
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e.preventDefault();
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var previousButton = document.querySelector('.nav-chapters.previous');
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if(previousButton) {
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window.location.href = previousButton.href;
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}
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break;
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case KEY_CODES.ESCAPE_KEY:
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e.preventDefault();
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hideThemes();
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break;
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}
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});
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// Interesting DOM Elements
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html = document.querySelector('html');
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sidebar = document.getElementById("sidebar");
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sidebarLinks = document.querySelectorAll('#sidebar a');
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sidebarToggleButton = document.getElementById("sidebar-toggle");
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themeToggleButton = document.getElementById('theme-toggle');
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themePopup = document.getElementById('theme-list');
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// Toggle sidebar
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sidebarToggleButton.addEventListener('click', sidebarToggle);
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// Scroll sidebar to current active section
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var activeSection = sidebar.querySelector(".active");
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if(activeSection) {
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sidebar.scrollTop = activeSection.offsetTop;
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}
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var firstContact = null;
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document.addEventListener('touchstart', function(e) {
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firstContact = {
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x: e.touches[0].clientX,
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time: Date.now()
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};
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});
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document.addEventListener('touchmove', function(e) {
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if (!firstContact)
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return;
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var curX = e.touches[0].clientX;
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var xDiff = curX - firstContact.x,
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tDiff = Date.now() - firstContact.time;
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if (tDiff < 250 && Math.abs(xDiff) >= 150) {
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if (xDiff >= 0 && firstContact.x < Math.min(document.body.clientWidth * 0.25, 300))
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showSidebar();
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else if (xDiff < 0 && curX < 300)
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hideSidebar();
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firstContact = null;
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}
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});
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// Theme button
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themeToggleButton.addEventListener('click', function(){
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if (themePopup.style.display === 'block') {
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hideThemes();
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} else {
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showThemes();
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}
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});
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themePopup.addEventListener('click', function(e){
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var theme = e.target.id || e.target.parentElement.id;
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set_theme(theme);
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});
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// Hide theme selector popup when clicking outside of it
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document.addEventListener('click', function(event){
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if(themePopup.style.display === 'block' && !themeToggleButton.contains(event.target) && !themePopup.contains(event.target)) {
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hideThemes();
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}
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});
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function set_theme(theme) {
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let ace_theme;
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if (theme == 'coal' || theme == 'navy') {
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document.querySelector("[href='ayu-highlight.css']").disabled = true;
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document.querySelector("[href='tomorrow-night.css']").disabled = false;
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document.querySelector("[href='highlight.css']").disabled = true;
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ace_theme = "ace/theme/tomorrow_night";
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} else if (theme == 'ayu') {
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document.querySelector("[href='ayu-highlight.css']").disabled = false;
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document.querySelector("[href='tomorrow-night.css']").disabled = true;
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document.querySelector("[href='highlight.css']").disabled = true;
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ace_theme = "ace/theme/tomorrow_night";
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} else {
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document.querySelector("[href='ayu-highlight.css']").disabled = true;
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document.querySelector("[href='tomorrow-night.css']").disabled = true;
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document.querySelector("[href='highlight.css']").disabled = false;
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ace_theme = "ace/theme/dawn";
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}
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setTimeout(function() {
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document.querySelector('meta[name="theme-color"]').content = getComputedStyle(document.body).backgroundColor;
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}, 1);
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if (window.ace && window.editors) {
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window.editors.forEach(function(editor) {
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editor.setTheme(ace_theme);
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});
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}
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store.set('mdbook-theme', theme);
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document.body.className = theme;
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}
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// Hide Rust code lines prepended with a specific character
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var hiding_character = "#";
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Array.from(document.querySelectorAll("code.language-rust")).forEach(function (block) {
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var code_block = block;
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@ -260,9 +220,6 @@ document.addEventListener('DOMContentLoaded', function() {
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clipButton.innerHTML = '<i class=\"tooltiptext\"></i>';
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buttons.prepend(clipButton);
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clipButton.addEventListener('mouseout', function(e){
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hideTooltip(e.currentTarget);
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});
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}
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});
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@ -292,9 +249,6 @@ document.addEventListener('DOMContentLoaded', function() {
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runCodeButton.addEventListener('click', function (e) {
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run_rust_code(pre_block);
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});
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copyCodeClipboardButton.addEventListener('mouseout', function(e){
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hideTooltip(e.currentTarget);
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});
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let code_block = pre_block.querySelector("code");
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if (window.ace && code_block.classList.contains("editable")) {
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@ -312,29 +266,6 @@ document.addEventListener('DOMContentLoaded', function() {
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}
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});
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var clipboardSnippets = new Clipboard('.clip-button', {
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text: function(trigger) {
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hideTooltip(trigger);
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let playpen = trigger.closest("pre");
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return playpen_text(playpen);
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}
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});
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clipboardSnippets.on('success', function(e) {
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e.clearSelection();
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showTooltip(e.trigger, "Copied!");
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});
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clipboardSnippets.on('error', function(e) {
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showTooltip(e.trigger, "Clipboard error!");
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});
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var request = fetch("https://play.rust-lang.org/meta/crates", {
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headers: {
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'Content-Type': "application/json",
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},
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method: 'POST',
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mode: 'cors',
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});
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request
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.then(function (response) { return response.json(); })
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.then(function (response) {
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@ -345,90 +276,17 @@ document.addEventListener('DOMContentLoaded', function() {
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});
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});
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});
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})();
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function playpen_text(playpen) {
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let code_block = playpen.querySelector("code");
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if (window.ace && code_block.classList.contains("editable")) {
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let editor = window.ace.edit(code_block);
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return editor.getValue();
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} else {
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return code_block.textContent;
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}
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}
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function handle_crate_list_update(playpen_block, playground_crates) {
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// update the play buttons after receiving the response
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update_play_button(playpen_block, playground_crates);
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|
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// and install on change listener to dynamically update ACE editors
|
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if (window.ace) {
|
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let code_block = playpen_block.querySelector("code");
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if (code_block.classList.contains("editable")) {
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let editor = window.ace.edit(code_block);
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editor.addEventListener("change", function(e){
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update_play_button(playpen_block, playground_crates);
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});
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}
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}
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}
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// updates the visibility of play button based on `no_run` class and
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// used crates vs ones available on http://play.rust-lang.org
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function update_play_button(pre_block, playground_crates) {
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var play_button = pre_block.querySelector(".play-button");
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// skip if code is `no_run`
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if (pre_block.querySelector('code').classList.contains("no_run")) {
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play_button.classList.add("hidden");
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return;
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}
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// get list of `extern crate`'s from snippet
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var txt = playpen_text(pre_block);
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var re = /extern\s+crate\s+([a-zA-Z_0-9]+)\s*;/g;
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var snippet_crates = [];
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while (item = re.exec(txt)) {
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snippet_crates.push(item[1]);
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}
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// check if all used crates are available on play.rust-lang.org
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var all_available = snippet_crates.every(function(elem) {
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return playground_crates.indexOf(elem) > -1;
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});
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if (all_available) {
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play_button.classList.remove("hidden");
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} else {
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play_button.classList.add("hidden");
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}
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}
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function hideTooltip(elem) {
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elem.firstChild.innerText="";
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elem.className = 'fa fa-copy clip-button';
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}
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function showTooltip(elem, msg) {
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elem.firstChild.innerText=msg;
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elem.className = 'fa fa-copy tooltipped';
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}
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function sidebarToggle() {
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var html = document.querySelector("html");
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if (html.classList.contains("sidebar-hidden")) {
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showSidebar();
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} else if (html.classList.contains("sidebar-visible")) {
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hideSidebar();
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} else {
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if (getComputedStyle(sidebar)['transform'] === 'none'){
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hideSidebar();
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} else {
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showSidebar();
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}
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}
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}
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(function themes() {
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var themeToggleButton = document.getElementById('theme-toggle');
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var themePopup = document.getElementById('theme-list');
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||||
var themeColorMetaTag = document.querySelector('meta[name="theme-color"]');
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var stylesheets = {
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ayuHighlight: document.querySelector("[href='ayu-highlight.css']"),
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tomorrowNight: document.querySelector("[href='tomorrow-night.css']"),
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highlight: document.querySelector("[href='highlight.css']"),
|
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};
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function showThemes() {
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||||
themePopup.style.display = 'block';
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@ -440,6 +298,87 @@ function hideThemes() {
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themeToggleButton.setAttribute('aria-expanded', false);
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||||
}
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||||
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||||
function set_theme(theme) {
|
||||
let ace_theme;
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if (theme == 'coal' || theme == 'navy') {
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stylesheets.ayuHighlight.disabled = true;
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||||
stylesheets.tomorrowNight.disabled = false;
|
||||
stylesheets.highlight.disabled = true;
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||||
|
||||
ace_theme = "ace/theme/tomorrow_night";
|
||||
} else if (theme == 'ayu') {
|
||||
stylesheets.ayuHighlight.disabled = false;
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||||
stylesheets.tomorrowNight.disabled = true;
|
||||
stylesheets.highlight.disabled = true;
|
||||
|
||||
ace_theme = "ace/theme/tomorrow_night";
|
||||
} else {
|
||||
stylesheets.ayuHighlight.disabled = true;
|
||||
stylesheets.tomorrowNight.disabled = true;
|
||||
stylesheets.highlight.disabled = false;
|
||||
|
||||
ace_theme = "ace/theme/dawn";
|
||||
}
|
||||
|
||||
setTimeout(function () {
|
||||
themeColorMetaTag.content = getComputedStyle(document.body).backgroundColor;
|
||||
}, 1);
|
||||
|
||||
if (window.ace && window.editors) {
|
||||
window.editors.forEach(function (editor) {
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||||
editor.setTheme(ace_theme);
|
||||
});
|
||||
}
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||||
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||||
store.set('mdbook-theme', theme);
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||||
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||||
document.body.className = theme;
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||||
}
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||||
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||||
// Set theme
|
||||
var theme = store.get('mdbook-theme');
|
||||
if (theme === null || theme === undefined) { theme = 'light'; }
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||||
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||||
set_theme(theme);
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||||
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||||
themeToggleButton.addEventListener('click', function () {
|
||||
if (themePopup.style.display === 'block') {
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||||
hideThemes();
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||||
} else {
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||||
showThemes();
|
||||
}
|
||||
});
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||||
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||||
themePopup.addEventListener('click', function (e) {
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||||
var theme = e.target.id || e.target.parentElement.id;
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||||
set_theme(theme);
|
||||
});
|
||||
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||||
// Hide theme selector popup when clicking outside of it
|
||||
document.addEventListener('click', function (event) {
|
||||
if (themePopup.style.display === 'block' && !themeToggleButton.contains(event.target) && !themePopup.contains(event.target)) {
|
||||
hideThemes();
|
||||
}
|
||||
});
|
||||
|
||||
document.addEventListener('keydown', function (e) {
|
||||
switch (e.key) {
|
||||
case 'Escape':
|
||||
e.preventDefault();
|
||||
hideThemes();
|
||||
break;
|
||||
}
|
||||
});
|
||||
})();
|
||||
|
||||
(function sidebar() {
|
||||
var html = document.querySelector("html");
|
||||
var sidebar = document.getElementById("sidebar");
|
||||
var sidebarLinks = document.querySelectorAll('#sidebar a');
|
||||
var sidebarToggleButton = document.getElementById("sidebar-toggle");
|
||||
var firstContact = null;
|
||||
|
||||
function showSidebar() {
|
||||
html.classList.remove('sidebar-hidden')
|
||||
html.classList.add('sidebar-visible');
|
||||
|
|
@ -462,45 +401,112 @@ function hideSidebar() {
|
|||
store.set('mdbook-sidebar', 'hidden');
|
||||
}
|
||||
|
||||
function run_rust_code(code_block) {
|
||||
var result_block = code_block.querySelector(".result");
|
||||
if(!result_block) {
|
||||
result_block = document.createElement('code');
|
||||
result_block.className = 'result hljs language-bash';
|
||||
|
||||
code_block.append(result_block);
|
||||
// Toggle sidebar
|
||||
sidebarToggleButton.addEventListener('click', function sidebarToggle() {
|
||||
if (html.classList.contains("sidebar-hidden")) {
|
||||
showSidebar();
|
||||
} else if (html.classList.contains("sidebar-visible")) {
|
||||
hideSidebar();
|
||||
} else {
|
||||
if (getComputedStyle(sidebar)['transform'] === 'none') {
|
||||
hideSidebar();
|
||||
} else {
|
||||
showSidebar();
|
||||
}
|
||||
|
||||
let text = playpen_text(code_block);
|
||||
|
||||
var params = {
|
||||
channel: "stable",
|
||||
mode: "debug",
|
||||
crateType: "bin",
|
||||
tests: false,
|
||||
code: text,
|
||||
}
|
||||
|
||||
if(text.indexOf("#![feature") !== -1) {
|
||||
params.channel = "nightly";
|
||||
}
|
||||
|
||||
result_block.innerText = "Running...";
|
||||
|
||||
var request = fetch("https://play.rust-lang.org/execute", {
|
||||
headers: {
|
||||
'Content-Type': "application/json",
|
||||
},
|
||||
method: 'POST',
|
||||
mode: 'cors',
|
||||
body: JSON.stringify(params)
|
||||
});
|
||||
|
||||
request
|
||||
.then(function(response) { return response.json(); })
|
||||
.then(function(response) { result_block.innerText = response.success ? response.stdout : response.stderr; })
|
||||
.catch(function(error) { result_block.innerText = "Playground communication" + error.message; });
|
||||
document.addEventListener('touchstart', function (e) {
|
||||
firstContact = {
|
||||
x: e.touches[0].clientX,
|
||||
time: Date.now()
|
||||
};
|
||||
});
|
||||
|
||||
document.addEventListener('touchmove', function (e) {
|
||||
if (!firstContact)
|
||||
return;
|
||||
|
||||
var curX = e.touches[0].clientX;
|
||||
var xDiff = curX - firstContact.x,
|
||||
tDiff = Date.now() - firstContact.time;
|
||||
|
||||
if (tDiff < 250 && Math.abs(xDiff) >= 150) {
|
||||
if (xDiff >= 0 && firstContact.x < Math.min(document.body.clientWidth * 0.25, 300))
|
||||
showSidebar();
|
||||
else if (xDiff < 0 && curX < 300)
|
||||
hideSidebar();
|
||||
|
||||
firstContact = null;
|
||||
}
|
||||
});
|
||||
|
||||
// Scroll sidebar to current active section
|
||||
var activeSection = sidebar.querySelector(".active");
|
||||
if (activeSection) {
|
||||
sidebar.scrollTop = activeSection.offsetTop;
|
||||
}
|
||||
})();
|
||||
|
||||
(function chapterNavigation() {
|
||||
document.addEventListener('keydown', function (e) {
|
||||
if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
|
||||
|
||||
switch (e.key) {
|
||||
case 'ArrowRight':
|
||||
e.preventDefault();
|
||||
var nextButton = document.querySelector('.nav-chapters.next');
|
||||
if (nextButton) {
|
||||
window.location.href = nextButton.href;
|
||||
}
|
||||
break;
|
||||
case 'ArrowLeft':
|
||||
e.preventDefault();
|
||||
var previousButton = document.querySelector('.nav-chapters.previous');
|
||||
if (previousButton) {
|
||||
window.location.href = previousButton.href;
|
||||
}
|
||||
break;
|
||||
}
|
||||
});
|
||||
})();
|
||||
|
||||
(function clipboard() {
|
||||
var clipButtons = document.querySelectorAll('.clip-button');
|
||||
|
||||
function hideTooltip(elem) {
|
||||
elem.firstChild.innerText = "";
|
||||
elem.className = 'fa fa-copy clip-button';
|
||||
}
|
||||
|
||||
function showTooltip(elem, msg) {
|
||||
elem.firstChild.innerText = msg;
|
||||
elem.className = 'fa fa-copy tooltipped';
|
||||
}
|
||||
|
||||
var clipboardSnippets = new Clipboard('.clip-button', {
|
||||
text: function (trigger) {
|
||||
hideTooltip(trigger);
|
||||
let playpen = trigger.closest("pre");
|
||||
return playpen_text(playpen);
|
||||
}
|
||||
});
|
||||
|
||||
Array.from(clipButtons).forEach(function (clipButton) {
|
||||
clipButton.addEventListener('mouseout', function (e) {
|
||||
hideTooltip(e.currentTarget);
|
||||
});
|
||||
});
|
||||
|
||||
clipboardSnippets.on('success', function (e) {
|
||||
e.clearSelection();
|
||||
showTooltip(e.trigger, "Copied!");
|
||||
});
|
||||
|
||||
clipboardSnippets.on('error', function (e) {
|
||||
showTooltip(e.trigger, "Clipboard error!");
|
||||
});
|
||||
})();
|
||||
|
||||
(function autoHideMenu() {
|
||||
var scrollingContainer = document.querySelector('html');
|
||||
|
|
@ -524,6 +530,5 @@ function run_rust_code(code_block) {
|
|||
}
|
||||
|
||||
previousScrollTop = scrollingContainer.scrollTop;
|
||||
hideThemes();
|
||||
}, { passive: true });
|
||||
})();
|
||||
|
|
|
|||
Loading…
Reference in New Issue