mirror of
https://github.com/rust-unofficial/patterns
synced 2024-11-18 15:25:37 +00:00
776 lines
23 KiB
JavaScript
776 lines
23 KiB
JavaScript
"use strict";
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// Fix back button cache problem
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window.onunload = function() {};
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function isPlaygroundModified(playground) {
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let code_block = playground.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() != editor.originalCode;
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} else {
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return false;
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}
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}
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// Global variable, shared between modules
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function playground_text(playground, hidden = true) {
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let code_block = playground.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 if (hidden) {
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return code_block.textContent;
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} else {
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return code_block.innerText;
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}
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}
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(function codeSnippets() {
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function fetch_with_timeout(url, options, timeout = 15000) {
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return Promise.race([
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fetch(url, options),
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new Promise((_, reject) =>
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setTimeout(() => reject(new Error("timeout")), timeout)
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),
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]);
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}
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var playgrounds = Array.from(document.querySelectorAll(".playground"));
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if (playgrounds.length > 0) {
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fetch_with_timeout("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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.then((response) => response.json())
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.then((response) => {
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// get list of crates available in the rust playground
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let playground_crates = response.crates.map((item) => item["id"]);
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playgrounds.forEach((block) =>
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handle_crate_list_update(block, playground_crates)
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);
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});
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}
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function handle_crate_list_update(playground_block, playground_crates) {
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// update the play buttons after receiving the response
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update_play_button(playground_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 = playground_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(playground_block, playground_crates);
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});
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// add Ctrl-Enter command to execute rust code
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editor.commands.addCommand({
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name: "run",
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bindKey: {
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win: "Ctrl-Enter",
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mac: "Ctrl-Enter",
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},
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exec: (_editor) => run_rust_code(playground_block),
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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 https://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 = playground_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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var item;
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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 = playground_text(code_block);
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let classes = code_block.querySelector("code").classList;
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let edition = "2015";
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if (classes.contains("edition2018")) {
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edition = "2018";
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} else if (classes.contains("edition2021")) {
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edition = "2021";
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}
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var params = {
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version: "stable",
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optimize: "0",
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code: text,
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edition: edition,
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};
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if (text.indexOf("#![feature") !== -1) {
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params.version = "nightly";
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}
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result_block.innerText = "Running...";
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const playgroundModified = isPlaygroundModified(code_block);
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const startTime = window.performance.now();
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fetch_with_timeout("https://play.rust-lang.org/evaluate.json", {
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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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.then((response) => response.json())
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.then((response) => {
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const endTime = window.performance.now();
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gtag("event", "playground", {
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modified: playgroundModified,
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error: response.error == null ? null : "compilation_error",
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latency: (endTime - startTime) / 1000,
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});
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if (response.result.trim() === "") {
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result_block.innerText = "No output";
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result_block.classList.add("result-no-output");
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} else {
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result_block.innerText = response.result;
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result_block.classList.remove("result-no-output");
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}
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})
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.catch((error) => {
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const endTime = window.performance.now();
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gtag("event", "playground", {
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modified: playgroundModified,
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error: error.message,
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latency: (endTime - startTime) / 1000,
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});
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result_block.innerText = "Playground Communication: " + error.message;
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});
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}
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// Syntax highlighting Configuration
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hljs.configure({
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tabReplace: " ", // 4 spaces
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languages: [], // Languages used for auto-detection
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});
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let code_nodes = Array.from(document.querySelectorAll("code"))
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// Don't highlight `inline code` blocks in headers.
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.filter(function(node) {
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return !node.parentElement.classList.contains("header");
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});
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if (window.ace) {
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// language-rust class needs to be removed for editable
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// blocks or highlightjs will capture events
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code_nodes
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.filter(function(node) {
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return node.classList.contains("editable");
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})
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.forEach(function(block) {
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block.classList.remove("language-rust");
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});
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code_nodes
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.filter(function(node) {
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return !node.classList.contains("editable");
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})
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.forEach(function(block) {
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hljs.highlightBlock(block);
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});
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} else {
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code_nodes.forEach(function(block) {
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hljs.highlightBlock(block);
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});
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}
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// Adding the hljs class gives code blocks the color css
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// even if highlighting doesn't apply
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code_nodes.forEach(function(block) {
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block.classList.add("hljs");
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});
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Array.from(document.querySelectorAll("code.hljs")).forEach(function(block) {
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var lines = Array.from(block.querySelectorAll(".boring"));
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// If no lines were hidden, return
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if (!lines.length) {
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return;
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}
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block.classList.add("hide-boring");
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var buttons = document.createElement("div");
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buttons.className = "buttons";
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buttons.innerHTML =
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"<button class=\"fa fa-eye\" title=\"Show hidden lines\" aria-label=\"Show hidden lines\"></button>";
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// add expand button
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var pre_block = block.parentNode;
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pre_block.insertBefore(buttons, pre_block.firstChild);
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pre_block.querySelector(".buttons").addEventListener("click", function(e) {
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if (e.target.classList.contains("fa-eye")) {
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e.target.classList.remove("fa-eye");
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e.target.classList.add("fa-eye-slash");
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e.target.title = "Hide lines";
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e.target.setAttribute("aria-label", e.target.title);
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block.classList.remove("hide-boring");
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} else if (e.target.classList.contains("fa-eye-slash")) {
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e.target.classList.remove("fa-eye-slash");
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e.target.classList.add("fa-eye");
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e.target.title = "Show hidden lines";
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e.target.setAttribute("aria-label", e.target.title);
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block.classList.add("hide-boring");
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}
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});
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});
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if (window.playground_copyable) {
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Array.from(document.querySelectorAll("pre code")).forEach(function(block) {
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var pre_block = block.parentNode;
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if (!pre_block.classList.contains("playground")) {
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var buttons = pre_block.querySelector(".buttons");
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if (!buttons) {
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buttons = document.createElement("div");
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buttons.className = "buttons";
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pre_block.insertBefore(buttons, pre_block.firstChild);
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}
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var clipButton = document.createElement("button");
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clipButton.className = "fa fa-copy clip-button";
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clipButton.title = "Copy to clipboard";
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clipButton.setAttribute("aria-label", clipButton.title);
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clipButton.innerHTML = "<i class=\"tooltiptext\"></i>";
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buttons.insertBefore(clipButton, buttons.firstChild);
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}
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});
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}
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// Process playground code blocks
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Array.from(document.querySelectorAll(".playground")).forEach(function(
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pre_block,
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) {
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// Add play button
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var buttons = pre_block.querySelector(".buttons");
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if (!buttons) {
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buttons = document.createElement("div");
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buttons.className = "buttons";
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pre_block.insertBefore(buttons, pre_block.firstChild);
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}
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var runCodeButton = document.createElement("button");
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runCodeButton.className = "fa fa-play play-button";
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runCodeButton.hidden = true;
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runCodeButton.title = "Run this code";
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runCodeButton.setAttribute("aria-label", runCodeButton.title);
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buttons.insertBefore(runCodeButton, buttons.firstChild);
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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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if (window.playground_copyable) {
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var copyCodeClipboardButton = document.createElement("button");
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copyCodeClipboardButton.className = "fa fa-copy clip-button";
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copyCodeClipboardButton.innerHTML = "<i class=\"tooltiptext\"></i>";
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copyCodeClipboardButton.title = "Copy to clipboard";
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copyCodeClipboardButton.setAttribute(
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"aria-label",
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copyCodeClipboardButton.title,
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);
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buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
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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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var undoChangesButton = document.createElement("button");
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undoChangesButton.className = "fa fa-history reset-button";
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undoChangesButton.title = "Undo changes";
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undoChangesButton.setAttribute("aria-label", undoChangesButton.title);
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buttons.insertBefore(undoChangesButton, buttons.firstChild);
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undoChangesButton.addEventListener("click", function() {
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let editor = window.ace.edit(code_block);
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editor.setValue(editor.originalCode);
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editor.clearSelection();
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});
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}
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});
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})();
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(function themes() {
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var html = document.querySelector("html");
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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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themeToggleButton.setAttribute("aria-expanded", true);
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themePopup.querySelector("button#" + get_theme()).focus();
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}
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function updateThemeSelected() {
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themePopup.querySelectorAll(".theme-selected").forEach(function(el) {
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el.classList.remove("theme-selected");
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});
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themePopup
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.querySelector("button#" + get_theme())
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.classList.add("theme-selected");
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}
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function hideThemes() {
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themePopup.style.display = "none";
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themeToggleButton.setAttribute("aria-expanded", false);
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themeToggleButton.focus();
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}
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function get_theme() {
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var theme;
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try {
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theme = localStorage.getItem("mdbook-theme");
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} catch (e) {}
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if (theme === null || theme === undefined) {
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return default_theme;
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} else {
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return theme;
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}
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}
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function set_theme(theme, store = true) {
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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;
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stylesheets.highlight.disabled = true;
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ace_theme = "ace/theme/tomorrow_night";
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} else if (theme == "ayu") {
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stylesheets.ayuHighlight.disabled = false;
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stylesheets.tomorrowNight.disabled = true;
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stylesheets.highlight.disabled = true;
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ace_theme = "ace/theme/tomorrow_night";
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} else {
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stylesheets.ayuHighlight.disabled = true;
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stylesheets.tomorrowNight.disabled = true;
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stylesheets.highlight.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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themeColorMetaTag.content = getComputedStyle(
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document.documentElement,
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).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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var previousTheme = get_theme();
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if (store) {
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try {
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localStorage.setItem("mdbook-theme", theme);
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} catch (e) {}
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}
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html.classList.remove(previousTheme);
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html.classList.add(theme);
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updateThemeSelected();
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}
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// Set theme
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var theme = get_theme();
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set_theme(theme, false);
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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;
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if (e.target.className === "theme") {
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theme = e.target.id;
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} else if (e.target.parentElement.className === "theme") {
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theme = e.target.parentElement.id;
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} else {
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return;
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}
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set_theme(theme);
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});
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themePopup.addEventListener("focusout", function(e) {
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// e.relatedTarget is null in Safari and Firefox on macOS (see workaround below)
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if (
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!!e.relatedTarget
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&& !themeToggleButton.contains(e.relatedTarget)
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&& !themePopup.contains(e.relatedTarget)
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) {
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hideThemes();
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}
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});
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// Should not be needed, but it works around an issue on macOS & iOS: https://github.com/rust-lang/mdBook/issues/628
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document.addEventListener("click", function(e) {
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if (
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themePopup.style.display === "block"
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&& !themeToggleButton.contains(e.target)
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&& !themePopup.contains(e.target)
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) {
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hideThemes();
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}
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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) {
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return;
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}
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if (!themePopup.contains(e.target)) {
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return;
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}
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switch (e.key) {
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case "Escape":
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e.preventDefault();
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hideThemes();
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break;
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case "ArrowUp":
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e.preventDefault();
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var li = document.activeElement.parentElement;
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if (li && li.previousElementSibling) {
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li.previousElementSibling.querySelector("button").focus();
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}
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break;
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case "ArrowDown":
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e.preventDefault();
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var li = document.activeElement.parentElement;
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if (li && li.nextElementSibling) {
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li.nextElementSibling.querySelector("button").focus();
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}
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break;
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case "Home":
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e.preventDefault();
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themePopup.querySelector("li:first-child button").focus();
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break;
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case "End":
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e.preventDefault();
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themePopup.querySelector("li:last-child button").focus();
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break;
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}
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});
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})();
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(function sidebar() {
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var html = document.querySelector("html");
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var sidebar = document.getElementById("sidebar");
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var sidebarLinks = document.querySelectorAll("#sidebar a");
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var sidebarToggleButton = document.getElementById("sidebar-toggle");
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var sidebarResizeHandle = document.getElementById("sidebar-resize-handle");
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var firstContact = null;
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function showSidebar() {
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html.classList.remove("sidebar-hidden");
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html.classList.add("sidebar-visible");
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Array.from(sidebarLinks).forEach(function(link) {
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link.setAttribute("tabIndex", 0);
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});
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sidebarToggleButton.setAttribute("aria-expanded", true);
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sidebar.setAttribute("aria-hidden", false);
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try {
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localStorage.setItem("mdbook-sidebar", "visible");
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} catch (e) {}
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}
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var sidebarAnchorToggles = document.querySelectorAll("#sidebar a.toggle");
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function toggleSection(ev) {
|
|
ev.currentTarget.parentElement.classList.toggle("expanded");
|
|
}
|
|
|
|
Array.from(sidebarAnchorToggles).forEach(function(el) {
|
|
el.addEventListener("click", toggleSection);
|
|
});
|
|
|
|
function hideSidebar() {
|
|
html.classList.remove("sidebar-visible");
|
|
html.classList.add("sidebar-hidden");
|
|
Array.from(sidebarLinks).forEach(function(link) {
|
|
link.setAttribute("tabIndex", -1);
|
|
});
|
|
sidebarToggleButton.setAttribute("aria-expanded", false);
|
|
sidebar.setAttribute("aria-hidden", true);
|
|
try {
|
|
localStorage.setItem("mdbook-sidebar", "hidden");
|
|
} catch (e) {}
|
|
}
|
|
|
|
// Toggle sidebar
|
|
sidebarToggleButton.addEventListener("click", function sidebarToggle() {
|
|
if (html.classList.contains("sidebar-hidden")) {
|
|
var current_width = parseInt(
|
|
document.documentElement.style.getPropertyValue("--sidebar-width"),
|
|
10,
|
|
);
|
|
if (current_width < 150) {
|
|
document.documentElement.style.setProperty("--sidebar-width", "150px");
|
|
}
|
|
showSidebar();
|
|
} else if (html.classList.contains("sidebar-visible")) {
|
|
hideSidebar();
|
|
} else {
|
|
if (getComputedStyle(sidebar)["transform"] === "none") {
|
|
hideSidebar();
|
|
} else {
|
|
showSidebar();
|
|
}
|
|
}
|
|
});
|
|
|
|
sidebarResizeHandle.addEventListener("mousedown", initResize, false);
|
|
|
|
function initResize(e) {
|
|
window.addEventListener("mousemove", resize, false);
|
|
window.addEventListener("mouseup", stopResize, false);
|
|
html.classList.add("sidebar-resizing");
|
|
}
|
|
function resize(e) {
|
|
var pos = e.clientX - sidebar.offsetLeft;
|
|
if (pos < 20) {
|
|
hideSidebar();
|
|
} else {
|
|
if (html.classList.contains("sidebar-hidden")) {
|
|
showSidebar();
|
|
}
|
|
pos = Math.min(pos, window.innerWidth - 100);
|
|
document.documentElement.style.setProperty("--sidebar-width", pos + "px");
|
|
}
|
|
}
|
|
// on mouseup remove windows functions mousemove & mouseup
|
|
function stopResize(e) {
|
|
html.classList.remove("sidebar-resizing");
|
|
window.removeEventListener("mousemove", resize, false);
|
|
window.removeEventListener("mouseup", stopResize, false);
|
|
}
|
|
|
|
document.addEventListener(
|
|
"touchstart",
|
|
function(e) {
|
|
firstContact = {
|
|
x: e.touches[0].clientX,
|
|
time: Date.now(),
|
|
};
|
|
},
|
|
{ passive: true },
|
|
);
|
|
|
|
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;
|
|
}
|
|
},
|
|
{ passive: true },
|
|
);
|
|
})();
|
|
|
|
(function chapterNavigation() {
|
|
document.addEventListener("keydown", function(e) {
|
|
if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) {
|
|
return;
|
|
}
|
|
if (window.search && window.search.hasFocus()) {
|
|
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 ClipboardJS(".clip-button", {
|
|
text: function(trigger) {
|
|
hideTooltip(trigger);
|
|
let playground = trigger.closest("pre");
|
|
return playground_text(playground, false);
|
|
},
|
|
});
|
|
|
|
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 scrollToTop() {
|
|
var menuTitle = document.querySelector(".menu-title");
|
|
|
|
menuTitle.addEventListener("click", function() {
|
|
document.scrollingElement.scrollTo({ top: 0, behavior: "smooth" });
|
|
});
|
|
})();
|
|
|
|
(function controllMenu() {
|
|
var menu = document.getElementById("menu-bar");
|
|
|
|
(function controllPosition() {
|
|
var scrollTop = document.scrollingElement.scrollTop;
|
|
var prevScrollTop = scrollTop;
|
|
var minMenuY = -menu.clientHeight - 50;
|
|
// When the script loads, the page can be at any scroll (e.g. if you reforesh it).
|
|
menu.style.top = scrollTop + "px";
|
|
// Same as parseInt(menu.style.top.slice(0, -2), but faster
|
|
var topCache = menu.style.top.slice(0, -2);
|
|
menu.classList.remove("sticky");
|
|
var stickyCache = false; // Same as menu.classList.contains('sticky'), but faster
|
|
document.addEventListener(
|
|
"scroll",
|
|
function() {
|
|
scrollTop = Math.max(document.scrollingElement.scrollTop, 0);
|
|
// `null` means that it doesn't need to be updated
|
|
var nextSticky = null;
|
|
var nextTop = null;
|
|
var scrollDown = scrollTop > prevScrollTop;
|
|
var menuPosAbsoluteY = topCache - scrollTop;
|
|
if (scrollDown) {
|
|
nextSticky = false;
|
|
if (menuPosAbsoluteY > 0) {
|
|
nextTop = prevScrollTop;
|
|
}
|
|
} else {
|
|
if (menuPosAbsoluteY > 0) {
|
|
nextSticky = true;
|
|
} else if (menuPosAbsoluteY < minMenuY) {
|
|
nextTop = prevScrollTop + minMenuY;
|
|
}
|
|
}
|
|
if (nextSticky === true && stickyCache === false) {
|
|
menu.classList.add("sticky");
|
|
stickyCache = true;
|
|
} else if (nextSticky === false && stickyCache === true) {
|
|
menu.classList.remove("sticky");
|
|
stickyCache = false;
|
|
}
|
|
if (nextTop !== null) {
|
|
menu.style.top = nextTop + "px";
|
|
topCache = nextTop;
|
|
}
|
|
prevScrollTop = scrollTop;
|
|
},
|
|
{ passive: true },
|
|
);
|
|
})();
|
|
(function controllBorder() {
|
|
function updateBorder() {
|
|
if (menu.offsetTop === 0) {
|
|
menu.classList.remove("bordered");
|
|
} else {
|
|
menu.classList.add("bordered");
|
|
}
|
|
}
|
|
updateBorder();
|
|
document.addEventListener("scroll", updateBorder, { passive: true });
|
|
})();
|
|
})();
|