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10
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1 'use strict';
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2
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18
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3 let title = document.title;
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10
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4 let currentChatId = null;
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12
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5 let eventSource;
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10
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6
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16
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7 function evalEvent(event) {
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17
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8 // console.log(event);
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16
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9 eval(event.data);
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10 }
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11
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15
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12 function setUserEventSource(userId) {
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13 let userEventSource = new EventSource(`${location.origin}/user/${userId}`);
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16
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14 userEventSource.onmessage = evalEvent;
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15
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15 }
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16
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10
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17 function selectChat(div) {
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27
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18 document.querySelector('div[content]').setAttribute('show','posts');
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19 let chatId = div.getAttribute('chat');
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20 if( chatId === currentChatId )
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21 return;
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22 let selected = div.parentNode.querySelector('[selected]');
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23 if( selected ) selected.removeAttribute('selected');
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24 div.setAttribute('selected','');
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25 ajax(`get_chat.js?chat=${chatId}`);
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26 currentChatId = chatId;
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12
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27
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28 if(eventSource) eventSource.close();
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29 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
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30 eventSource.onmessage = evalEvent;
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12
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31 }
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32
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27
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33 function back() {
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34 document.querySelector('div[content]').setAttribute('show','chats');
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35 }
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36
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12
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37 function gotChat(html) {
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38 document.querySelector('div[posts]').innerHTML = html;
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19
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39 fixPosts();
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12
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40 document.querySelector('div[input] textarea').focus();
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41 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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10
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42 }
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43
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44 function fixTextarea(event) {
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45 let textarea = event.target;
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46 textarea.style.height = 'initial';
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47 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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48 textarea.scrollIntoViewIfNeeded(false);
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49 }
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50
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51 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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52
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53 function addPost() {
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54 let textarea = document.querySelector('div[input] textarea');
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55 let text = textarea.value;
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56 if( text.trim() === '' )
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57 return;
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24
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58 ajax(`add_post.js?chat=${currentChatId}`,`content=${encodeURIComponent(text)}`);
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59 textarea.value = '';
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60 }
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61
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62 function textareaKey(event) {
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63 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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64 event.preventDefault();
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65 addPost();
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66 }
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67 }
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68
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19
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69 function fixPosts() {
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70 let spans = document.querySelectorAll('span[when][fix]');
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71 for( let span of spans ) {
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72 span.textContent = new Date(Number(span.textContent)).toLocaleString();
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73 span.removeAttribute('fix');
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74 }
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19
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75 let divs = document.querySelectorAll('div[text][fix]');
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76 for( let div of divs ) {
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77 div.innerHTML = urlsToLinks(div.innerHTML);
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78 div.removeAttribute('fix');
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79 }
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10
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80 }
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81
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82 function deleteChat() {
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83 let dialog = document.querySelector('dialog[delete_chat]');
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84 openModal(dialog);
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85 }
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86
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87 function doDeleteChat(el) {
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88 closeModal(el);
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89 ajax(`delete_chat.js?chat=${currentChatId}`);
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90 }
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12
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91
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23
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92 let currentPostId;
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93
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94 function deletePost(postId) {
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95 currentPostId = postId;
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96 let dialog = document.querySelector('dialog[delete_post]');
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97 openModal(dialog);
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98 }
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99
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100 function doDeletePost(el) {
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101 closeModal(el);
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102 ajax(`delete_post.js?post=${currentPostId}`);
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103 }
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104
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105 function deleted(postId) {
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106 let div = document.querySelector(`div[post="${postId}"]`);
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107 if( div )
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108 div.outerHTML = '';
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109 }
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110
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24
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111 function editPost(postId) {
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112 ajax(`edit_post.js?post=${postId}`);
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113 }
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114
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115 function openEditPost(postId,text) {
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116 currentPostId = postId;
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117 let dialog = document.querySelector('dialog[edit_post]');
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118 let textarea = dialog.querySelector('textarea');
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119 textarea.value = text;
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120 openModal(dialog);
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121 }
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122
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123 function savePost(el) {
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124 let text = document.querySelector('dialog[edit_post] textarea').value;
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125 closeModal(el);
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126 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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127 }
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128
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129 function edited(postId,html) {
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130 let div = document.querySelector(`div[post="${postId}"]`);
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131 if( div ) {
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132 div.outerHTML = html;
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133 fixPosts();
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134 }
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135 }
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136
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12
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137 function added(html) {
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138 let input = document.querySelector('div[input]');
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139 input.insertAdjacentHTML('beforebegin',html);
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19
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140 fixPosts();
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12
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141 input.scrollIntoView({block: 'end'});
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18
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142 if( !document.hasFocus() )
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143 document.title = title + ' *';
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12
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144 }
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15
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145
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146 function getChats(chatId) {
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147 let first = document.querySelector('div[chat]');
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148 if( !first || first.getAttribute('chat') != chatId ) {
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149 // console.log('getChats');
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150 ajax('get_chats.js');
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151 }
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152 }
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153
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154 function gotChats(html) {
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155 document.querySelector('div[chats]').innerHTML = html;
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156 if( currentChatId ) {
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157 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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158 if( current ) {
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159 current.setAttribute('selected','');
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160 current.scrollIntoViewIfNeeded(false);
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161 } else {
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162 currentChatId = null;
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163 document.querySelector('div[posts]').innerHTML = '';
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164 }
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15
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165 }
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166 }
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18
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167
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168 window.onfocus = function() {
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169 document.title = title;
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170 };
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19
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171
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172 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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173
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174 function urlsToLinks(text) {
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175 return text.replace( urlRegex, '$1<a href="$2">$2</a>' );
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176 }
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22
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177
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178 let currentPulldown = null;
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179 let newPulldown = null;
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180
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181 function clickMenu(clicked,display) {
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182 //console.log("clickMenu");
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183 let pulldown = clicked.parentNode.querySelector('div');
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184 if( pulldown !== currentPulldown ) {
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185 pulldown.style.display = display || "block";
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186 newPulldown = pulldown;
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187 window.onclick = function() {
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188 //console.log("window.onclick");
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189 if( currentPulldown ) {
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190 currentPulldown.style.display = "none";
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191 if( !newPulldown )
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192 window.onclick = null;
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193 }
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194 currentPulldown = newPulldown;
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195 newPulldown = null;
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196 };
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197 pulldown.scrollIntoViewIfNeeded(false);
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198 }
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199 }
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