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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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30
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6 let lastUpdate;
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10
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7
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16
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8 function evalEvent(event) {
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17
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9 // console.log(event);
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16
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10 eval(event.data);
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11 }
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12
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15
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13 function setUserEventSource(userId) {
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14 let userEventSource = new EventSource(`${location.origin}/user/${userId}`);
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16
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15 userEventSource.onmessage = evalEvent;
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15
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16 }
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17
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10
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18 function selectChat(div) {
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27
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19 document.querySelector('div[content]').setAttribute('show','posts');
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10
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20 let chatId = div.getAttribute('chat');
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21 if( chatId === currentChatId )
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22 return;
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23 let selected = div.parentNode.querySelector('[selected]');
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24 if( selected ) selected.removeAttribute('selected');
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25 div.setAttribute('selected','');
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26 ajax(`get_chat.js?chat=${chatId}`);
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27 currentChatId = chatId;
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12
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28
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29 if(eventSource) eventSource.close();
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30 eventSource = new EventSource(`${location.origin}/chat/${chatId}`);
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31 eventSource.onmessage = evalEvent;
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12
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32 }
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33
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27
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34 function back() {
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35 document.querySelector('div[content]').setAttribute('show','chats');
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36 }
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37
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12
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38 function gotChat(html) {
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39 document.querySelector('div[posts]').innerHTML = html;
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19
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40 fixPosts();
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12
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41 document.querySelector('div[input] textarea').focus();
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42 document.querySelector('div[input]').scrollIntoView({block: 'end'});
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10
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43 }
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44
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45 function fixTextarea(event) {
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46 let textarea = event.target;
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47 textarea.style.height = 'initial';
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48 textarea.style.height = (textarea.scrollHeight+2) + 'px';
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49 textarea.scrollIntoViewIfNeeded(false);
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50 }
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51
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52 const isMobile = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
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53
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54 function addPost() {
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55 let textarea = document.querySelector('div[input] textarea');
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56 let text = textarea.value;
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57 if( text.trim() === '' )
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58 return;
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24
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59 ajax(`add_post.js?chat=${currentChatId}`,`content=${encodeURIComponent(text)}`);
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60 textarea.value = '';
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61 }
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62
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63 function textareaKey(event) {
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64 if( event.keyCode===13 && !event.shiftKey && !event.ctrlKey && !isMobile ) {
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65 event.preventDefault();
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66 addPost();
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67 }
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68 }
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69
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19
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70 function fixPosts() {
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71 let spans = document.querySelectorAll('span[when][fix]');
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72 for( let span of spans ) {
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73 span.textContent = new Date(Number(span.textContent)).toLocaleString();
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74 span.removeAttribute('fix');
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75 }
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19
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76 let divs = document.querySelectorAll('div[text][fix]');
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77 for( let div of divs ) {
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78 div.innerHTML = urlsToLinks(div.innerHTML);
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79 div.removeAttribute('fix');
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80 }
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10
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81 }
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11
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82
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83 function deleteChat() {
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20
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84 let dialog = document.querySelector('dialog[delete_chat]');
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85 openModal(dialog);
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86 }
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87
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88 function doDeleteChat(el) {
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89 closeModal(el);
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90 ajax(`delete_chat.js?chat=${currentChatId}`);
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91 }
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12
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92
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23
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93 let currentPostId;
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94
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95 function deletePost(postId) {
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96 currentPostId = postId;
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97 let dialog = document.querySelector('dialog[delete_post]');
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98 openModal(dialog);
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99 }
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100
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101 function doDeletePost(el) {
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102 closeModal(el);
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103 ajax(`delete_post.js?post=${currentPostId}`);
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104 }
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105
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106 function deleted(postId) {
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107 let div = document.querySelector(`div[post="${postId}"]`);
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108 if( div )
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109 div.outerHTML = '';
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110 }
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111
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24
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112 function editPost(postId) {
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113 ajax(`edit_post.js?post=${postId}`);
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114 }
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115
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116 function openEditPost(postId,text) {
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117 currentPostId = postId;
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118 let dialog = document.querySelector('dialog[edit_post]');
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119 let textarea = dialog.querySelector('textarea');
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120 textarea.value = text;
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121 openModal(dialog);
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122 }
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123
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124 function savePost(el) {
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125 let text = document.querySelector('dialog[edit_post] textarea').value;
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126 closeModal(el);
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127 ajax(`save_post.js?post=${currentPostId}`,`content=${encodeURIComponent(text)}`);
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128 }
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129
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130 function edited(postId,html) {
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131 let div = document.querySelector(`div[post="${postId}"]`);
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132 if( div ) {
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133 div.outerHTML = html;
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134 fixPosts();
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135 }
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136 }
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137
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12
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138 function added(html) {
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139 let input = document.querySelector('div[input]');
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140 input.insertAdjacentHTML('beforebegin',html);
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19
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141 fixPosts();
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12
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142 input.scrollIntoView({block: 'end'});
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18
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143 if( !document.hasFocus() )
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144 document.title = title + ' *';
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12
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145 }
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15
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146
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30
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147 function getChats(chatId,updated) {
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15
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148 let first = document.querySelector('div[chat]');
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149 if( !first || first.getAttribute('chat') != chatId ) {
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150 // console.log('getChats');
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151 ajax('get_chats.js');
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152 }
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30
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153 if( updated )
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154 lastUpdate = updated;
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15
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155 }
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156
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157 function gotChats(html) {
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158 document.querySelector('div[chats]').innerHTML = html;
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159 if( currentChatId ) {
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160 let current = document.querySelector(`div[chat="${currentChatId}"]`);
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16
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161 if( current ) {
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162 current.setAttribute('selected','');
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163 current.scrollIntoViewIfNeeded(false);
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164 } else {
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165 currentChatId = null;
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166 document.querySelector('div[posts]').innerHTML = '';
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167 }
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15
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168 }
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169 }
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18
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170
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171 window.onfocus = function() {
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172 document.title = title;
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173 };
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19
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174
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175 let urlRegex = /(^|\s)(https?:\/\/\S+)/g;
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176
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177 function urlsToLinks(text) {
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178 return text.replace( urlRegex, '$1<a href="$2">$2</a>' );
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179 }
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22
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180
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181 let currentPulldown = null;
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182 let newPulldown = null;
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183
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184 function clickMenu(clicked,display) {
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185 //console.log("clickMenu");
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186 let pulldown = clicked.parentNode.querySelector('div');
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187 if( pulldown !== currentPulldown ) {
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188 pulldown.style.display = display || "block";
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189 newPulldown = pulldown;
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190 window.onclick = function() {
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191 //console.log("window.onclick");
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192 if( currentPulldown ) {
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193 currentPulldown.style.display = "none";
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194 if( !newPulldown )
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195 window.onclick = null;
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196 }
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197 currentPulldown = newPulldown;
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198 newPulldown = null;
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199 };
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200 pulldown.scrollIntoViewIfNeeded(false);
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201 }
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202 }
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30
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203
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204 setInterval(function(){
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205 ajax(`heartbeat.js?last_update=${lastUpdate}`);
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206 }, 60000 );
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207
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208 function resync(updated) {
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209 lastUpdate = updated;
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210 currentChatId = null;
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211 document.querySelector('div[posts]').innerHTML = '';
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212 ajax('get_chats.js');
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213 }
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