endless summer on anond (today -> past year)

by yuta25 2014-12-21 [2014/12/21 23:59:42]

昔の今日の増田ページをランダムでAutoPagerize風

@@ -19,7 +19,6 @@
   var State = true;
   var BASE_REMAIN_HEIGHT = 10000;
   var loading = false;
-  var visited = [];
 
   var last_element = (function() {
     var a = get_next_elements(document);
@@ -34,6 +33,20 @@
   var insert_point = last_element.nextSibling;
   var insert_parent = last_element.parentNode;
   var next_day;
+  var next_year;
+
+  var today = new Date();
+  var month = today.toISOString().slice(5,7);
+  var day = today.toISOString().slice(8, 10);
+  var thisYear = today.getYear();
+  var bottomYear = (today.getMonth() < 9 || (today.getMonth() === 10 && today.getDay() < 24)) ? 107 : 106;
+  var pages = new Array(thisYear - bottomYear + 1);
+  for (var i = 0; i < pages.length; i++) {
+    pages[i] = {
+      day: '/' + (1900 + bottomYear + i) + month + day,
+      page: null
+    };
+  }
 
   next_day_load();
 
@@ -46,52 +59,61 @@
   }, false);
 
   function next_day_load() {
-    var today = new Date();
-    var thisYear = today.getYear();
-    // var bottomYear = (new Date("September 24, 2006")).getYear();
-    var bottomYear = (today.getMonth() < 9 || (today.getMonth() === 10 && today.getDay() < 24)) ? 107 : 106;
-    var nextYear = 1900 + bottomYear + Math.floor(Math.random() * (thisYear - bottomYear + 1));
-    next_day = '/' + nextYear + today.toISOString().slice(5,7) + today.toISOString().slice(8, 10);
+    loading = true;
+    if (!pages.length) return;
+    next_year = Math.floor(Math.random() * pages.length);
+    next_day = pages[next_year].day;
+    if (pages[next_year].page) {
+      next_page_load();
+    } else {
+      var x = new XMLHttpRequest();
+      x.onload = function(e) {
+        if (x.status <= 200 && x.status < 300) {
+          next_page_load(e);
+        } else {
+          error();
+          next_day_load();
+        }
+      };
+      x.open('GET', next_day, true);
+      x.responseType = 'document';
+      x.send(null);
+    }
+  }
+
+  function next_page_load(e) {
+    if (e) {
+      var doc = e.target.response;
+      var pager_r = doc.querySelectorAll('.pager-r');
+      var max = pager_r[pager_r.length - 1].innerText.match(/^[0-9]*/)[0];
+      if (!pages[next_year].page) {
+        pages[next_year].page = new Array(max);
+        for (var i = 0; i < max; i++) {
+          pages[next_year].page[i] = i + 1;
+        }
+      }
+    }
+    var next_page = Math.floor(Math.random() * pages[next_year].page.length);
+    var next = next_day + '?page=' + pages[next_year].page[next_page];
+    pages[next_year].page.splice(next_page, 1);
+    if (!pages[next_year].page.length) {
+      pages.splice(next_year, 1);
+    }
+    console.log('next: ' + next);
     var x = new XMLHttpRequest();
-    x.onload = function(e) {
+    x.onload = function() {
       if (x.status <= 200 && x.status < 300) {
-        next_page_load(e);
+        history.pushState("", "", next);
+        load(x);
       } else {
         error();
-        next_day_load();
+        next_page_load();
       }
     };
-    loading = true;
-    x.open('GET', next_day, true);
-    x.responseType = 'document';
+    x.open('GET', next, true);
     x.send(null);
   }
 
-  function next_page_load(e) {
-    var doc = e.target.response;
-    var pager_r = doc.querySelectorAll('.pager-r');
-    var max = +pager_r[pager_r.length - 1].innerText.match(/^[0-9]*/)[0];
-    var next = next_day + '?page=' + Math.floor(Math.random() * max + 1);
-    if (visited.indexOf(next) < 0) {
-        console.log('next: ' + next);
-        var x = new XMLHttpRequest();
-        x.onload = function() {
-            if (x.status <= 200 && x.status < 300) {
-                history.pushState("", "", next);
-                load(x);
-            } else {
-                error();
-                next_page_load();
-            }
-        };
-        x.open('GET', next, true);
-        x.send(null);
-        visited.push(next);
-    } else {
-        next_day_load();
-    }
-  }
-
   function load(x) {
     var html = x.responseText.replace(/<script(?:[ \t\r\n][^>]*)?>[\S\s]*?<\/script[ \t\r\n]*>|<\/?(?:i?frame|html|script|object)(?:[ \t\r\n][^<>]*)?>/gi, ' ');
     var htmlDoc;
@@ -117,6 +139,9 @@
     docs = docs.map(function(doc) {
       return insert_parent.appendChild(document.importNode(doc, true));
     });
+    if (!pages.length) {
+      alert('全部読んだよ');
+    }
     return loading = false;
   }
 

• /*
   * @title endless summer on anond (today -> past year)
   * @description 昔の今日の増田ページをランダムでAutoPagerize風
   * @include http://anond.hatelabo.jp/
   * @license reblog commons license ( cc by 3.0 )
   */
  
  /**
   * This script is forked from taizooo's "endless summer on dsbd"
   * http://let.hatelabo.jp/taizooo/let/gYC-xcz67_6bYQ
   */
  
  // bookmark
  // autopager part from "twitter.AutoPager" : http://userscripts.org/scripts/review/47998
  
  (function() {
    var start_url = location.href;
  
    var State = true;
    var BASE_REMAIN_HEIGHT = 10000;
    var loading = false;
  
    var last_element = (function() {
      var a = get_next_elements(document);
      return a[a.length - 1];
    }());
  
    var max_page_number = get_max_page_number(document);
  
    if (!last_element || !max_page_number) {
      return error();
    }
    var insert_point = last_element.nextSibling;
    var insert_parent = last_element.parentNode;
    var next_day;
    var next_year;
  
    var today = new Date();
    var month = today.toISOString().slice(5,7);
    var day = today.toISOString().slice(8, 10);
    var thisYear = today.getYear();
    var bottomYear = (today.getMonth() < 9 || (today.getMonth() === 10 && today.getDay() < 24)) ? 107 : 106;
    var pages = new Array(thisYear - bottomYear + 1);
    for (var i = 0; i < pages.length; i++) {
      pages[i] = {
        day: '/' + (1900 + bottomYear + i) + month + day,
        page: null
      };
    }
  
    next_day_load();
  
    window.addEventListener('scroll', function() {
      if (loading) return;
      var remain = document.documentElement.scrollHeight - window.innerHeight - window.pageYOffset;
      if (State && remain < BASE_REMAIN_HEIGHT) {
        next_day_load();
      }
    }, false);
  
    function next_day_load() {
      loading = true;
      if (!pages.length) return;
      next_year = Math.floor(Math.random() * pages.length);
      next_day = pages[next_year].day;
      if (pages[next_year].page) {
        next_page_load();
      } else {
        var x = new XMLHttpRequest();
        x.onload = function(e) {
          if (x.status <= 200 && x.status < 300) {
            next_page_load(e);
          } else {
            error();
            next_day_load();
          }
        };
        x.open('GET', next_day, true);
        x.responseType = 'document';
        x.send(null);
      }
    }
  
    function next_page_load(e) {
      if (e) {
        var doc = e.target.response;
        var pager_r = doc.querySelectorAll('.pager-r');
        var max = pager_r[pager_r.length - 1].innerText.match(/^[0-9]*/)[0];
        if (!pages[next_year].page) {
          pages[next_year].page = new Array(max);
          for (var i = 0; i < max; i++) {
            pages[next_year].page[i] = i + 1;
          }
        }
      }
      var next_page = Math.floor(Math.random() * pages[next_year].page.length);
      var next = next_day + '?page=' + pages[next_year].page[next_page];
      pages[next_year].page.splice(next_page, 1);
      if (!pages[next_year].page.length) {
        pages.splice(next_year, 1);
      }
      console.log('next: ' + next);
      var x = new XMLHttpRequest();
      x.onload = function() {
        if (x.status <= 200 && x.status < 300) {
          history.pushState("", "", next);
          load(x);
        } else {
          error();
          next_page_load();
        }
      };
      x.open('GET', next, true);
      x.send(null);
    }
  
    function load(x) {
      var html = x.responseText.replace(/<script(?:[ \t\r\n][^>]*)?>[\S\s]*?<\/script[ \t\r\n]*>|<\/?(?:i?frame|html|script|object)(?:[ \t\r\n][^<>]*)?>/gi, ' ');
      var htmlDoc;
      if (document.implementation.createHTMLDocument) {
        htmlDoc = document.implementation.createHTMLDocument('hogehoge');
      } else {
        htmlDoc = document.cloneNode(false);
        if (htmlDoc) {
          htmlDoc.appendChild(htmlDoc.importNode(document.documentElement, false));
        } else {
          htmlDoc = document.implementation.createDocument(null, 'html', null);
        }
      }
      var range = document.createRange();
      range.selectNodeContents(document.documentElement);
      htmlDoc.documentElement.appendChild(range.createContextualFragment(html));
      var docs = get_next_elements(htmlDoc);
      if (!docs.length) {
        error();
        return next_page_load();
      }
      target_rewrite(docs);
      docs = docs.map(function(doc) {
        return insert_parent.appendChild(document.importNode(doc, true));
      });
      if (!pages.length) {
        alert('全部読んだよ');
      }
      return loading = false;
    }
  
    function get_next_elements(doc) {
      return Array.apply(null, doc.querySelectorAll('.section'));
    }
  
    function target_rewrite(docs) {
      docs.forEach(function(doc) {
        var as = doc.getElementsByTagName('a');
        for (var i = 0, l = as.length; i < l; i++) {
          var a = as[i],
          _a = a.getAttribute('href');
          if (_a && !/^javascript:/.test(_a) && !/^#/.test(_a)) a.setAttribute('target', '_blank');
        }
      });
    }
  
    function error() {
      return console.log('error');
      State = false;
    }
  
    function terminate() {
      return console.log('terminate');
      State = false;
    }
  
    function get_latest_id(doc) {
      return doc.evaluate('number(substring-after(//*[@class="section"]/h3/a/@href, "/"))', doc, null, XPathResult.NUMBER_TYPE, null).numberValue;
    }
  
    function get_next(url) {
      var random_id = Math.floor(Math.random() * max_page_number + 1);
      if (isNaN(random_id)) {
        return error();
      }
      var x = '/' + '?page=' + random_id;
      return x;
    }
  
    function get_max_page_number(doc) {
      return doc.evaluate('number(substring-before(//*[@class="pager-r" and not(following-sibling::*)]/text(), "ページ中"))', doc, null, XPathResult.NUMBER_TYPE, null).numberValue;
    }
    return true;
  })();
  

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  このページへの個別リンクです。

  RAW

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  Userscript

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  Loader

  @require やソースコードが長い場合に多段ロードする Loader コミのコードへのリンクです。

  Metadata

  コード中にコメントで @xxx と書かれたメタデータの JSON です。