Hatena::Let Omikuji

by noromanba 2016-01-11 [2016/01/11 03:15:32]

Hatena::Let Fortune cookie

@@ -5,10 +5,6 @@
  * @license MIT License http://nrm.mit-license.org/2012
  * @require
  */
-// TBD <at>require JSDeferred
-
-// Ten.XHR() 2nd args like this: { data: { 'Content-Type' : 'application/xml', 'Accept' : 'application/xml'} }
-// expected responseXML, but actual response is 'Content-Type:text/html; charset=utf-8'
 
 // TODO feedback indicator
 (function () {
@@ -22,27 +18,34 @@
     };
 
     // c.f. http://cho45.stfuawsc.com/jsdeferred/
-    //      http://cho45.stfuawsc.com/jsdeferred/doc/Deferred.html
+    //      http://cho45.stfuawsc.com/jsdeferred/doc/
+    //      http://gihyo.jp/dev/feature/01/jsdeferred/
+    //      http://d.hatena.ne.jp/edvakf/20090414/1239726515
+
     var total;
-    Ten.Deferred.define();
-    //Ten.Deferred().
-    next(function () {
+    Ten.Deferred. // if you want to use 'Deferred' in globaly, replace to 'Ten.Deferred.define()'
+    next(function (D) {
         new Ten.XHR('http://let.hatelabo.jp/', null, function (req) {
             var countSelector = /<span\sclass=\"top-bookmarklet-count\">\s+(\d+)\sBookmarklets!\s+<\/span>/;
             total = (countSelector.exec(req.responseText) || [])[1];
         });
-    }).wait(1). // FIXME omit wait(), assert 'total'
-    next(function () {
-        // http://let.hatelabo.jp/?of= (offset: 0 origin)
+    }).
+    // XXX 1st and 2nd XHR are async. needs to be create new D and return D-wrapped func inside next() callback
+    //     i.e. if 1st responce time approx over 1sec(1000ms), 2nd XHR fail. why? the 'count' is undefined yet
+    //          possible cause when networks too slow
+    wait(1). // stopgap
+    next(function (D) {
+        // http://let.hatelabo.jp/?of=<offset> offset: 0 origin
         new Ten.XHR('http://let.hatelabo.jp/?of=' + random(total - 1), null, function (req) {
             var codeSelector = /<a\shref\="(\/[\w-]+\/let\/[\w-]+)"/g;
             var code, codes = [];
             while ((code = codeSelector.exec(req.responseText))) {
-                codes.push(code[1]); // captured group, absolutely
+                codes.push(code[1]); // absolutely refer captured-group
             }
             if (codes.length < 1) return;
 
             location.pathname = codes[random(codes.length - 1)];
+            //console.info('*', codes[random(codes.length - 1)]);
         });
     }).
     error(function (e) {

• /*
   * @title Hatena::Let::Omikuji
   * @description Hatena::Let Fortune cookie
   * @include http://let.hatelabo.jp/*
   * @license MIT License http://nrm.mit-license.org/2012
   * @require
   */
  
  // TODO feedback indicator
  (function () {
      if (location.hostname !== 'let.hatelabo.jp') {
          location.href = 'http://let.hatelabo.jp';
          return; // for Fx
      }
  
      var random = function (max) {
          return Math.floor(Math.random() * Number(max) + 1);
      };
  
      // c.f. http://cho45.stfuawsc.com/jsdeferred/
      //      http://cho45.stfuawsc.com/jsdeferred/doc/
      //      http://gihyo.jp/dev/feature/01/jsdeferred/
      //      http://d.hatena.ne.jp/edvakf/20090414/1239726515
  
      var total;
      Ten.Deferred. // if you want to use 'Deferred' in globaly, replace to 'Ten.Deferred.define()'
      next(function (D) {
          new Ten.XHR('http://let.hatelabo.jp/', null, function (req) {
              var countSelector = /<span\sclass=\"top-bookmarklet-count\">\s+(\d+)\sBookmarklets!\s+<\/span>/;
              total = (countSelector.exec(req.responseText) || [])[1];
          });
      }).
      // XXX 1st and 2nd XHR are async. needs to be create new D and return D-wrapped func inside next() callback
      //     i.e. if 1st responce time approx over 1sec(1000ms), 2nd XHR fail. why? the 'count' is undefined yet
      //          possible cause when networks too slow
      wait(1). // stopgap
      next(function (D) {
          // http://let.hatelabo.jp/?of=<offset> offset: 0 origin
          new Ten.XHR('http://let.hatelabo.jp/?of=' + random(total - 1), null, function (req) {
              var codeSelector = /<a\shref\="(\/[\w-]+\/let\/[\w-]+)"/g;
              var code, codes = [];
              while ((code = codeSelector.exec(req.responseText))) {
                  codes.push(code[1]); // absolutely refer captured-group
              }
              if (codes.length < 1) return;
  
              location.pathname = codes[random(codes.length - 1)];
              //console.info('*', codes[random(codes.length - 1)]);
          });
      }).
      error(function (e) {
          if (console && console.warn) {
              console.warn('*error caught by Hatena::Let::Omikuji =>', e);
          }
      });
  })();

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