From 681fc155a7b55ad6226771ca4833b7824410287c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Kr=C3=B6g?= <maxi_kroeg@web.de>
Date: Sun, 12 Jul 2020 10:59:56 +0200
Subject: [PATCH] Move js code into separate file to benefit from code analysis

---
 examples/index.html                 | 122 +---------------------------
 examples/index.js                   | 120 +++++++++++++++++++++++++++
 examples/webpack/config.js          |   1 +
 examples/webpack/example-builder.js |   2 +-
 4 files changed, 123 insertions(+), 122 deletions(-)
 create mode 100644 examples/index.js

diff --git a/examples/index.html b/examples/index.html
index 46ad23293a..8714671b4b 100644
--- a/examples/index.html
+++ b/examples/index.html
@@ -70,128 +70,8 @@
       }
     </style>
     <script type="text/javascript" src="Jugl.js"></script>
+    <script type="text/javascript" src="examples-info.js"></script>
     <script type="text/javascript" src="index.js"></script>
-    <script type="text/javascript">
-      var template, target;
-
-      function listExamples(examples) {
-        target.innerHTML = "";
-        var node = template.process({
-          context: {examples: examples},
-          clone: true,
-          parent: target
-        });
-        document.getElementById("count").innerHTML = "(" + examples.length + ")";
-      }
-
-      var timerId;
-      function inputChange() {
-        if (timerId) {
-          window.clearTimeout(timerId);
-        }
-        var text = this.value;
-        timerId = window.setTimeout(function() {
-          filterList(text);
-        }, 500);
-      }
-
-      function filterList(text) {
-        var examples;
-        if (text.length < 2) {
-          examples = info.examples;
-        } else {
-          var words = text.split(/\W+/);
-          var scores = {};
-          for(var i=0; i<words.length; ++i) {
-            var word = words[i].toLowerCase();
-            var dict = info.index[word];
-            var updateScores = function() {
-              for(exIndex in dict) {
-                var count = dict[exIndex];
-                if(scores[exIndex]) {
-                  if(scores[exIndex][word]) {
-                    scores[exIndex][word] += count;
-                  } else {
-                    scores[exIndex][word] = count;
-                  }
-                } else {
-                  scores[exIndex] = {};
-                  scores[exIndex][word] = count;
-                }
-              }
-            };
-            if (dict) {
-              updateScores();
-            } else {
-              var r;
-              for (idx in info.index) {
-                r = new RegExp(word);
-                if (r.test(idx)) {
-                  dict = info.index[idx];
-                  updateScores();
-                }
-              }
-            }
-          }
-          examples = [];
-          for (var j in scores) {
-            var ex = info.examples[j];
-            ex.score = scores[j];
-            examples.push(ex);
-          }
-          // sort examples by first by number of words matched, then
-          // by word frequency
-          examples.sort(function(a, b) {
-            var cmp;
-            var aWords = 0, bWords = 0;
-            var aScore = 0, bScore = 0;
-            for (var i in a.score) {
-              aScore += a.score[i];
-              aWords += 1;
-            }
-            for (var j in b.score) {
-              bScore += b.score[j];
-              bWords += 1;
-            }
-            if (aWords == bWords) {
-              cmp = bScore - aScore;
-            } else {
-              cmp = bWords - aWords;
-            }
-            return cmp;
-          });
-        }
-        listExamples(examples);
-      }
-
-      function parseQuery() {
-        var params = {};
-        var list = window.location.search.substring(1).split("&");
-        for (var i = 0; i < list.length; ++i) {
-          var pair = list[i].split("=");
-          if (pair.length == 2) {
-            params[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
-          }
-        }
-        if (params["q"]) {
-          var input = document.getElementById("keywords");
-          input.value = params["q"];
-          inputChange.call(input);
-        }
-      }
-
-      window.onload = function() {
-        for (var i = 0; i < info.examples.length; ++i) {
-          info.examples[i].link += window.location.search;
-        }
-        template = new jugl.Template("template");
-        target = document.getElementById("examples");
-        listExamples(info.examples);
-        document.getElementById("keywords").onkeyup = inputChange;
-        parseQuery();
-      };
-
-    </script>
 
     <title>OpenLayers Examples</title>
   </head>
diff --git a/examples/index.js b/examples/index.js
new file mode 100644
index 0000000000..089815a608
--- /dev/null
+++ b/examples/index.js
@@ -0,0 +1,120 @@
+(function () {
+  var template, target;
+
+  function listExamples(examples) {
+    target.innerHTML = "";
+    var node = template.process({
+      context: {examples: examples},
+      clone: true,
+      parent: target
+    });
+    document.getElementById("count").innerHTML = "(" + examples.length + ")";
+  }
+
+  var timerId;
+  function inputChange() {
+    if (timerId) {
+      window.clearTimeout(timerId);
+    }
+    var text = this.value;
+    timerId = window.setTimeout(function() {
+      filterList(text);
+    }, 500);
+  }
+
+  function filterList(text) {
+    var examples;
+    if (text.length < 2) {
+      examples = info.examples;
+    } else {
+      var words = text.split(/\W+/);
+      var scores = {};
+      for(var i=0; i<words.length; ++i) {
+        var word = words[i].toLowerCase();
+        var dict = info.index[word];
+        var updateScores = function() {
+          for(exIndex in dict) {
+            var count = dict[exIndex];
+            if(scores[exIndex]) {
+              if(scores[exIndex][word]) {
+                scores[exIndex][word] += count;
+              } else {
+                scores[exIndex][word] = count;
+              }
+            } else {
+              scores[exIndex] = {};
+              scores[exIndex][word] = count;
+            }
+          }
+        };
+        if (dict) {
+          updateScores();
+        } else {
+          var r;
+          for (idx in info.index) {
+            r = new RegExp(word);
+            if (r.test(idx)) {
+              dict = info.index[idx];
+              updateScores();
+            }
+          }
+        }
+      }
+      examples = [];
+      for (var j in scores) {
+        var ex = info.examples[j];
+        ex.score = scores[j];
+        examples.push(ex);
+      }
+      // sort examples by first by number of words matched, then
+      // by word frequency
+      examples.sort(function(a, b) {
+        var cmp;
+        var aWords = 0, bWords = 0;
+        var aScore = 0, bScore = 0;
+        for (var i in a.score) {
+          aScore += a.score[i];
+          aWords += 1;
+        }
+        for (var j in b.score) {
+          bScore += b.score[j];
+          bWords += 1;
+        }
+        if (aWords == bWords) {
+          cmp = bScore - aScore;
+        } else {
+          cmp = bWords - aWords;
+        }
+        return cmp;
+      });
+    }
+    listExamples(examples);
+  }
+
+  function parseQuery() {
+    var params = {};
+    var list = window.location.search.substring(1).split("&");
+    for (var i = 0; i < list.length; ++i) {
+      var pair = list[i].split("=");
+      if (pair.length == 2) {
+        params[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+      }
+    }
+    if (params["q"]) {
+      var input = document.getElementById("keywords");
+      input.value = params["q"];
+      inputChange.call(input);
+    }
+  }
+
+  window.onload = function() {
+    for (var i = 0; i < info.examples.length; ++i) {
+      info.examples[i].link += window.location.search;
+    }
+    template = new jugl.Template("template");
+    target = document.getElementById("examples");
+    listExamples(info.examples);
+    document.getElementById("keywords").onkeyup = inputChange;
+    parseQuery();
+  };
+})();
diff --git a/examples/webpack/config.js b/examples/webpack/config.js
index f1e7012195..57306a0626 100644
--- a/examples/webpack/config.js
+++ b/examples/webpack/config.js
@@ -71,6 +71,7 @@ module.exports = {
         {from: 'resources', to: 'resources'},
         {from: 'Jugl.js', to: 'Jugl.js'},
         {from: 'index.html', to: 'index.html'},
+        {from: 'index.js', to: 'index.js'},
       ],
     }),
   ],
diff --git a/examples/webpack/example-builder.js b/examples/webpack/example-builder.js
index e1f1dd521e..007599d4a2 100644
--- a/examples/webpack/example-builder.js
+++ b/examples/webpack/example-builder.js
@@ -176,7 +176,7 @@ class ExampleBuilder {
       };
 
       const indexSource = `var info = ${JSON.stringify(info)}`;
-      compilation.assets['index.js'] = new RawSource(indexSource);
+      compilation.assets['examples-info.js'] = new RawSource(indexSource);
     });
   }