Split searching and listing

examples/index.js

@@ -24,78 +24,81 @@
     }, 500);
   }
 
-  function filterList(text) {
-    let examples;
+  function getMatchingExamples(text) {
     if (text.length < 2) {
-      examples = info.examples;
-    } else {
-      const words = text.split(/\W+/);
-      const scores = {};
-      for (let i = 0; i < words.length; ++i) {
-        const word = words[i].toLowerCase();
-        let dict = info.index[word];
-        const updateScores = function () {
-          // eslint-disable-next-line prefer-const
-          for (let exIndex in dict) {
-            const count = dict[exIndex];
-            if (scores[exIndex]) {
-              if (scores[exIndex][word]) {
-                scores[exIndex][word] += count;
-              } else {
-                scores[exIndex][word] = count;
-              }
+      return info.examples;
+    }
+    const words = text.split(/\W+/);
+    const scores = {};
+    for (let i = 0; i < words.length; ++i) {
+      const word = words[i].toLowerCase();
+      let dict = info.index[word];
+      const updateScores = function () {
+        // eslint-disable-next-line prefer-const
+        for (let exIndex in dict) {
+          const count = dict[exIndex];
+          if (scores[exIndex]) {
+            if (scores[exIndex][word]) {
+              scores[exIndex][word] += count;
             } else {
-              scores[exIndex] = {};
               scores[exIndex][word] = count;
             }
+          } else {
+            scores[exIndex] = {};
+            scores[exIndex][word] = count;
           }
-        };
-        if (dict) {
-          updateScores();
-        } else {
-          const r = new RegExp(word);
-          // eslint-disable-next-line prefer-const
-          for (let idx in info.index) {
-            if (r.test(idx)) {
-              dict = info.index[idx];
-              updateScores();
-            }
+        }
+      };
+      if (dict) {
+        updateScores();
+      } else {
+        const r = new RegExp(word);
+        // eslint-disable-next-line prefer-const
+        for (let idx in info.index) {
+          if (r.test(idx)) {
+            dict = info.index[idx];
+            updateScores();
           }
         }
       }
-      examples = [];
-      // eslint-disable-next-line prefer-const
-      for (let j in scores) {
-        const 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) {
-        let cmp;
-        let aWords = 0,
-          bWords = 0;
-        let aScore = 0,
-          bScore = 0;
-        // eslint-disable-next-line prefer-const
-        for (let i in a.score) {
-          aScore += a.score[i];
-          aWords += 1;
-        }
-        // eslint-disable-next-line prefer-const
-        for (let j in b.score) {
-          bScore += b.score[j];
-          bWords += 1;
-        }
-        if (aWords == bWords) {
-          cmp = bScore - aScore;
-        } else {
-          cmp = bWords - aWords;
-        }
-        return cmp;
-      });
     }
+    const examples = [];
+    // eslint-disable-next-line prefer-const
+    for (let j in scores) {
+      const 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) {
+      let cmp;
+      let aWords = 0,
+        bWords = 0;
+      let aScore = 0,
+        bScore = 0;
+      // eslint-disable-next-line prefer-const
+      for (let i in a.score) {
+        aScore += a.score[i];
+        aWords += 1;
+      }
+      // eslint-disable-next-line prefer-const
+      for (let j in b.score) {
+        bScore += b.score[j];
+        bWords += 1;
+      }
+      if (aWords == bWords) {
+        cmp = bScore - aScore;
+      } else {
+        cmp = bWords - aWords;
+      }
+      return cmp;
+    });
+    return examples;
+  }
+
+  function filterList(text) {
+    const examples = getMatchingExamples(text);
     listExamples(examples);
   }