Option to not select first one by default

.travis.yml

@@ -10,6 +10,10 @@ services:
 env:
 - REDISDATABASE=8
 
+branches:
+  only:
+  - master
+
 script:
 - go test -v ./...
 - ./travis-e2e.sh

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "autocompeter",
-  "version": "1.1.12",
+  "version": "1.2.0",
   "homepage": "https://autocompeter.com",
   "authors": [
     "Peter Bengtsson <mail@peterbe.com>"

gulpfile.js

@@ -7,7 +7,7 @@ var sass = require('gulp-sass');
 var concat = require('gulp-concat');
 var uglify = require('gulp-uglify');
 var rename = require('gulp-rename');
-var minifyCSS = require('gulp-minify-css');
+var cleanCSS = require('gulp-clean-css');
 var header = require('gulp-header');
 
 var bowerPkg = require('./bower.json');
@@ -27,7 +27,7 @@ gulp.task('sass', function() {
         .pipe(sass())
         .pipe(gulp.dest('public/dist'))
         .pipe(rename('autocompeter.min.css'))
-        .pipe(minifyCSS({keepBreaks:true}))
+        .pipe(cleanCSS({keepBreaks:true}))
         .pipe(header(banner, {pkg: bowerPkg}))
         .pipe(gulp.dest('public/dist'));
 });

package.json

@@ -17,14 +17,16 @@
   },
   "homepage": "https://github.com/peterbe/autocompeter",
   "devDependencies": {
-    "gulp": "^3.8.10",
-    "gulp-concat": "^2.5.2",
-    "gulp-header": "^1.2.2",
-    "gulp-jshint": "^1.10.0",
-    "gulp-less": "^2.0.1",
-    "gulp-minify-css": "^0.4.5",
-    "gulp-rename": "^1.2.0",
-    "gulp-sass": "^1.3.3",
-    "gulp-uglify": "^1.1.0"
+    "gulp": "3.9.1",
+    "gulp-clean-css": "2.0.10",
+    "gulp-concat": "2.6.0",
+    "gulp-header": "1.8.2",
+    "gulp-jshint": "2.0.1",
+    "gulp-less": "3.1.0",
+    "gulp-rename": "1.2.2",
+    "gulp-sass": "2.3.1",
+    "gulp-uglify": "1.5.3",
+    "jshint": "2.9.2",
+    "node-sass": "2.1.1"
   }
 }

public/dist/autocompeter.js

@@ -90,6 +90,7 @@
 
     var results_ps = [];
     var selected_pointer = 0;
+    var actually_selected_pointer = false;
     q.spellcheck = false;
     q.autocomplete = 'off';
 
@@ -177,6 +178,7 @@
         }
       } else {
         r.style.display = 'none';
+        return;
       }
       results_ps = [];
       var p, a;
@@ -214,7 +216,7 @@
         }
 
         p = createDomElement('p');
-        if (i === selected_pointer) {
+        if (i === selected_pointer && actually_selected_pointer) {
           p.classList.add('selected');
         }
         p.dataset.i = i;  // needed by the onmouseover event handler
@@ -243,12 +245,13 @@
 
     function findParentForm(element) {
       var parent = element.parentNode;
+      if (parent === null) {
+        console.warn("Form can not be found. Nothing to submit");
+        return;
+      }
       if (parent.nodeName === 'FORM') {
         return parent;
       }
-      if (parent === null) {
-        throw "too deep. no parent form node to be found";
-      }
       return findParentForm(parent);
     }
 
@@ -261,22 +264,24 @@
         if (q.value !== hint.value) {
           handler();  // this starts a new ajax request
         }
+        actually_selected_pointer = true;
       } else if (name === 'down' || name === 'up') {
         if (name === 'down') {
           selected_pointer = Math.min(results_ps.length - 1, ++selected_pointer);
         } else if (name === 'up') {
           selected_pointer = Math.max(0, --selected_pointer);
         }
         for (i=0, len=results_ps.length; i < len; i++) {
-          if (i === selected_pointer) {
+          if (i === selected_pointer && actually_selected_pointer) {
             results_ps[i].classList.add('selected');
           } else {
             results_ps[i].classList.remove('selected');
           }
         }
+        actually_selected_pointer = true;
         displayResults();
       } else if (name === 'enter') {
-        if (results_ps.length) {
+        if (results_ps.length && actually_selected_pointer) {
           var p = results_ps[selected_pointer];
           var a = p.getElementsByTagName('a')[0];
           q.value = hint.value = a.textContent;
@@ -285,7 +290,10 @@
         } else {
           // We need to submit the form but we can't simply `return true`
           // because the event we're returning to isn't a form submission.
-          findParentForm(q).submit();
+          var form = findParentForm(q);
+          if (form) {
+            form.submit();
+          }
           return true;
         }
       } else if (name === 'esc') {
@@ -337,8 +345,11 @@
 
         }
       }
-      // new character, let's reset the selected_pointer
+      // New character, let's reset the selected_pointer
       selected_pointer = 0;
+      // Also, reset that none of the results have been explicitly
+      // selected yet.
+      actually_selected_pointer = false;
       if (cache[q.value.trim()]) {
         var response = cache[q.value.trim()];
         terms = response.terms;
@@ -355,6 +366,23 @@
         } else {
           return;
         }
+
+        if (q.value.trim().length) {
+          // Suppose you have typed in "Pytho", then your
+          // previously typed in search is likely to be "Pyth".
+          // I.e. the same minus the last character.
+          // If that search is in the cache and had 0 results, then
+          // there's no point also searching for "Pytho"
+          var previous_value = q.value.trim().substring(
+            0, q.value.trim().length - 1
+          );
+          if (cache[previous_value] && !cache[previous_value].results.length) {
+            // don't bother sending this search then
+            cache[q.value.trim()] = {results: []};
+            return;
+          }
+        }
+
         req.onreadystatechange = function() {
           if (req.readyState === 4) {
             if (req.status === 200) {

public/dist/autocompeter.min.css

@@ -1,4 +1,4 @@
-/* Autocompeter.com 1.1.12 */
+/* Autocompeter.com 1.1.13 */
 ._ac-wrap{position:relative;display:inline-block}
 ._ac-wrap ._ac-hint{position:absolute;top:0;left:0;border-color:transparent;box-shadow:none;opacity:1;color:#b4b4b4;background:#fff}
 ._ac-wrap ._ac-foreground{background-color:transparent;position:relative;vertical-align:top}

src/autocompeter.js

@@ -90,6 +90,7 @@
 
     var results_ps = [];
     var selected_pointer = 0;
+    var actually_selected_pointer = false;
     q.spellcheck = false;
     q.autocomplete = 'off';
 
@@ -177,6 +178,7 @@
         }
       } else {
         r.style.display = 'none';
+        return;
       }
       results_ps = [];
       var p, a;
@@ -214,7 +216,7 @@
         }
 
         p = createDomElement('p');
-        if (i === selected_pointer) {
+        if (i === selected_pointer && actually_selected_pointer) {
           p.classList.add('selected');
         }
         p.dataset.i = i;  // needed by the onmouseover event handler
@@ -243,12 +245,13 @@
 
     function findParentForm(element) {
       var parent = element.parentNode;
+      if (parent === null) {
+        console.warn("Form can not be found. Nothing to submit");
+        return;
+      }
       if (parent.nodeName === 'FORM') {
         return parent;
       }
-      if (parent === null) {
-        throw "too deep. no parent form node to be found";
-      }
       return findParentForm(parent);
     }
 
@@ -261,22 +264,24 @@
         if (q.value !== hint.value) {
           handler();  // this starts a new ajax request
         }
+        actually_selected_pointer = true;
       } else if (name === 'down' || name === 'up') {
         if (name === 'down') {
           selected_pointer = Math.min(results_ps.length - 1, ++selected_pointer);
         } else if (name === 'up') {
           selected_pointer = Math.max(0, --selected_pointer);
         }
         for (i=0, len=results_ps.length; i < len; i++) {
-          if (i === selected_pointer) {
+          if (i === selected_pointer && actually_selected_pointer) {
             results_ps[i].classList.add('selected');
           } else {
             results_ps[i].classList.remove('selected');
           }
         }
+        actually_selected_pointer = true;
         displayResults();
       } else if (name === 'enter') {
-        if (results_ps.length) {
+        if (results_ps.length && actually_selected_pointer) {
           var p = results_ps[selected_pointer];
           var a = p.getElementsByTagName('a')[0];
           q.value = hint.value = a.textContent;
@@ -285,7 +290,10 @@
         } else {
           // We need to submit the form but we can't simply `return true`
           // because the event we're returning to isn't a form submission.
-          findParentForm(q).submit();
+          var form = findParentForm(q);
+          if (form) {
+            form.submit();
+          }
           return true;
         }
       } else if (name === 'esc') {
@@ -337,8 +345,11 @@
 
         }
       }
-      // new character, let's reset the selected_pointer
+      // New character, let's reset the selected_pointer
       selected_pointer = 0;
+      // Also, reset that none of the results have been explicitly
+      // selected yet.
+      actually_selected_pointer = false;
       if (cache[q.value.trim()]) {
         var response = cache[q.value.trim()];
         terms = response.terms;
@@ -355,6 +366,23 @@
         } else {
           return;
         }
+
+        if (q.value.trim().length) {
+          // Suppose you have typed in "Pytho", then your
+          // previously typed in search is likely to be "Pyth".
+          // I.e. the same minus the last character.
+          // If that search is in the cache and had 0 results, then
+          // there's no point also searching for "Pytho"
+          var previous_value = q.value.trim().substring(
+            0, q.value.trim().length - 1
+          );
+          if (cache[previous_value] && !cache[previous_value].results.length) {
+            // don't bother sending this search then
+            cache[q.value.trim()] = {results: []};
+            return;
+          }
+        }
+
         req.onreadystatechange = function() {
           if (req.readyState === 4) {
             if (req.status === 200) {