added feature: support for local/custom Apy

I'll add basic detection for whether langPairs/ and all work soon

src/lib/storage.js

@@ -357,5 +357,12 @@ function isHostname(url) {
     let validHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])";
     let r = RegExp(validHostnameRegex);
 
+    return r.test(url);
+}
+
+function isURL(url) {
+    let validURLRegex = "^(http(s)?:\\/\\/)?(www\\.)?[a-z0-9]+([\\-\\.]{1}[a-z0-9]+)*\\.[a-z]{2,5}(:[0-9]{1,5})?(\\/.*)?$";
+    let r = RegExp(validURLRegex);
+
     return r.test(url);
 }

src/settings/settings.html

@@ -51,7 +51,7 @@
   </div>
   <div id="apy-input-wrapper">
     <div id="add-custom-apy-div" class="input-group mb-3" style="display: none">
-      <input id="apy-input" type="text" class="form-control no-focus" placeholder="http://localhost:2737/">
+      <input id="apy-input" type="text" class="form-control no-focus" placeholder="">
       <button id="add-apy-url" class="btn btn-sm btn-dark no-focus" type="button">Set Source</button>
     </div>
   </div>

src/settings/settings.js

@@ -49,6 +49,16 @@ $("#source-select").on('click', async function (e) {
     createDropdown($("#target-language-dropdown"));
 });
 
+$('#add-apy-url').on('click', async function () {
+    let customApyInput = $('#apy-input');
+    globalSettings.apertiumSource = customApyInput.val();
+
+    saveGlobalSettings(globalSettings);
+    await updateLanguagePairs();
+    setLastUpdated(new Date().toLocaleString());
+    createDropdown($("#target-language-dropdown"));
+});
+
 $('#add-custom-apy-div').on('click', function (e) {
     e.stopPropagation();
 });
@@ -97,15 +107,18 @@ function setDefaultLanguage(defaultLanguage) {
 
 function setApertiumSource(apertiumSource) {
     let sourceSelect = $("#source-select");
+    let customApyInput = $('#apy-input');
+    customApyInput.attr("placeholder", "http://localhost:2737/");
     switch (apertiumSource) {
         case "https://apertium.org/apy/":
             sourceSelect.val("release").change();
             break;
         case "https://beta.apertium.org/apy/":
             sourceSelect.val("beta").change();
             break;
-        case "Local/Custom Source":
+        default:
             sourceSelect.val("custom").change();
+            customApyInput.attr("placeholder", apertiumSource);
             break;
     }
 }