Fix wiki

src/js/tabs/firmware_flasher.js

@@ -16,7 +16,7 @@ import serial from '../serial';
 import STM32DFU from '../protocols/stm32usbdfu';
 import { gui_log } from '../gui_log';
 import semver from 'semver';
-import { checkChromeRuntimeError } from '../utils/common';
+import { checkChromeRuntimeError, urlExists } from '../utils/common';
 import { generateFilename } from '../utils/generate_filename';
 
 const firmware_flasher = {
@@ -107,10 +107,19 @@ firmware_flasher.initialize = function (callback) {
             $('div.release_info #targetMCU').text(summary.mcu);
             $('div.release_info .configFilename').text(self.isConfigLocal ? self.configFilename : "[default]");
 
-            // Wiki link to url found in unified target configuration or if not defined to general wiki url
+            // Wiki link: #wiki found in unified target configuration, if board description exist or generel board missing
+            let urlWiki = 'https://betaflight.com/docs/wiki/boards/missing';                // generel board missing
+            const urlBoard = `https://betaflight.com/docs/wiki/boards/${summary.target}`;   // board description
+            if (summary.wiki === undefined) {                                               // override if #wiki exist in unified target configuration
+                if (urlExists(urlBoard)) {
+                    urlWiki = urlBoard;
+                }
+            } else {
+                urlWiki = summary.wiki;
+            }
             const targetWiki = $('#targetWikiInfoUrl');
             targetWiki.html(`   [Wiki]`);
-            targetWiki.attr("href", summary.wiki === undefined ? "https://betaflight.com/docs/wiki/" : summary.wiki);
+            targetWiki.attr("href", urlWiki);
 
             if (summary.cloudBuild) {
                 $('div.release_info #cloudTargetInfo').show();

src/js/utils/common.js

@@ -91,6 +91,18 @@ export function getTextWidth(text) {
     return Math.ceil(context.measureText(text).width);
 }
 
+export function urlExists(url) {
+    let http = new XMLHttpRequest ();
+
+    http.open('HEAD', url, false);
+    http.send();
+    if (http.status !== 404) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
 /**
  * Returns jquery sorted option list with optional value staying on top of the list.
  *