Allow http link handler to fallback to standard handler

src/Linkifier.ts

@@ -229,19 +229,10 @@ export class Linkifier {
    * @param {string} uri The uri of the link.
    * @return {HTMLAnchorElement} The link.
    */
-  private _createAnchorElement(uri: string, handler: LinkMatcherHandler): HTMLAnchorElement {
+  private _createAnchorElement(uri: string, handler: LinkMatcherHandler, isHypertextLinkHandler: boolean): HTMLAnchorElement {
     const element = this._document.createElement('a');
     element.textContent = uri;
-    if (handler) {
-      element.addEventListener('click', (event: MouseEvent) => {
-        // Don't execute the handler if the link is flagged as invalid
-        if (element.classList.contains(INVALID_LINK_CLASS)) {
-          return;
-        }
-
-        return handler(event, uri);
-      });
-    } else {
+    if (isHypertextLinkHandler) {
       element.href = uri;
       // Force link on another tab so work is not lost
       element.target = '_blank';
@@ -250,6 +241,14 @@ export class Linkifier {
           return handler(event, uri);
         }
       });
+    } else {
+      element.addEventListener('click', (event: MouseEvent) => {
+        // Don't execute the handler if the link is flagged as invalid
+        if (element.classList.contains(INVALID_LINK_CLASS)) {
+          return;
+        }
+        return handler(event, uri);
+      });
     }
     return element;
   }

src/Types.ts

@@ -10,5 +10,5 @@ export type LinkMatcher = {
   validationCallback?: LinkMatcherValidationCallback,
   priority?: number
 };
-export type LinkMatcherHandler = (event: MouseEvent, uri: string) => void;
+export type LinkMatcherHandler = (event: MouseEvent, uri: string) => boolean | void;
 export type LinkMatcherValidationCallback = (uri: string, callback: (isValid: boolean) => void) => void;

src/xterm.js

@@ -1295,7 +1295,6 @@ Terminal.prototype.attachHypertextLinkHandler = function(handler) {
   this.refresh(0, this.rows - 1);
 }
 
-
 /**
    * Registers a link matcher, allowing custom link patterns to be matched and
    * handled.