From 2eee7e138b8ffa5a24c1262e04e6881d6262f856 Mon Sep 17 00:00:00 2001
From: Abram Booth <abram@cos.io>
Date: Thu, 17 May 2018 16:14:40 -0400
Subject: [PATCH 1/2] Add support for routable engines

Make {{href-to}} behave the same as {{link-to}} within an engine,
automatically prefixing routes with the engine's namespace

Add {{href-to-external}}, for routes external to the engine.
---
 addon/helpers/href-to-external.js | 22 ++++++++++++++++++++++
 addon/helpers/href-to.js          | 12 +++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 addon/helpers/href-to-external.js

diff --git a/addon/helpers/href-to-external.js b/addon/helpers/href-to-external.js
new file mode 100644
index 0000000..b5f67ff
--- /dev/null
+++ b/addon/helpers/href-to-external.js
@@ -0,0 +1,22 @@
+import Helper from '@ember/component/helper';
+import { getOwner } from '@ember/application';
+import { getHrefFromOwner } from './href-to';
+
+function hrefToExternal(context, targetRouteName, ...rest) {
+  const owner = getOwner(context);
+
+  if(owner.mountPoint) {
+    targetRouteName = owner._getExternalRoute(targetRouteName);
+  }
+  return getHrefFromOwner(owner, targetRouteName, ...rest);
+}
+
+export default Helper.extend({
+  compute([targetRouteName, ...rest], namedArgs) {
+    if(namedArgs.params) {
+      return hrefToExternal(this, ...namedArgs.params);
+    } else {
+      return hrefToExternal(this, targetRouteName, ...rest);
+    }
+  }
+});
diff --git a/addon/helpers/href-to.js b/addon/helpers/href-to.js
index aa0d354..11aa057 100644
--- a/addon/helpers/href-to.js
+++ b/addon/helpers/href-to.js
@@ -2,7 +2,17 @@ import Helper from "@ember/component/helper";
 import { getOwner } from "@ember/application";
 
 export function hrefTo(context, params) {
-  let routing = getOwner(context).lookup("service:-routing");
+  let owner = getOwner(context);
+  let ownerIsEngine = Boolean(owner.mountPoint)
+
+  if (ownerIsEngine && targetRouteName !== 'application') {
+    targetRouteName = `${owner.mountPoint}.${targetRouteName}`;
+  }
+  return getHrefFromOwner(owner, params);
+}
+
+export function getHrefFromOwner(owner, params) {
+  let routing = owner.lookup("service:-routing");
   return routing.generateURL(...getParamsForGenerateURL(params));
 }
 

From ccd027cd1b81e58ee8332f35a3cc9bd48cfc7630 Mon Sep 17 00:00:00 2001
From: Abram Booth <abram@cos.io>
Date: Wed, 13 Jun 2018 08:33:45 -0400
Subject: [PATCH 2/2] Add href-to-external re-export

---
 app/helpers/href-to-external.js | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 app/helpers/href-to-external.js

diff --git a/app/helpers/href-to-external.js b/app/helpers/href-to-external.js
new file mode 100644
index 0000000..9d99b53
--- /dev/null
+++ b/app/helpers/href-to-external.js
@@ -0,0 +1 @@
+export { default, hrefToExternal } from 'ember-href-to/helpers/href-to-external';