From 7e2c254adee93609f9beaefa98f959effe1c2bdf Mon Sep 17 00:00:00 2001
From: Steven Silvester <stslve@amazon.com>
Date: Wed, 18 Dec 2019 16:06:13 -0600
Subject: [PATCH] Allow metadata for launcher items

integrity
---
 packages/console-extension/src/index.ts  | 6 ++++--
 packages/launcher/src/index.tsx          | 6 ++++++
 packages/notebook-extension/src/index.ts | 6 ++++--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/packages/console-extension/src/index.ts b/packages/console-extension/src/index.ts
index a16342b54e9d..44a69ceae068 100644
--- a/packages/console-extension/src/index.ts
+++ b/packages/console-extension/src/index.ts
@@ -181,7 +181,8 @@ async function activateConsole(
         let baseUrl = PageConfig.getBaseUrl();
         for (let name in specs.kernelspecs) {
           let rank = name === specs.default ? 0 : Infinity;
-          let kernelIconUrl = specs.kernelspecs[name]?.resources['logo-64x64'];
+          const spec = specs.kernelspecs[name]!;
+          let kernelIconUrl = spec.resources['logo-64x64'];
           if (kernelIconUrl) {
             let index = kernelIconUrl.indexOf('kernelspecs');
             kernelIconUrl = URLExt.join(baseUrl, kernelIconUrl.slice(index));
@@ -192,7 +193,8 @@ async function activateConsole(
               args: { isLauncher: true, kernelPreference: { name } },
               category: 'Console',
               rank,
-              kernelIconUrl
+              kernelIconUrl,
+              metadata: spec.metadata
             })
           );
         }
diff --git a/packages/launcher/src/index.tsx b/packages/launcher/src/index.tsx
index 4015ab101c5d..db7709070557 100644
--- a/packages/launcher/src/index.tsx
+++ b/packages/launcher/src/index.tsx
@@ -344,6 +344,12 @@ export namespace ILauncher {
      * spec.
      */
     kernelIconUrl?: string;
+
+    /**
+     * Metadata about the item.  This can be used by the launcher to
+     * affect how the item is displayed.
+     */
+    metadata?: ReadonlyJSONObject;
   }
 }
 
diff --git a/packages/notebook-extension/src/index.ts b/packages/notebook-extension/src/index.ts
index c273c2e05c29..016a0e2eee65 100644
--- a/packages/notebook-extension/src/index.ts
+++ b/packages/notebook-extension/src/index.ts
@@ -725,7 +725,8 @@ function activateNotebookHandler(
 
         for (let name in specs.kernelspecs) {
           let rank = name === specs.default ? 0 : Infinity;
-          let kernelIconUrl = specs.kernelspecs[name]?.resources['logo-64x64'];
+          const spec = specs.kernelspecs[name]!;
+          let kernelIconUrl = spec.resources['logo-64x64'];
           if (kernelIconUrl) {
             let index = kernelIconUrl.indexOf('kernelspecs');
             kernelIconUrl = URLExt.join(baseUrl, kernelIconUrl.slice(index));
@@ -736,7 +737,8 @@ function activateNotebookHandler(
               args: { isLauncher: true, kernelName: name },
               category: 'Notebook',
               rank,
-              kernelIconUrl
+              kernelIconUrl,
+              metadata: spec.metadata
             })
           );
         }