From a84c2d7feeee80617b0e46a615ce9aed9a4fd575 Mon Sep 17 00:00:00 2001
From: Alex Eagle <alexeagle@google.com>
Date: Fri, 29 Apr 2016 10:08:56 -0700
Subject: [PATCH] fix(typescript): strip abstract keyword from properties in
 .d.ts

Fixes angular2/src/alt_router/metadata/metadata.d.ts

Closes #8339
---
 tools/broccoli/trees/node_tree.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/broccoli/trees/node_tree.ts b/tools/broccoli/trees/node_tree.ts
index d054001823..664106b6b4 100644
--- a/tools/broccoli/trees/node_tree.ts
+++ b/tools/broccoli/trees/node_tree.ts
@@ -152,7 +152,10 @@ module.exports = function makeNodeTree(projects, destinationPath) {
   compiledTree = replace(compiledTree, {
     files: ['**/*.d.ts'],
     patterns: [
+      // all readonly keywords
       {match: /^(\s*(static\s+|private\s+)*)readonly\s+/mg, replacement: "$1"},
+      // abstract properties (but not methods or classes)
+      {match: /^(\s+)abstract\s+([^\(\n]*$)/mg, replacement: "$1$2"},
     ]
   });