From 35a3dedeb8b9670721bd363031083cc2c90fa085 Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Mon, 29 May 2017 06:38:49 -1000
Subject: Implement custom emoji rendering and uploading

---
 lib/util.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'lib/util.js')

diff --git a/lib/util.js b/lib/util.js
index d25ecaf..f8da640 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -72,7 +72,7 @@ u.linkDest = function (link) {
 }
 
 u.toArray = function (x) {
-  return !x ? [] : Array.isArray(x) ? x : [x]
+  return x == null ? [] : Array.isArray(x) ? x : [x]
 }
 
 u.fromArray = function (arr) {
@@ -102,7 +102,7 @@ u.tryDecodeJSON = function (json) {
   }
 }
 
-u.extractFeedIds = function (str) {
+u.extractRefs = function (str) {
   var ids = []
   String(str).replace(u.ssbRefRegex, function (id) {
     ids.push(id)
@@ -110,6 +110,18 @@ u.extractFeedIds = function (str) {
   return ids
 }
 
+u.extractFeedIds = function (str) {
+  return u.extractRefs(str).filter(function (ref) {
+    return ref[0] === '@'
+  })
+}
+
+u.extractBlobIds = function (str) {
+  return u.extractRefs(str).filter(function (ref) {
+    return ref[0] === '&'
+  })
+}
+
 u.isMsgReadable = function (msg) {
   var c = msg && msg.value && msg.value.content
   return typeof c === 'object' && c !== null
-- 
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