From 42f0b179c89143628976ca3959ee8ee9f63f0730 Mon Sep 17 00:00:00 2001
From: Sorrel Bri <sorrel.bri.june@gmail.com>
Date: Wed, 19 Feb 2020 18:36:42 -0800
Subject: [PATCH] patch transformLexeme to remove empty phoneme object in case
 of deletion

---
 src/reducers/reducer.init.js    | 2 +-
 src/reducers/reducer.results.js | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/reducers/reducer.init.js b/src/reducers/reducer.init.js
index 24943cf..dad87cb 100644
--- a/src/reducers/reducer.init.js
+++ b/src/reducers/reducer.init.js
@@ -14,8 +14,8 @@ export const initState = (changesArgument: number): stateType => {
           '[+ occlusive - nasal]>[+ occlusive + nasal]/n_.',
           'a>ɯ/._#',
           '[+ sonorant - low rounded high back]>0/._.',
-          // 'nn>nun/._.',
           // '[+ nasal][+ obstruent]>[+ nasal obstruent aspirated ]/#_.',
+          // 'nn>nun/._.',
           // '[+ sonorant rounded]>[+ sonorant - rounded]/._#'
         ]
       }
diff --git a/src/reducers/reducer.results.js b/src/reducers/reducer.results.js
index 45d9c96..e64c695 100644
--- a/src/reducers/reducer.results.js
+++ b/src/reducers/reducer.results.js
@@ -183,6 +183,8 @@ export const transformLexeme = (lexemeBundle, rule, features) => {
     if (!isEnvironmentBoundByRule([phoneme], position)) return [...newLexeme, phoneme];
     if (!isEnvironmentBoundByRule(lexemeBundle.slice(index, index + post.length), post)) return [...newLexeme, phoneme];
     const newPhoneme = swapPhoneme(phoneme, rule.newFeatures[0], features);
+    // if deletion occurs
+    if (!newPhoneme.grapheme) return [ ...newLexeme] ;
     return [...newLexeme, newPhoneme];
   }, [])
   return newLexeme;
@@ -212,7 +214,7 @@ export const run = (state: stateType, action: resultsAction): stateType => {
   const lexiconBundle = formBundleFromLexicon(lexicon)(phones); 
   const passResults = transformLexicon(lexiconBundle)(ruleBundle)(features);
   const stringifiedPassResults = passResults.map(stringifyResults);
-  
+  console.log(passResults)
   const pass = {
     pass: epoch.name,
     lexicon: stringifiedPassResults