stop page crash when deleting a lemma row

jebeck · jebeck · commit 4091f87772a9 · 2020-05-31T12:04:53.000-07:00
diff --git a/src/formReducer.js b/src/formReducer.js
@@ -50,7 +50,9 @@ class FormReducer extends ImmerReducer {
   }
   resetVerifiedWarnings(index) {
     this.draftState.verifiedAgainstStored[index] = undefined;
-    this.draftState.lemmas[index].id = null;
+    if (this.draftState.lemmas[index]) {
+      this.draftState.lemmas[index].id = null;
+    }
   }
   setUpdatedWarning(index, keys) {
     this.draftState.updatedFromStored[index] = keys.reduce((obj, key) => {

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,9 @@ class FormReducer extends ImmerReducer {`
`50`	`50`	`}`
`51`	`51`	`resetVerifiedWarnings(index) {`
`52`	`52`	`this.draftState.verifiedAgainstStored[index] = undefined;`
`53`		`- this.draftState.lemmas[index].id = null;`
	`53`	`+ if (this.draftState.lemmas[index]) {`
	`54`	`+ this.draftState.lemmas[index].id = null;`
	`55`	`+ }`
`54`	`56`	`}`
`55`	`57`	`setUpdatedWarning(index, keys) {`
`56`	`58`	`this.draftState.updatedFromStored[index] = keys.reduce((obj, key) => {`