fix: index out of range bug (#289)

The for loop condition needs to depend
on the RANGE, otherwise it the index
will go out of range when we access
i + RANGE - 1 inside the for loop.

Signed-off-by: Harikrishnan Balagopal <harikrishmenon@gmail.com>

Author: HarikrishnanBalagopal

lib/src/Gren.js

@@ -536,7 +536,7 @@ class Gren {
         const labels = Array.from(issue.labels);
 
         if (!labels.length && this.options.template.noLabel) {
-            labels.push({name: this.options.template.noLabel});
+            labels.push({ name: this.options.template.noLabel });
         }
 
         return labels
@@ -804,7 +804,7 @@ class Gren {
                     return;
                 }
 
-                issue.labels.push({name: this.options.template.noLabel});
+                issue.labels.push({ name: this.options.template.noLabel });
             }
 
             const labelName = issue.labels[0].name;
@@ -849,7 +849,7 @@ class Gren {
         const groups = Object.keys(groupBy).reduce((carry, group, i, arr) => {
             const groupIssues = issues.filter(issue => {
                 if (!issue.labels.length && this.options.template.noLabel) {
-                    issue.labels.push({name: this.options.template.noLabel});
+                    issue.labels.push({ name: this.options.template.noLabel });
                 }
 
                 return issue.labels.some(label => {
@@ -1093,7 +1093,7 @@ class Gren {
             });
         }
 
-        for (let i = 0; i < sortedReleaseDates.length - 1; i++) {
+        for (let i = 0; i < sortedReleaseDates.length - RANGE + 1; i++) {
             const until = sortedReleaseDates[i + 1].date;
             ranges.push([
                 sortedReleaseDates[i],