option to disable empty sections

Author: Vrtak-CZ

README.md

@@ -68,6 +68,8 @@ These can be specified using environment variables
   * Default "Australia/Melbourne"
 * ISSUE_CLOSED_SECONDS: The amount of seconds to search after the last commit,  useful for Merge Requests that close their tickets a second after the commit.
   * Default 0
+* RENDER_EMPTY_SECTIONS: Option to render empty default sections. _Closed Issues_ and _Merged merge requests_ are default and renders all the time, even when they are empty. With this option set to `"false"` this tool will not generate them if they are empty.
+  * Default `"true"`
 
 ## Building and Running locally
 

app/env.js

@@ -8,4 +8,5 @@ exports.NODE_ENV = process.env.NODE_ENV;
 
 // will looks for issues closed this many seconds after the tag,  this may happen if the issue is merged via a MR and automatially closed
 // example -e GITLAB_ISSUE_SECOND_DELAY=60 will catch issues closed up to 60 seconds after the tag is created.
-exports.ISSUE_CLOSED_SECONDS = process.env.ISSUE_CLOSED_SECONDS || "0";
+exports.ISSUE_CLOSED_SECONDS = process.env.ISSUE_CLOSED_SECONDS || "0";
+exports.RENDER_EMPTY_SECTIONS = process.env.RENDER_EMPTY_SECTIONS === "false" ? false : true;

app/lib/changelog.js

@@ -46,7 +46,7 @@ exports.generateChangeLogContent = async ({ releaseDate, issues, mergeRequests }
     let changelogContent = `### Release note (${Moment.tz(releaseDate, Env.TZ).format("YYYY-MM-DD")})\n`;
     for (const labelConfig of labelConfigs) {
       if (changelogBucket[labelConfig.name]) {
-          if (!_.isEmpty(changelogBucket[labelConfig.name]) || labelConfig.default) {
+          if (!_.isEmpty(changelogBucket[labelConfig.name]) || (labelConfig.default && Env.RENDER_EMPTY_SECTIONS)) {
             changelogContent += `#### ${labelConfig.title}\n`;
             if (!_.isEmpty(changelogBucket[labelConfig.name])) changelogContent += changelogBucket[labelConfig.name].join("\n") + "\n";
           }