feat: clear changelog on major release

Author: zdm

lib/package/release.js

@@ -551,23 +551,24 @@ export default class Publish {
             "linkify": false,
         } );
 
-        var fullChangelog = `
+        var fullChangelog =
+            `
 # Changelog
 
 ### ${ this.#currentRelease.versionString } (${ this.#currentRelease.changelogDate })
 
 ${ this.#changelog.linkifyMarkdown( changelogMarkdown ) }
-`.trim();
-
-        // patch CHANGELOG.md
-        if ( await pathExists( this.#pkg.root + "/CHANGELOG.md" ) ) {
-            fullChangelog +=
-                "\n" +
-                fs
-                    .readFileSync( this.#pkg.root + "/CHANGELOG.md", "utf8" )
-                    .replace( /# Changelog\n/, "" )
-                    .trim() +
-                "\n";
+`.trim() + "\n";
+
+        // append CHANGELOG.md
+        if ( !this.#currentRelease.isMajor ) {
+            if ( await pathExists( this.#pkg.root + "/CHANGELOG.md" ) ) {
+                fullChangelog +=
+                    fs
+                        .readFileSync( this.#pkg.root + "/CHANGELOG.md", "utf8" )
+                        .replace( /# Changelog\n/, "" )
+                        .trim() + "\n";
+            }
         }
 
         // write CHANGELOG.md