fix: rightfully manipulate package json topics

the existing Object spread merge does not play right here.
Replaced by using lodash.defaultsDeep.
defaultsDeep instead of merge to not replace existing keys/comments etc

package.json

@@ -17,6 +17,7 @@
     "graphology": "^0.25.1",
     "graphology-types": "^0.24.7",
     "js-yaml": "^4.1.0",
+    "lodash.defaultsdeep": "^4.6.1",
     "replace-in-file": "^6.3.2",
     "shelljs": "^0.8.5",
     "tslib": "^2",
@@ -35,6 +36,7 @@
     "@salesforce/ts-sinon": "1.4.7",
     "@swc/core": "1.3.20",
     "@types/js-yaml": "^4.0.5",
+    "@types/lodash.defaultsdeep": "^4.6.7",
     "@types/shelljs": "^0.8.10",
     "@types/yeoman-generator": "^5.2.10",
     "@types/yeoman-test": "^4.0.3",
@@ -245,4 +247,4 @@
       "output": []
     }
   }
-}
+}

src/generators/command.ts

@@ -12,6 +12,7 @@ import { pascalCase } from 'change-case';
 import { set } from '@salesforce/kit';
 import { get } from '@salesforce/ts-types';
 import { exec } from 'shelljs';
+import defaultsDeep = require('lodash.defaultsdeep');
 import { PackageJson, Topic } from '../types';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-assignment
@@ -89,11 +90,11 @@ export default class Command extends Generator {
       const commands = commandsJson.map((command) => command.id.replace(/:/g, '.').replace(/ /g, '.'));
 
       const newTopics = addTopics(this.options.name, this.pjson.oclif.topics, commands);
-      this.pjson.oclif.topics = { ...this.pjson.oclif.topics, ...newTopics };
+      defaultsDeep(this.pjson.oclif.topics, newTopics)
       this.internalPlugin = true;
     } else {
       const newTopics = addTopics(this.options.name, this.pjson.oclif.topics);
-      this.pjson.oclif.topics = { ...this.pjson.oclif.topics, ...newTopics };
+      defaultsDeep(this.pjson.oclif.topics, newTopics)
     }
 
     this.fs.writeJSON('package.json', this.pjson);

yarn.lock

@@ -1408,6 +1408,13 @@
   dependencies:
     "@types/node" "*"
 
+"@types/lodash.defaultsdeep@^4.6.7":
+  version "4.6.7"
+  resolved "https://registry.yarnpkg.com/@types/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.7.tgz#1a4f96d6d95815bbb16ac6f639fe0617bb71cd7c"
+  integrity sha512-D+AUxs64qehDMkbfFoskG0XsIOh2CHBGqYfcQcubLbZSFCGKJKS885su3a97huqBNHj+p9of9UZ/uUIP46wUGQ==
+  dependencies:
+    "@types/lodash" "*"
+
 "@types/lodash@*":
   version "4.14.194"
   resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.194.tgz#b71eb6f7a0ff11bff59fc987134a093029258a76"
@@ -4891,6 +4898,11 @@ lodash.defaults@^4.2.0:
   resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
   integrity sha512-qjxPLHd3r5DnsdGacqOMU6pb/avJzdh9tFX2ymgoZE27BmjXrNy/y4LoaiTeAb+O3gL8AfpJGtqfX/ae2leYYQ==
 
+lodash.defaultsdeep@^4.6.1:
+  version "4.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.defaultsdeep/-/lodash.defaultsdeep-4.6.1.tgz#512e9bd721d272d94e3d3a63653fa17516741ca6"
+  integrity sha512-3j8wdDzYuWO3lM3Reg03MuQR957t287Rpcxp1njpEa8oDrikb+FwGdW3n+FELh/A6qib6yPit0j/pv9G/yeAqA==
+
 lodash.difference@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"