fix: how --json parameter output is handled

.github/PULL_REQUEST_TEMPLATE.md

@@ -22,6 +22,7 @@ Thanks for sending a pull request! Please make sure to have a look to the contri
 closes #
 
 - [ ] Jest tests added to cover the fix.
+- [ ] NUT tests added to cover the fix.
 - [ ] E2E tests added to cover the fix.
 
 # Any particular element that can be tested locally

__tests__/functional/delta.nut.ts

@@ -9,4 +9,36 @@ describe('sgd:source:delta NUTS', () => {
     }).shellOutput
     expect(result).to.include('sgd:source:delta')
   })
+
+  it('detects not existing output folder', () => {
+    const result = execCmd('sgd:source:delta --from "HEAD"', {
+      ensureExitCode: 1,
+    }).shellOutput
+    expect(result).to.include('folder does not exist')
+    expect(result).to.include('"success": false')
+  })
+
+  it('detects not existing output folder with json outputs', () => {
+    const result = execCmd('sgd:source:delta --from "HEAD" --json', {
+      ensureExitCode: 1,
+    }).shellOutput
+    expect(result).to.include('folder does not exist')
+    expect(result).to.include('"success": false')
+  })
+
+  it('outputs json', () => {
+    const result = execCmd('sgd:source:delta --from "HEAD" -o reports', {
+      ensureExitCode: 0,
+    }).shellOutput
+    expect(result).to.include('"error": null')
+    expect(result).to.include('"success": true')
+  })
+
+  it('outputs json with `--json`', () => {
+    const result = execCmd('sgd:source:delta --from "HEAD" -o reports --json', {
+      ensureExitCode: 0,
+    }).shellOutput
+    expect(result).to.include('"error": null')
+    expect(result).to.include('"success": true')
+  })
 })

package.json

@@ -84,7 +84,7 @@
     "@swc/core": "^1.3.58",
     "@types/chai": "^4.3.5",
     "@types/mocha": "^10.0.1",
-    "@types/node": "^20.1.5",
+    "@types/node": "^20.1.7",
     "@typescript-eslint/eslint-plugin": "^5.59.6",
     "@typescript-eslint/parser": "^5.59.6",
     "chai": "^4.3.7",

src/commands/sgd/source/delta.ts

@@ -105,6 +105,6 @@ export default class SourceDeltaGenerate extends SfdxCommand {
       process.exitCode = 1
     }
     this.ux.log(JSON.stringify(output, null, 2))
-    return null
+    return output
   }
 }

yarn.lock

@@ -2234,10 +2234,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^20.1.5":
-  version: 20.1.5
-  resolution: "@types/node@npm:20.1.5"
-  checksum: 0d073ed7b9cc51e2354dcf3a8ccca84d08c7d513fa8fac9462cabc164435b30f2ad296e9f2f911e6ce72da837b704f1075379be84a93bb24f76d328a2d9e8561
+"@types/node@npm:^20.1.7":
+  version: 20.1.7
+  resolution: "@types/node@npm:20.1.7"
+  checksum: b722794290d22db1741e739c256876ca774b76ea2d647d9ec9d52c49b1b01049cc6f6332499a01ac81d641e8d078b33e4c5c59e409db80390ac6b8d7ef0c08a7
   languageName: node
   linkType: hard
 
@@ -8717,7 +8717,7 @@ __metadata:
     "@swc/core": ^1.3.58
     "@types/chai": ^4.3.5
     "@types/mocha": ^10.0.1
-    "@types/node": ^20.1.5
+    "@types/node": ^20.1.7
     "@typescript-eslint/eslint-plugin": ^5.59.6
     "@typescript-eslint/parser": ^5.59.6
     chai: ^4.3.7