fix(amazonq): only show lines of code (#7489)

## Problem

Some plan statistics, such as files to be changed, incorrectly show as 0
currently.


## Solution

To avoid confusion, only show users the # of lines of code statistic,
which works fine.

---

- Treat all work as PUBLIC. Private `feature/x` branches will not be
squash-merged at release time.
- Your code changes must meet the guidelines in
[CONTRIBUTING.md](https://github.com/aws/aws-toolkit-vscode/blob/master/CONTRIBUTING.md#guidelines).
- License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

---------

Co-authored-by: David Hasani <[email protected]>

Author: dhasani23

packages/amazonq/.changes/next-release/Bug Fix-665b0f02-d6fe-4cfc-ac52-564f35d12aa5.json

@@ -0,0 +1,4 @@
+{
+	"type": "Bug Fix",
+	"description": "/transform: only show lines of code statistic in plan"
+}

packages/core/src/codewhisperer/service/transformByQ/transformApiHandler.ts

@@ -595,9 +595,11 @@ export function getJobStatisticsHtml(jobStatistics: any) {
     htmlString += `<div style="flex: 1; margin-left: 20px; border: 1px solid #424750; border-radius: 8px; padding: 10px;">`
     // eslint-disable-next-line unicorn/no-array-for-each
     jobStatistics.forEach((stat: { name: string; value: string }) => {
-        htmlString += `<p style="margin-bottom: 4px"><img src="${getTransformationIcon(
-            stat.name
-        )}" style="vertical-align: middle;"> ${getFormattedString(stat.name)}: ${stat.value}</p>`
+        if (stat.name === 'linesOfCode') {
+            htmlString += `<p style="margin-bottom: 4px"><img src="${getTransformationIcon(
+                stat.name
+            )}" style="vertical-align: middle;"> ${getFormattedString(stat.name)}: ${stat.value}</p>`
+        }
     })
     htmlString += `</div>`
     return htmlString
@@ -647,8 +649,6 @@ export async function getTransformationPlan(jobId: string, profile: RegionProfil
             plan += `</div><br>`
         }
         plan += `</div><br>`
-        plan += `<p style="font-size: 18px; margin-bottom: 4px;"><b>Appendix</b><br><a href="#top" style="float: right; font-size: 14px;">Scroll to top <img src="${arrowIcon}" style="vertical-align: middle;"></a></p><br>`
-        plan = addTableMarkdown(plan, '-1', tableMapping) // ID of '-1' reserved for appendix table; only 1 table there
         return plan
     } catch (e: any) {
         const errorMessage = (e as Error).message

packages/core/src/test/codewhisperer/commands/transformByQ.test.ts

@@ -28,6 +28,7 @@ import {
     zipCode,
     getTableMapping,
     getFilesRecursively,
+    getJobStatisticsHtml,
 } from '../../../codewhisperer/service/transformByQ/transformApiHandler'
 import {
     validateOpenProjects,
@@ -312,6 +313,31 @@ dependencyManagement:
         assert.deepStrictEqual(actual, expected)
     })
 
+    it('WHEN showing plan statistics THEN correct labels appear', () => {
+        const mockJobStatistics = [
+            {
+                name: 'linesOfCode',
+                value: '1234',
+            },
+            {
+                name: 'plannedDependencyChanges',
+                value: '0',
+            },
+            {
+                name: 'plannedDeprecatedApiChanges',
+                value: '0',
+            },
+            {
+                name: 'plannedFileChanges',
+                value: '0',
+            },
+        ]
+        const result = getJobStatisticsHtml(mockJobStatistics)
+        assert.strictEqual(result.includes('Lines of code in your application'), true)
+        assert.strictEqual(result.includes('to be replaced'), false)
+        assert.strictEqual(result.includes('to be changed'), false)
+    })
+
     it(`WHEN transforming a project with a Windows Maven executable THEN mavenName set correctly`, async function () {
         sinon.stub(env, 'isWin').returns(true)
         const tempFileName = 'mvnw.cmd'