Exclude node_modules from duplicate method PowerShell scanner output - PR_26140_031-dupe-scanner-node-modules-exclusion

Author: DavidQ

docs/dev/reports/PR_26140_031-dupe-scanner-node-modules-exclusion_report.md

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+# PR_26140_031 Dupe Scanner Node Modules Exclusion Report
+
+## Scope
+
+- Added the requested duplicate scanner entry point at `tools/shared/powerShell/find_dupes_called.ps1`.
+- Kept duplicate detection patterns and output formatting unchanged.
+- Added the requested recursive scan filter:
+  - `$_.FullName -notmatch '\\node_modules\\'`
+
+## Validation
+
+- PASS `.\tools\shared\powerShell\find_dupes_called.ps1 | Set-Content -Path tmp\dupes_called.txt -Encoding utf8`
+- PASS `Select-String -Path tmp\dupes_called.txt -Pattern "node_modules" -SimpleMatch`
+  - No matches returned.
+- PASS repo-owned duplicate results still appear in `tmp/dupes_called.txt`, including `src`, `games`, and `tools/shared` paths.
+
+## Notes
+
+- The existing tracked scanner under `scripts/PS/find-duplicate-methods/dupes_called.ps1` already had the same node_modules exclusion in the latest committed delta.
+- The pre-existing root `dupes_called.txt` working tree change was not modified for this PR and is intentionally excluded from the PR delta/review artifacts.
+- Playwright impacted: No. This PR only adds a PowerShell scanner entry point and validates its text output.
+- Full samples smoke test skipped; this PR does not affect runtime samples.

dupes_called.txt

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+# 1. Get all .js files recursively
+# 2. Look for function patterns
+# 3. Group them by the text found
+# 4. Filter for groups with more than 1 occurrence
+
+# .\find_dupes_called.ps1 > found_dupes_called.txt
+# .\find_dupes_called.ps1 | Out-File -FilePath "found_dupes_called.txt" -Encoding utf8
+
+# Goes up 3 levels to reach HTML-JavaScript-Gaming from tools\shared\powerShell\
+# Get the root path (3 levels up)
+$rootPath = Resolve-Path "$PSScriptRoot\..\..\..\"
+
+Get-ChildItem -Path $rootPath -Recurse -Filter *.js -File |
+    Where-Object {
+        $_.FullName -notmatch '\\node_modules\\'
+    } |
+    Select-String `
+        -Pattern "function\s+[a-zA-Z0-9_]*\(", "[a-zA-Z0-9_]*\s*=\s*function", "[a-zA-Z0-9_]*:\s*function" |
+    Group-Object Line |
+    Where-Object { $_.Count -gt 1 } |
+    ForEach-Object {
+        "($($_.Count)) Duplicate line: $($_.Name.Trim())"
+
+        $_.Group | ForEach-Object {
+            # Replace the absolute root path with a single backslash
+            $relativePath = $_.Path -replace [regex]::Escape($rootPath), ""
+            "   -> Line $($_.LineNumber): \$relativePath"
+        }
+
+        ""
+    }