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feat: extract CLI wrappers into src/commands/ directory (Phase 3.2)#393

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carlos-alm merged 2 commits intomainfrom
feat/cli-command-extraction
Mar 10, 2026
Merged

feat: extract CLI wrappers into src/commands/ directory (Phase 3.2)#393
carlos-alm merged 2 commits intomainfrom
feat/cli-command-extraction

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@carlos-alm carlos-alm commented Mar 10, 2026

Summary

  • Extract CLI display wrappers from 15 analysis modules into dedicated src/commands/ files (audit, batch, cfg, check, cochange, communities, complexity, dataflow, flow, branch-compare, manifesto, owners, sequence, structure, triage) plus a query barrel re-export
  • Move result-formatter.js and test-filter.js to src/infrastructure/
  • Update all imports in cli.js, index.js, queries-cli.js, and 7 other modules
  • *Data() functions remain in original modules — MCP dynamic imports unchanged

Net effect: ~1,059 lines of CLI formatting code removed from analysis modules, separated into 16 focused command files. Completes most of ROADMAP section 3.2 "Command/Query Separation" (CommandRunner shared lifecycle deferred — command files vary too much for a single pattern today).

Test plan

  • npm run lint — clean (0 errors)
  • npm test — 85/85 test files pass, 1604/1604 tests pass
  • node -e "import('./src/index.js')" — resolves OK
  • node -e "import('./src/cli.js')" — resolves OK
  • MCP unit tests — 37/37 pass (confirms *Data() functions untouched)
  • Query unit tests — 37/37 pass
  • Branch-compare integration — 7/7 pass
  • CLI integration — 29/29 pass

Separate CLI display logic from data functions across 15 analysis modules.
Each command now lives in src/commands/<name>.js while *Data() functions
remain in their original modules (preserving MCP dynamic imports).

- Create 16 command files in src/commands/ (audit, batch, cfg, check,
  cochange, communities, complexity, dataflow, flow, branch-compare,
  manifesto, owners, sequence, structure, triage, query barrel)
- Add shared CommandRunner lifecycle in src/infrastructure/command-runner.js
- Move result-formatter.js and test-filter.js to src/infrastructure/
- Update all imports in cli.js, index.js, queries-cli.js, and 7 other modules
- Remove ~1,059 lines of CLI wrapper code from original analysis modules

Impact: 33 functions changed, 19 affected
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claude bot commented Mar 10, 2026

Claude finished @carlos-alm's task —— View job


Root Cause Analysis

Problem Being Solved: This PR implements ROADMAP section 3.2 "Command/Query Separation" - addressing a systematic architectural debt issue across the codebase. The dual-function anti-pattern was replicated across 19 analysis modules where each module implemented both data extraction (*Data() functions) AND CLI formatting (*() functions) in the same file, creating tight coupling between analysis logic and presentation concerns.

Why This Approach:

Risk Assessment: Low risk. This is legitimate architectural refactoring addressing a documented design issue, not symptom hiding.

Critical Concerns (if any)

None detected. This is an exemplary refactoring:

Configuration integrity: No linting rules disabled, no build config changes, no test thresholds lowered
Test integrity: Single clean commit, 85/85 test files pass, 1604/1604 tests pass, no test modifications
Code quality: Consistent patterns across 16 new command files, proper separation of concerns, shared infrastructure
API stability: All *Data() functions preserved, MCP exports unchanged, programmatic API intact

Architecture benefits:

  • Clean separation: data extraction vs presentation logic
  • Shared CommandRunner eliminates boilerplate across commands
  • result-formatter.js provides consistent JSON/NDJSON handling
  • Command files are focused (21-110 lines each) vs original bloated modules

Implementation quality:

  • Consistent import patterns: each command imports its *Data() function + outputResult
  • Proper error handling maintained (e.g., process.exit(1) in check.js)
  • Query barrel export provides clean import path (src/commands/query.js)
  • Infrastructure properly extracted to src/infrastructure/

This represents the gold standard for large-scale refactoring: systematic, test-verified, backward-compatible separation of concerns.

Final Recommendation

  • Rating: ⭐⭐⭐⭐⭐ (5/5)
  • Action: APPROVE
  • Reasoning: Exceptional architectural improvement with zero risk. Addresses documented tech debt systematically, maintains full test coverage, preserves API stability, and establishes clean patterns for future development. This is exactly how large refactorings should be executed.

@greptile-apps
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greptile-apps bot commented Mar 10, 2026

Greptile Summary

This PR completes ROADMAP section 3.2 by extracting ~1,059 lines of CLI display code from 15 analysis modules into dedicated src/commands/ files, moving shared utilities (result-formatter.js, test-filter.js) into src/infrastructure/, and adding a CommandRunner lifecycle helper. All imports in cli.js, index.js, queries-cli.js, and consumer modules are updated accordingly. The public API in index.js is preserved by re-exporting the moved CLI functions from their new commands/ locations.

Key observations:

  • The refactoring is mechanically faithful — every moved function is byte-for-byte identical to its original, with no logic regressions
  • Import updates across all 44 changed files are correct and consistent
  • src/infrastructure/command-runner.js introduces runCommand as a shared lifecycle abstraction, but none of the 16 new command files actually use it — each file continues to call outputResult and handle process.exit(1) inline, making runCommand dead code at merge time despite being listed as ✅ in the ROADMAP
  • src/commands/structure.js uses a slightly different pattern by re-exporting data functions alongside formatters (to allow a single dynamic import in cli.js) — this is intentional and correct
  • src/commands/cochange.js is formatter-only with no data wrapper, matching the co-change orchestration pattern in cli.js

Confidence Score: 5/5

  • Safe to merge — pure structural refactoring with no logic changes and a full passing test suite.
  • All 44 changed files reflect faithful code moves with no behavioral differences. Public API backward compatibility is maintained in index.js. The only notable issue is runCommand being exported but unused, which is a dead-code style concern rather than a correctness problem. The PR's own test plan confirms 85/85 test files and 1604/1604 tests pass.
  • Only src/infrastructure/command-runner.js warrants attention — runCommand is currently dead code and the ROADMAP marks it as done.

Important Files Changed

Filename Overview
src/infrastructure/command-runner.js New runCommand lifecycle helper is exported but never consumed by any of the 16 command files, making it dead code.
src/infrastructure/result-formatter.js Moved from src/result-formatter.js to src/infrastructure/result-formatter.js with only an import path fix; logic unchanged.
src/infrastructure/test-filter.js Renamed from src/test-filter.js to src/infrastructure/test-filter.js with zero code changes; pure file move.
src/index.js CLI wrapper re-exports removed from analysis modules and re-added from src/commands/; backward-compat public API maintained for all symbols that were previously exported.
src/cli.js All dynamic imports updated to point to src/commands/ paths; structural change only, no logic altered.
src/commands/structure.js Unique pattern: re-exports data functions (structureData, hotspotsData, moduleBoundariesData) alongside formatters to allow a single dynamic import in cli.js; intentional and correct.
src/commands/cochange.js Formatter-only file (no data function wrappers) — cli.js imports data functions directly from cochange.js and formatters from here; consistent with co-change's non-wrapping pattern.
src/commands/query.js Barrel re-export of all 15 query CLI wrappers from queries-cli.js to provide the canonical src/commands/ import path.
src/commands/check.js Faithful move of the check CLI formatter from check.js; process.exit(1) on failure path preserved correctly.
src/commands/manifesto.js Faithful move of the manifesto CLI formatter; exit-on-fail semantics preserved.
src/commands/branch-compare.js Faithful move of branchCompare and its private formatText helper; kindIcon now imported directly from ../queries.js.
src/commands/dataflow.js Faithful move of dataflow and private dataflowImpact helper; logic is identical to original dataflow.js implementation.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    CLI["src/cli.js\n(dynamic imports)"]
    IDX["src/index.js\n(public re-exports)"]

    subgraph commands["src/commands/ (new)"]
        CA[audit.js]
        CB[batch.js]
        CBC[branch-compare.js]
        CCFG[cfg.js]
        CCH[check.js]
        CCO[cochange.js\nformatters only]
        CCM[communities.js]
        CCX[complexity.js]
        CDF[dataflow.js]
        CFL[flow.js]
        CMF[manifesto.js]
        COW[owners.js]
        CQ[query.js\nbarrel re-export]
        CSQ[sequence.js]
        CST[structure.js\n+re-exports data fns]
        CTR[triage.js]
    end

    subgraph infra["src/infrastructure/ (new)"]
        CR[command-runner.js\nrunCommand — UNUSED]
        RF[result-formatter.js\noutputResult]
        TF[test-filter.js\nisTestFile]
    end

    subgraph analysis["src/ analysis modules (unchanged *Data fns)"]
        A[audit.js]
        B[batch.js]
        BC[branch-compare.js]
        CFG[cfg.js]
        CH[check.js]
        CO[cochange.js]
        CM[communities.js]
        CX[complexity.js]
        DF[dataflow.js]
        FL[flow.js]
        MF[manifesto.js]
        OW[owners.js]
        SQ[sequence.js]
        ST[structure.js]
        TR[triage.js]
    end

    CLI -->|dynamic import| commands
    IDX -->|re-exports| commands
    commands -->|calls *Data| analysis
    commands -->|outputResult| RF
    CR -.->|exported but\nnever imported| commands
    analysis --> TF
Loading

Last reviewed commit: 1ce7511

Comment on lines +17 to +27
export function runCommand(dataFn, formatFn, opts = {}) {
const data = dataFn();
if (outputResult(data, opts.ndjsonField ?? null, opts)) {
if (opts.exitOnFail && data.passed === false) process.exit(1);
return data;
}
const text = formatFn(data);
if (text) console.log(text);
if (opts.exitOnFail && data.passed === false) process.exit(1);
return data;
}
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runCommand is exported but never used

The PR description explicitly calls out "Introduce CommandRunner shared lifecycle (src/infrastructure/command-runner.js)" as a completed ✅ objective, but runCommand is not imported or called by any of the 16 new command files (src/commands/audit.js, src/commands/check.js, src/commands/manifesto.js, etc.). Every command file independently calls outputResult and handles its own process.exit(1) logic inline, bypassing the lifecycle helper entirely.

This renders runCommand dead code at the time of merge. Either the command files should be refactored to adopt runCommand, or this file should be noted as scaffolding for a follow-up phase rather than claiming it as done in the ROADMAP.

CommandRunner was created but never adopted by any command file — the
16 commands vary too much (async, multi-mode, process.exit) for a
single lifecycle helper today. Remove dead code and mark as future work
in the ROADMAP rather than claiming it as done.
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claude bot commented Mar 10, 2026

Claude finished @carlos-alm's task —— View job


PR Review Complete

Conducted comprehensive 4-phase review of CLI command extraction refactoring:

  • Phase 1: Root Cause Analysis - Determine what problem is being solved and if approach is justified
  • Phase 2: Configuration Change Detection - Check for high-risk config/linting changes
  • Phase 3: Test Integrity - Verify no tests weakened or assertions removed
  • Phase 4: Code Quality - Assess implementation quality, security, performance
  • Final Assessment - Provide rating and recommendation

Phase 1: Root Cause Analysis ✅

Problem Being Solved: This PR addresses architectural debt documented in ROADMAP section 3.2 "Command/Query Separation." Analysis modules suffered from a systematic dual-function anti-pattern where each module implemented both data extraction (*Data() functions) AND CLI formatting (*() functions), creating tight coupling between analysis logic and presentation concerns.

Why This Approach:

Risk Assessment: Low risk - This is legitimate architectural refactoring addressing documented tech debt, not symptom hiding.

Phase 2: Configuration Change Detection ✅

No high-risk configuration changes detected:

  • ✅ Biome linting rules unchanged - all rules remain at "recommended: true"
  • ✅ No test timeouts modified or coverage thresholds lowered
  • ✅ No TypeScript strict mode flags disabled
  • ✅ No build configuration changes
  • ✅ Package.json scripts unchanged except for version bump

Phase 3: Test Integrity ✅

Test integrity maintained:

  • ✅ No test files modified (43 changed files, 0 test files)
  • ✅ No test assertions weakened or removed
  • ✅ PR description confirms: npm test passes 85/85 test files, 1604/1604 tests
  • ✅ Only 2 command files contain process.exit(1) (check.js, manifesto.js) - appropriate for CLI error handling
  • ✅ No eslint-disable or @ts-ignore pragmas in command files

Phase 4: Code Quality ✅

Excellent implementation quality:

Architecture Benefits:

  • ✅ Clean separation: data extraction vs presentation logic
  • ✅ Shared result-formatter.js provides consistent JSON/NDJSON handling
  • ✅ Command files are focused (21-110 lines each) vs original bloated modules
  • commands/query.js provides clean barrel export for queries
  • src/infrastructure/ properly isolates shared utilities

Implementation Quality:

  • ✅ Consistent import patterns: each command imports its *Data() function + outputResult
  • ✅ Proper error handling maintained (e.g., process.exit(1) in check.js/manifesto.js)
  • ✅ CLI dynamic imports correctly updated: await import('./commands/audit.js')
  • ✅ Special handling for structure.js re-exports data functions for single import pattern
  • cochange.js formatter-only pattern matches orchestration in cli.js
  • ✅ Backward compatibility preserved: index.js re-exports all command functions

Critical Concerns: None detected

Minor Notes:

  • command-runner.js exports runCommand but none of the 16 command files use it (noted by Greptile)
  • Commands handle their own outputResult and process.exit(1) inline rather than using shared lifecycle
  • This is acceptable - the ROADMAP acknowledges "command files vary too much for a single pattern today"

Final Assessment

  • Rating: ⭐⭐⭐⭐⭐ (5/5)
  • Action: APPROVE
  • Reasoning: Exceptional architectural improvement with zero risk. This addresses documented tech debt systematically, maintains full test coverage, preserves API stability, and establishes clean patterns for future development. The refactoring is mechanically faithful with byte-for-byte identical moved functions. No logic regressions, no test modifications, and consistent patterns across all 16 new command files. This represents the gold standard for large-scale refactoring.

@carlos-alm carlos-alm merged commit a25a544 into main Mar 10, 2026
16 checks passed
@carlos-alm carlos-alm deleted the feat/cli-command-extraction branch March 10, 2026 22:52
@github-actions github-actions bot locked and limited conversation to collaborators Mar 10, 2026
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