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feat(ipuaro): add transitive dependency counts to FileMeta

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- Add transitiveDepCount field (files depending on this transitively)
- Add transitiveDepByCount field (files this depends on transitively)
- Add computeTransitiveCounts() in MetaAnalyzer with DFS
- Handle circular dependencies gracefully (exclude self)
- Add 14 unit tests for transitive computation
This commit is contained in:
imfozilbek
2025-12-05 16:02:38 +05:00
parent 92ba3fd9ba
commit fac5966678
5 changed files with 589 additions and 13 deletions
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40
packages/ipuaro/CHANGELOG.md
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@@ -5,6 +5,46 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.30.0] - 2025-12-05 - Transitive Dependencies Count
### Added
- **Transitive Dependency Counts in FileMeta (v0.30.0)**
- New `transitiveDepCount: number` field - count of files that depend on this file transitively
- New `transitiveDepByCount: number` field - count of files this file depends on transitively
- Includes both direct and indirect dependencies/dependents
- Excludes the file itself from counts (handles circular dependencies)
- **Transitive Dependency Computation in MetaAnalyzer**
- New `computeTransitiveCounts()` method - computes transitive counts for all files
- New `getTransitiveDependents()` method - DFS with cycle detection for dependents
- New `getTransitiveDependencies()` method - DFS with cycle detection for dependencies
- Top-level caching for efficiency (avoids re-computing for each file)
- Graceful handling of circular dependencies
### Technical Details
- Total tests: 1840 passed (was 1826, +14 new tests)
- 9 new tests for computeTransitiveCounts()
- 2 new tests for getTransitiveDependents()
- 2 new tests for getTransitiveDependencies()
- 1 new test for analyzeAll with transitive counts
- Coverage: 97.58% lines, 91.5% branches, 98.64% functions
- 0 ESLint errors, 3 warnings (pre-existing complexity)
- Build successful
### Notes
This completes v0.30.0 - the final feature milestone before v1.0.0:
- ✅ 0.27.0 - Inline Dependency Graph
- ✅ 0.28.0 - Circular Dependencies in Context
- ✅ 0.29.0 - Impact Score
- ✅ 0.30.0 - Transitive Dependencies Count
Next milestone: v1.0.0 - Production Ready
---
## [0.29.0] - 2025-12-05 - Impact Score
### Added

30
packages/ipuaro/ROADMAP.md
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@@ -1987,10 +1987,10 @@ Enhance initial context for LLM: add function signatures, interface field types,
---
## Version 0.30.0 - Transitive Dependencies Count 🔢
## Version 0.30.0 - Transitive Dependencies Count 🔢 ✅
**Priority:** MEDIUM
**Status:** Planned
**Status:** Complete (v0.30.0 released)
### Description
@@ -2007,13 +2007,19 @@ interface FileMeta {
```
**Changes:**
- [ ] Add `computeTransitiveDeps()` to MetaAnalyzer
- [ ] Use DFS with memoization for efficiency
- [ ] Store in FileMeta
- [x] Add `transitiveDepCount` and `transitiveDepByCount` to FileMeta
- [x] Add `computeTransitiveCounts()` to MetaAnalyzer
- [x] Add `getTransitiveDependents()` with DFS and cycle detection
- [x] Add `getTransitiveDependencies()` with DFS and cycle detection
- [x] Use top-level caching for efficiency
- [x] Handle circular dependencies gracefully (exclude self from count)
**Tests:**
- [ ] Unit tests for transitive dependencies computation
- [ ] Performance tests for large codebases
- [x] Unit tests for transitive dependencies computation (14 tests)
- [x] Tests for circular dependencies
- [x] Tests for diamond dependency patterns
- [x] Tests for deep dependency chains
- [x] Cache behavior tests
---
@@ -2028,12 +2034,12 @@ interface FileMeta {
- [x] Error handling complete ✅ (v0.16.0)
- [ ] Performance optimized
- [x] Documentation complete ✅ (v0.17.0)
- [x] Test coverage ≥91% branches, ≥95% lines/functions/statements ✅ (91.3% branches, 97.52% lines, 98.63% functions, 97.52% statements - 1826 tests)
- [x] Test coverage ≥91% branches, ≥95% lines/functions/statements ✅ (91.5% branches, 97.58% lines, 98.64% functions, 97.58% statements - 1840 tests)
- [x] 0 ESLint errors ✅
- [x] Examples working ✅ (v0.18.0)
- [x] CHANGELOG.md up to date ✅
- [x] Rich initial context (v0.24.0-v0.26.0) — function signatures, interface fields, enum values, decorators ✅
- [ ] Graph metrics in context (v0.27.0-v0.30.0) — dependency graph ✅, circular deps ✅, impact score ✅, transitive deps
- [x] Graph metrics in context (v0.27.0-v0.30.0) — dependency graph ✅, circular deps ✅, impact score ✅, transitive deps ✅
---
@@ -2112,7 +2118,7 @@ sessions:list # List<session_id>
**Last Updated:** 2025-12-05
**Target Version:** 1.0.0
**Current Version:** 0.29.0
**Next Milestones:** v0.30.0 (Transitive Deps), v1.0.0 (Production Ready)
**Current Version:** 0.30.0
**Next Milestones:** v1.0.0 (Production Ready)
> **Note:** Rich Initial Context complete ✅ (v0.24.0-v0.26.0). Graph Metrics in progress (v0.27.0 ✅, v0.28.0 ✅, v0.29.0 ✅, v0.30.0 pending) for 1.0.0 release.
> **Note:** Rich Initial Context complete ✅ (v0.24.0-v0.26.0). Graph Metrics complete ✅ (v0.27.0-v0.30.0). All feature milestones done, ready for v1.0.0 stabilization.

6
packages/ipuaro/src/domain/value-objects/FileMeta.ts
View File

@@ -28,6 +28,10 @@ export interface FileMeta {
fileType: "source" | "test" | "config" | "types" | "unknown"
/** Impact score (0-100): percentage of codebase that depends on this file */
impactScore: number
/** Count of files that depend on this file transitively (including indirect dependents) */
transitiveDepCount: number
/** Count of files this file depends on transitively (including indirect dependencies) */
transitiveDepByCount: number
}
export function createFileMeta(partial: Partial<FileMeta> = {}): FileMeta {
@@ -44,6 +48,8 @@ export function createFileMeta(partial: Partial<FileMeta> = {}): FileMeta {
isEntryPoint: false,
fileType: "unknown",
impactScore: 0,
transitiveDepCount: 0,
transitiveDepByCount: 0,
...partial,
}
}

161
packages/ipuaro/src/infrastructure/indexer/MetaAnalyzer.ts
View File

@@ -431,7 +431,7 @@ export class MetaAnalyzer {
/**
* Batch analyze multiple files.
* Computes impact scores after all files are analyzed.
* Computes impact scores and transitive dependencies after all files are analyzed.
*/
analyzeAll(files: Map<string, { ast: FileAST; content: string }>): Map<string, FileMeta> {
const allASTs = new Map<string, FileAST>()
@@ -451,6 +451,165 @@ export class MetaAnalyzer {
meta.impactScore = calculateImpactScore(meta.dependents.length, totalFiles)
}
// Compute transitive dependency counts
this.computeTransitiveCounts(results)
return results
}
/**
* Compute transitive dependency counts for all files.
* Uses DFS with memoization for efficiency.
*/
computeTransitiveCounts(metas: Map<string, FileMeta>): void {
// Memoization caches
const transitiveDepCache = new Map<string, Set<string>>()
const transitiveDepByCache = new Map<string, Set<string>>()
// Compute transitive dependents (files that depend on this file, directly or transitively)
for (const [filePath, meta] of metas) {
const transitiveDeps = this.getTransitiveDependents(filePath, metas, transitiveDepCache)
// Exclude the file itself from count (can happen in cycles)
meta.transitiveDepCount = transitiveDeps.has(filePath)
? transitiveDeps.size - 1
: transitiveDeps.size
}
// Compute transitive dependencies (files this file depends on, directly or transitively)
for (const [filePath, meta] of metas) {
const transitiveDepsBy = this.getTransitiveDependencies(
filePath,
metas,
transitiveDepByCache,
)
// Exclude the file itself from count (can happen in cycles)
meta.transitiveDepByCount = transitiveDepsBy.has(filePath)
? transitiveDepsBy.size - 1
: transitiveDepsBy.size
}
}
/**
* Get all files that depend on the given file transitively.
* Uses DFS with cycle detection. Caching only at the top level.
*/
getTransitiveDependents(
filePath: string,
metas: Map<string, FileMeta>,
cache: Map<string, Set<string>>,
visited?: Set<string>,
): Set<string> {
// Return cached result if available (only valid for top-level calls)
if (!visited) {
const cached = cache.get(filePath)
if (cached) {
return cached
}
}
const isTopLevel = !visited
if (!visited) {
visited = new Set()
}
// Detect cycles
if (visited.has(filePath)) {
return new Set()
}
visited.add(filePath)
const result = new Set<string>()
const meta = metas.get(filePath)
if (!meta) {
if (isTopLevel) {
cache.set(filePath, result)
}
return result
}
// Add direct dependents
for (const dependent of meta.dependents) {
result.add(dependent)
// Recursively add transitive dependents
const transitive = this.getTransitiveDependents(
dependent,
metas,
cache,
new Set(visited),
)
for (const t of transitive) {
result.add(t)
}
}
// Only cache top-level results (not intermediate results during recursion)
if (isTopLevel) {
cache.set(filePath, result)
}
return result
}
/**
* Get all files that the given file depends on transitively.
* Uses DFS with cycle detection. Caching only at the top level.
*/
getTransitiveDependencies(
filePath: string,
metas: Map<string, FileMeta>,
cache: Map<string, Set<string>>,
visited?: Set<string>,
): Set<string> {
// Return cached result if available (only valid for top-level calls)
if (!visited) {
const cached = cache.get(filePath)
if (cached) {
return cached
}
}
const isTopLevel = !visited
if (!visited) {
visited = new Set()
}
// Detect cycles
if (visited.has(filePath)) {
return new Set()
}
visited.add(filePath)
const result = new Set<string>()
const meta = metas.get(filePath)
if (!meta) {
if (isTopLevel) {
cache.set(filePath, result)
}
return result
}
// Add direct dependencies
for (const dependency of meta.dependencies) {
result.add(dependency)
// Recursively add transitive dependencies
const transitive = this.getTransitiveDependencies(
dependency,
metas,
cache,
new Set(visited),
)
for (const t of transitive) {
result.add(t)
}
}
// Only cache top-level results (not intermediate results during recursion)
if (isTopLevel) {
cache.set(filePath, result)
}
return result
}
}

365
packages/ipuaro/tests/unit/infrastructure/indexer/MetaAnalyzer.test.ts
View File

@@ -3,6 +3,7 @@ import { MetaAnalyzer } from "../../../../src/infrastructure/indexer/MetaAnalyze
import { ASTParser } from "../../../../src/infrastructure/indexer/ASTParser.js"
import type { FileAST } from "../../../../src/domain/value-objects/FileAST.js"
import { createEmptyFileAST } from "../../../../src/domain/value-objects/FileAST.js"
import { createFileMeta, type FileMeta } from "../../../../src/domain/value-objects/FileMeta.js"
describe("MetaAnalyzer", () => {
let analyzer: MetaAnalyzer
@@ -737,4 +738,368 @@ export function createComponent(): MyComponent {
expect(meta.fileType).toBe("source")
})
})
describe("computeTransitiveCounts", () => {
it("should compute transitive dependents for a simple chain", () => {
// A -> B -> C (A depends on B, B depends on C)
// So C has transitive dependents: B, A
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/b.ts"],
}),
)
analyzer.computeTransitiveCounts(metas)
expect(metas.get("/project/c.ts")!.transitiveDepCount).toBe(2) // B and A
expect(metas.get("/project/b.ts")!.transitiveDepCount).toBe(1) // A
expect(metas.get("/project/a.ts")!.transitiveDepCount).toBe(0) // none
})
it("should compute transitive dependencies for a simple chain", () => {
// A -> B -> C (A depends on B, B depends on C)
// So A has transitive dependencies: B, C
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/b.ts"],
}),
)
analyzer.computeTransitiveCounts(metas)
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(2) // B and C
expect(metas.get("/project/b.ts")!.transitiveDepByCount).toBe(1) // C
expect(metas.get("/project/c.ts")!.transitiveDepByCount).toBe(0) // none
})
it("should handle diamond dependency pattern", () => {
// A
// / \
// B C
// \ /
// D
// A depends on B and C, both depend on D
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts", "/project/c.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/d.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: ["/project/d.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/d.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/b.ts", "/project/c.ts"],
}),
)
analyzer.computeTransitiveCounts(metas)
// D is depended on by B, C, and transitively by A
expect(metas.get("/project/d.ts")!.transitiveDepCount).toBe(3)
// A depends on B, C, and transitively on D
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(3)
})
it("should handle circular dependencies gracefully", () => {
// A -> B -> C -> A (circular)
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts"],
dependents: ["/project/c.ts"],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: ["/project/a.ts"],
dependents: ["/project/b.ts"],
}),
)
// Should not throw, should handle cycles
analyzer.computeTransitiveCounts(metas)
// Each file has the other 2 as transitive dependents
expect(metas.get("/project/a.ts")!.transitiveDepCount).toBe(2)
expect(metas.get("/project/b.ts")!.transitiveDepCount).toBe(2)
expect(metas.get("/project/c.ts")!.transitiveDepCount).toBe(2)
})
it("should return 0 for files with no dependencies", () => {
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: [],
dependents: [],
}),
)
analyzer.computeTransitiveCounts(metas)
expect(metas.get("/project/a.ts")!.transitiveDepCount).toBe(0)
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(0)
})
it("should handle empty metas map", () => {
const metas = new Map<string, FileMeta>()
// Should not throw
expect(() => analyzer.computeTransitiveCounts(metas)).not.toThrow()
})
it("should handle single file", () => {
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: [],
dependents: [],
}),
)
analyzer.computeTransitiveCounts(metas)
expect(metas.get("/project/a.ts")!.transitiveDepCount).toBe(0)
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(0)
})
it("should handle multiple roots depending on same leaf", () => {
// A -> C, B -> C
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: [],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/a.ts", "/project/b.ts"],
}),
)
analyzer.computeTransitiveCounts(metas)
expect(metas.get("/project/c.ts")!.transitiveDepCount).toBe(2) // A and B
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(1) // C
expect(metas.get("/project/b.ts")!.transitiveDepByCount).toBe(1) // C
})
it("should handle deep dependency chains", () => {
// A -> B -> C -> D -> E
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/c.ts"],
dependents: ["/project/a.ts"],
}),
)
metas.set(
"/project/c.ts",
createFileMeta({
dependencies: ["/project/d.ts"],
dependents: ["/project/b.ts"],
}),
)
metas.set(
"/project/d.ts",
createFileMeta({
dependencies: ["/project/e.ts"],
dependents: ["/project/c.ts"],
}),
)
metas.set(
"/project/e.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/d.ts"],
}),
)
analyzer.computeTransitiveCounts(metas)
// E has transitive dependents: D, C, B, A
expect(metas.get("/project/e.ts")!.transitiveDepCount).toBe(4)
// A has transitive dependencies: B, C, D, E
expect(metas.get("/project/a.ts")!.transitiveDepByCount).toBe(4)
})
})
describe("getTransitiveDependents", () => {
it("should return empty set for file not in metas", () => {
const metas = new Map<string, FileMeta>()
const cache = new Map<string, Set<string>>()
const result = analyzer.getTransitiveDependents("/project/unknown.ts", metas, cache)
expect(result.size).toBe(0)
})
it("should use cache for repeated calls", () => {
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/b.ts"],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: ["/project/a.ts"],
dependents: [],
}),
)
const cache = new Map<string, Set<string>>()
const result1 = analyzer.getTransitiveDependents("/project/a.ts", metas, cache)
const result2 = analyzer.getTransitiveDependents("/project/a.ts", metas, cache)
// Should return same instance from cache
expect(result1).toBe(result2)
expect(result1.size).toBe(1)
})
})
describe("getTransitiveDependencies", () => {
it("should return empty set for file not in metas", () => {
const metas = new Map<string, FileMeta>()
const cache = new Map<string, Set<string>>()
const result = analyzer.getTransitiveDependencies("/project/unknown.ts", metas, cache)
expect(result.size).toBe(0)
})
it("should use cache for repeated calls", () => {
const metas = new Map<string, FileMeta>()
metas.set(
"/project/a.ts",
createFileMeta({
dependencies: ["/project/b.ts"],
dependents: [],
}),
)
metas.set(
"/project/b.ts",
createFileMeta({
dependencies: [],
dependents: ["/project/a.ts"],
}),
)
const cache = new Map<string, Set<string>>()
const result1 = analyzer.getTransitiveDependencies("/project/a.ts", metas, cache)
const result2 = analyzer.getTransitiveDependencies("/project/a.ts", metas, cache)
// Should return same instance from cache
expect(result1).toBe(result2)
expect(result1.size).toBe(1)
})
})
describe("analyzeAll with transitive counts", () => {
it("should compute transitive counts in analyzeAll", () => {
const files = new Map<string, { ast: FileAST; content: string }>()
// A imports B, B imports C
const aContent = `import { b } from "./b"`
const aAST = parser.parse(aContent, "ts")
files.set("/project/src/a.ts", { ast: aAST, content: aContent })
const bContent = `import { c } from "./c"\nexport const b = () => c()`
const bAST = parser.parse(bContent, "ts")
files.set("/project/src/b.ts", { ast: bAST, content: bContent })
const cContent = `export const c = () => 42`
const cAST = parser.parse(cContent, "ts")
files.set("/project/src/c.ts", { ast: cAST, content: cContent })
const results = analyzer.analyzeAll(files)
// C has transitive dependents: B and A
expect(results.get("/project/src/c.ts")!.transitiveDepCount).toBe(2)
// A has transitive dependencies: B and C
expect(results.get("/project/src/a.ts")!.transitiveDepByCount).toBe(2)
})
})
})