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Migration Complexity Estimator

The Migration Complexity Estimator is an essential tool for teams planning migration projects, providing insights into complexity and effort based on repository details, migration type, and team size. By utilizing this generator, teams can make informed decisions, allocate resources effectively, and mitigate potential risks, ensuring a smoother transition during their migration journey.

Migration Complexity Estimator

What This Generator Creates and Why It's Useful

The Migration Complexity Estimator is a pivotal tool designed to help teams gauge the complexity and effort required for their migration projects. By evaluating various parameters, this generator provides insights that facilitate informed decision-making and streamlined planning. With a clear understanding of migration complexity, teams can allocate resources more effectively, set realistic timelines, and mitigate risks associated with the migration process.

Required Inputs and How to Prepare Them

To utilize the Migration Complexity Estimator effectively, you need to gather the following inputs:

  • repository-url: The URL of the repository containing the code or data to be migrated. Ensure that this repository is accessible and shareable within your team.
  • migration-type: Specify the type of migration you are undertaking. This could include options such as data migration, application migration, or infrastructure migration. Clearly defining this will help the estimator provide a tailored assessment.
  • team-size: Provide the approximate number of team members involved in the migration project. This helps in assessing the effort required based on available manpower.

Step-by-Step Usage Guide

Follow these steps to effectively use the Migration Complexity Estimator:

  1. Gather Required Inputs: Collect the repository URL, define the migration type, and determine the team size.
  2. Access the Migration Generator: Navigate to the Migration Complexity Estimator tool on the Vibgrate platform.
  3. Enter Inputs: Input the collected data into the designated fields in the generator interface.
  4. Run the Estimator: Click on the 'Estimate Complexity' button to initiate the assessment.
  5. Review the Output: Analyze the complexity and effort estimation provided by the tool. This may include factors like time commitment, potential risks, and resource allocation.
  6. Document Findings: Save or export the results for reference in your migration planning sessions.

Customization Options and Parameters

While the Migration Complexity Estimator has preset parameters, you can customize your experience by:

  • Adjusting Team Size: If your team size fluctuates, re-evaluate the estimation to get a better picture of effort.
  • Specifying Migration Types: Experiment with different migration types to see how the complexity changes based on your specific needs.
  • Incorporating External Factors: Consider adding any external dependencies or constraints that may affect the migration process, as these can impact the overall complexity.

Best Practices for Using Generated Output

To maximize the benefits of the Migration Complexity Estimator:

  • Collaborate with Your Team: Share the output with your team to ensure alignment and gather additional insights that may not have been considered initially.
  • Reassess Regularly: As your project evolves, revisit the estimator to adjust for new information or changes in scope.
  • Use as a Baseline: Treat the output as a baseline for your migration planning, but be prepared to adapt as real-world challenges arise.

Common Issues and Troubleshooting

When using the Migration Complexity Estimator, you may encounter the following issues:

  • Input Errors: Double-check that the repository URL is correct and accessible. Invalid URLs can lead to inaccurate estimations.
  • Unclear Migration Types: If you’re unsure of the migration type, consult with your team or refer to documentation to ensure proper classification.
  • Inaccurate Team Size: Ensure that the team size reflects not just current availability but also the skill sets necessary for the migration tasks.

Examples of Generated Output and How to Use It

The output from the Migration Complexity Estimator may include:

  • Complexity Rating: A numerical value indicating the overall complexity of the migration project (e.g., 1-10 scale).
  • Estimated Effort: Approximate hours or person-days required to complete the migration.
  • Risk Assessment: A brief summary of potential risks associated with the migration, such as data loss or downtime.

Example Output

{
  "complexity": 7,
  "estimated_effort": "120 hours",
  "risk_assessment": "Moderate risk of data loss during transfer."
}

How to Use This Output

  • Project Planning: Utilize the complexity rating to inform your project scope and timeline.
  • Resource Allocation: Use the estimated effort to allocate the right number of team members and skills to the project.
  • Risk Management: Address the identified risks proactively by implementing strategies to mitigate them during the migration process.

By leveraging the Migration Complexity Estimator, your team can navigate the complexities of migration with greater confidence and strategic foresight.

Vibgrate CLI

See a real scan run

A replay of the actual CLI running against our test repositories — live progress, real findings, a genuine DriftScore. Nothing executes in your browser.

Replay
demo@vibgrate — bash
npx @vibgrate/cli scan
 
╭──────────────────────────────────────────╮
Vibgrate Drift Report
╰──────────────────────────────────────────╯
 
── node-turborepo (node) .
Runtime: >=18.0.0 (6 majors behind)
Frameworks:
Turbo: 1.13.4 → 2.10.8 (1 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Dependencies:
1 current 1 1-behind 3 2+ behind 1 unknown
 
── @repo/admin (node) apps/admin
Frameworks:
TanStack Query: 5.101.4 → 5.101.4 (current)
React: 18.3.1 → 19.2.8 (1 behind)
React DOM: 18.3.1 → 19.2.8 (1 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Vite: 5.4.21 → 8.2.1 (3 behind)
Dependencies:
3 current 9 1-behind 3 2+ behind 4 unknown
 
── @repo/api (node) apps/api
Frameworks:
Express: 4.22.2 → 5.2.1 (1 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Vitest: 1.6.1 → 4.1.10 (3 behind)
Dependencies:
7 current 5 1-behind 3 2+ behind 4 unknown
 
── @repo/web (node) apps/web
Frameworks:
Next.js: 14.2.35 → 16.3.0 (2 behind)
React: 18.3.1 → 19.2.8 (1 behind)
React DOM: 18.3.1 → 19.2.8 (1 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Dependencies:
2 current 6 1-behind 3 2+ behind 5 unknown
 
── @repo/config (node) packages/config
Frameworks:
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Dependencies:
2 current 2 1-behind 5 2+ behind 0 unknown
 
── @repo/database (node) packages/database
Frameworks:
Prisma: 5.22.0 → 7.9.1 (2 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Dependencies:
1 current 0 1-behind 3 2+ behind 1 unknown
 
── @repo/types (node) packages/types
Frameworks:
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Dependencies:
0 current 0 1-behind 1 2+ behind 1 unknown
 
── @repo/ui (node) packages/ui
Frameworks:
React: 18.3.1 → 19.2.8 (1 behind)
TypeScript: 5.9.3 → 7.0.2 (2 behind)
React: 18.3.1 → 19.2.8 (1 behind)
Dependencies:
1 current 4 1-behind 1 2+ behind 1 unknown
 
── @repo/utils (node) packages/utils
Frameworks:
TypeScript: 5.9.3 → 7.0.2 (2 behind)
Vitest: 1.6.1 → 4.1.10 (3 behind)
Dependencies:
0 current 1 1-behind 2 2+ behind 1 unknown
 
Tech Stack
Frontend: React, React DOM
Meta-frameworks: Next.js
Bundlers: tsx, Turbo, Vite
CSS / UI: Autoprefixer, PostCSS, Tailwind CSS
Backend: Express
ORM / Database: Prisma, Prisma Client
Testing: Vitest
Lint & Format: ESLint, ESLint Prettier, ESLint React, Prettier, typescript-eslint
 
Services & Integrations
Auth: JWT 9.0.3
Databases: Prisma 5.22.0
 
TypeScript
v5.3.3 · strict ✔ · MIXED · target: ES2022
 
Build & Deploy
Package Managers: pnpm
Monorepo: npm-workspaces, pnpm-workspaces, turbo
 
Product Purpose Signals
Frameworks: react, nextjs
Evidence: 177
Top Signals:
- [heading] Dashboard (apps/admin/src/pages/Dashboard.tsx)
- [title] Revenue Overview (apps/admin/src/pages/Dashboard.tsx)
- [copy] workspace:* (packages/ui/package.json)
- [copy] ./dist (packages/ui/tsconfig.json)
- [copy] ./src/index.ts (packages/ui/package.json)
- [copy] @repo/config/tsconfig-base.json (packages/ui/tsconfig.json)
- [copy] @repo/ui (packages/ui/package.json)
- [copy] #3b82f6 (apps/admin/src/pages/Dashboard.tsx)
Unknowns:
- No pricing or billing evidence found.
- No integrations/connectors evidence found.
- No route structure evidence found.
 
Security Posture
Lockfile ✖ · .env ✔ · node_modules ✔
 
Platform
Native modules: turbo
 
Code Quality
Files: 36 · Functions: 183 · Avg complexity: 2.62 · Avg length: 21.13 lines
Max nesting: 2 · Circular deps: 0 · Dead code: 0%
God files: apps/admin/src/pages/Products (448 lines)
 
Database Schema
postgresql · 8 models · 1 enum
Models: Address, CartItem, Category, Order, OrderItem (+3 more)
 
Findings (16 errors, 11 warnings)
Node.js runtime ">=18.0.0" reached end-of-life on 2025-04-30 (latest: 24.0.0).
vibgrate/runtime-eol in .
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in .
60% of dependencies are 2+ major versions behind in node-turborepo.
vibgrate/dependency-rot in .
@types/node is 6 major versions behind (spec: ^20.11.0, latest: 26.1.2).
vibgrate/dependency-major-lag in .
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in apps/admin
Vite is 3 major versions behind (current: 5.4.21, latest: 8.2.1).
vibgrate/framework-major-lag in apps/admin
vite is 3 major versions behind (spec: ^5.0.12, latest: 8.2.1).
vibgrate/dependency-major-lag in apps/admin
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in apps/api
Vitest is 3 major versions behind (current: 1.6.1, latest: 4.1.10).
vibgrate/framework-major-lag in apps/api
@types/node is 6 major versions behind (spec: ^20.11.0, latest: 26.1.2).
vibgrate/dependency-major-lag in apps/api
vitest is 3 major versions behind (spec: ^1.2.1, latest: 4.1.10).
vibgrate/dependency-major-lag in apps/api
Next.js is 2 major versions behind (current: 14.2.35, latest: 16.3.0).
vibgrate/framework-major-lag in apps/web
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in apps/web
@types/node is 6 major versions behind (spec: ^20.11.0, latest: 26.1.2).
vibgrate/dependency-major-lag in apps/web
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in packages/config
56% of dependencies are 2+ major versions behind in @repo/config.
vibgrate/dependency-rot in packages/config
eslint-plugin-react-hooks is 3 major versions behind (spec: ^4.6.0, latest: 7.1.1).
vibgrate/dependency-major-lag in packages/config
Prisma is 2 major versions behind (current: 5.22.0, latest: 7.9.1).
vibgrate/framework-major-lag in packages/database
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in packages/database
75% of dependencies are 2+ major versions behind in @repo/database.
vibgrate/dependency-rot in packages/database
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in packages/types
100% of dependencies are 2+ major versions behind in @repo/types.
vibgrate/dependency-rot in packages/types
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in packages/ui
TypeScript is 2 major versions behind (current: 5.9.3, latest: 7.0.2).
vibgrate/framework-major-lag in packages/utils
Vitest is 3 major versions behind (current: 1.6.1, latest: 4.1.10).
vibgrate/framework-major-lag in packages/utils
67% of dependencies are 2+ major versions behind in @repo/utils.
vibgrate/dependency-rot in packages/utils
vitest is 3 major versions behind (spec: ^1.2.1, latest: 4.1.10).
vibgrate/dependency-major-lag in packages/utils
 
╭──────────────────────────────────────────╮
Top Priority Actions
╰──────────────────────────────────────────╯
 
1. Upgrade EOL runtime in node-turborepo
End-of-life runtimes no longer receive security patches and block ecosystem upgrades.
./.
>=18.0.0 → 24.0.0 (6 majors behind)
Impact: −10 drift points (runtime & EOL)
 
2. Fix security posture: no lockfile found
Without a lockfile, installs are non-deterministic. Run the install command to generate one and commit it.
./
Missing: package-lock.json, pnpm-lock.yaml, or yarn.lock
 
3. Upgrade Vite 5.4.21 → 8.2.1 in @repo/admin (+2 more)
3 major versions behind. Major framework drift increases breaking change risk and blocks access to security fixes and performance improvements.
./apps/admin
Vite: 5.4.21 → 8.2.1 (3 majors behind)
./apps/api
Vitest: 1.6.1 → 4.1.10 (3 majors behind)
./packages/utils
Vitest: 1.6.1 → 4.1.10 (3 majors behind)
Impact: −5–15 drift points
 
4. Reduce dependency rot in @repo/types (100% severely outdated)
1 of 1 dependencies are 2+ majors behind. Run `npm outdated` and prioritise packages with known CVEs or breaking API changes.
./packages/types
typescript: 5.9.3 → 7.0.2 (2 majors behind)
Impact: −5–10 drift points
 
5. Reduce dependency rot in @repo/database (75% severely outdated)
3 of 4 dependencies are 2+ majors behind. Run `npm outdated` and prioritise packages with known CVEs or breaking API changes.
./packages/database
@prisma/client: 5.22.0 → 7.9.1 (2 majors behind)
prisma: 5.22.0 → 7.9.1 (2 majors behind)
typescript: 5.9.3 → 7.0.2 (2 majors behind)
Impact: −5–10 drift points
 
╭──────────────────────────────────────────╮
Architecture Layers
╰──────────────────────────────────────────╯
 
Archetype: monorepo (80% confidence)
Files classified: 29 (6 unclassified)
 
presentation 9 files drift ████████████████████ 100 risk high
routing 4 files drift ████████████████████ 100 risk high
middleware 2 files drift ███████▍░░░░░░░░░░░░ 37 risk moderate
domain 4 files drift ████████████████████ 100 risk high
data-access 2 files drift ████████████████████ 100 risk high
infrastructure 0 files drift ░░░░░░░░░░░░░░░░░░░░ 0 risk none
config 3 files drift ░░░░░░░░░░░░░░░░░░░░ 0 risk none
shared 5 files drift ████████████████████ 100 risk high
testing 0 files drift ████████████████████ 100 risk high
 
╭──────────────────────────────────────────╮
DriftScore Summary
╰──────────────────────────────────────────╯
 
DriftScore: 66/100
Risk Level: HIGH
Projects: 9
Classified: 8 nano · 1 micro · 0 small · 0 standard
Billable: 0.42 · 9 detected → 0.42 billable projects (micro-project pricing)
0.1 micro · 0.32 nano
These fractions add up across repositories, then round down to whole billable projects.
 
Score Breakdown
Runtime: ████████████████████ 100
Frameworks: █████████▏░░░░░░░░░░ 46
Dependencies: ██████░░░░░░░░░░░░░░ 30
EOL Risk: ████████████████████ 100
 
Scanned at 2026-08-07T06:14:10.284Z · 25.2s · 286 files scanned · 56 workspace files · 27 dirs
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