Migrate Command

The migrate command helps you upgrade your framework (Angular, React, Vue) to a newer version with automatic dependency alignment.

Usage

npx depfixer migrate [options]

Options

Option	Description
`--path <dir>`	Project directory (default: current)

How It Works

1. Framework Detection

DepFixer automatically detects your framework:

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  ██████╔╝ ███████╗ ██║     ██║     ██║██╔╝ ██╗███████╗██║  ██║
  ╚═════╝  ╚══════╝ ╚═╝     ╚═╝     ╚═╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
           Upgrade Fearlessly. We Handle the Rest.

⚡ DepFixer CLI v1.0.0
──────────────────────────────────────────────────

📦 PROJECT: my-angular-app
   Framework: Angular 16.0.0

Fetching available versions...

2. Version Selection

Use arrow keys to select your target version:

Select target version:

    Angular 19 (Latest)
      -> 19.0.0 - Latest stable

  > Angular 18 (LTS)
      -> 18.2.0 - Long-term support

    Angular 17
      -> 17.3.0 - Stable

Up/Down Navigate  Enter Select  Esc Cancel

3. Migration Plan

Review what will change:

🚀 MIGRATION PLAN: Angular 16 → 18
──────────────────────────────────────────────────

📊 Projection:
    • Health:     65/100 → 95/100 (Estimated)
    • Packages:   12 updates
    • Breaking:   ⚠️  2 Major Changes

PACKAGE                            CURRENT       TARGET        TYPE
---------------------------------------------------------------------------
@angular/core                      16.0.0        18.2.0        Major
@angular/cli                       16.0.0        18.2.0        Major
@angular/compiler                  16.0.0        18.2.0        Major
typescript                         4.9.5         5.4.5         Major
zone.js                            0.13.0        0.14.0        Minor
rxjs                               7.5.0         7.8.1         Patch

+--------------------------------------------------+
|                                                  |
|  MIGRATION COST:   35 CREDITS                    |
|  PLAN SIZE:        Tier: Standard                |
|                                                  |
+--------------------------------------------------+

4. Apply Migration

After confirmation and payment:

✨ SUCCESS
──────────────────────────────────────────────────

    ✓ 12 Packages Updated
    ✓ Backup: package.json.bak

    👉 NEXT STEP:
    Run the following command to finalize changes:

    $ npm install

Supported Migrations

Angular

From	To	Notes
12.x	15-19	Multi-version jump supported
13.x	16-19	TypeScript upgrade included
14.x	17-19	Standalone components available
15.x	18-19	Signals API available
16.x	18-19	Control flow syntax
17.x	18-19	Latest features

React

From	To	Notes
16.x	17-19	Concurrent mode available
17.x	18-19	Automatic batching
18.x	19	React Compiler ready

Vue

From	To	Notes
2.x	3.x	Composition API, major rewrite
3.0	3.4+	Script setup, improved reactivity

What Gets Updated

The migrate command updates:

Core framework packages - Main framework and related packages
TypeScript - Version compatible with target framework
Build tools - CLI, webpack plugins, etc.
Ecosystem packages - Router, state management, UI libraries
Type definitions - @types/* packages

Migration vs Analyze

Feature	Analyze	Migrate
Fix current issues	Yes	No
Upgrade framework	No	Yes
Version selection	No	Yes
Multi-version jump	No	Yes

Tip: Run npx depfixer (analyze) first to fix current issues, then use migrate to upgrade your framework version.

Getting Started

CLI Commands

Authentication

Guides

Pricing

Migrate

Migrate Command

Usage

Options

How It Works

1. Framework Detection

2. Version Selection

3. Migration Plan

4. Apply Migration

Supported Migrations

Angular

React

Vue

What Gets Updated

Migration vs Analyze

​Migrate Command

​Usage

​Options

​How It Works

​1. Framework Detection

​2. Version Selection

​3. Migration Plan

​4. Apply Migration

​Supported Migrations

​Angular

​React

​Vue

​What Gets Updated

​Migration vs Analyze

Migrate Command

Usage

Options

How It Works

1. Framework Detection

2. Version Selection

3. Migration Plan

4. Apply Migration

Supported Migrations

Angular

React

Vue

What Gets Updated

Migration vs Analyze