Impact Investigation

Understand blast radius and dependency impact before refactoring.

Tier: Free

Common use cases

•Predicting blast radius before refactoring
•Understanding downstream effects of a change
•Planning safe module removal or moves
•Assessing risk for high-fan-in modules

CLI Output Example

Run inside your repository

terminal

$ arc impact src/services/auth.ts
Blast radius: 23 modules
Direct dependents: 4
High-risk in radius: 2
Suggested: run tests and arc guard before merging.

CLI commands

Commands for this capability. Expand for example usage and related commands.

Typical workflow

How engineers use these commands together.

1.arc impact
2.arc impact-dependents
3.arc investigate

Related capabilities

Architecture Discovery

Discover repository structure, modules, and dependencies. No configuration required.

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Architecture Analysis

Evaluate health, boundaries, and structural risks. Detect cycles, smells, and hotspots.

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Apply Fixes & Watch

Apply safe architectural fixes automatically (arc fix) and keep your architecture clean with continuous fixing (arc watch).

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New to ArcSight? Install the CLI