@typescript-eslint/scope-manager
Advanced tools
The @typescript-eslint/scope-manager package is part of the TypeScript ESLint project. It is used to generate TypeScript-aware scope information for ESLint. This scope information is essential for linting TypeScript codebases, as it understands TypeScript-specific features like types and interfaces, which are not present in regular JavaScript.
Scope Analysis
The package analyzes the scope of variables and types within TypeScript code. It helps in identifying where variables are defined and how they are being used, which is crucial for linting and avoiding errors like variable shadowing or undeclared variables.
N/ATypeScript-specific Scope Handling
It extends ESLint's scope analysis capabilities to understand TypeScript-specific constructs such as interfaces, types, and enums, which are not part of the standard JavaScript language.
N/AIntegration with ESLint
The scope manager is designed to work seamlessly with ESLint, allowing developers to use ESLint's rule set for TypeScript code. It provides the necessary scope information to ESLint rules so they can operate on TypeScript code as they would on JavaScript code.
N/Aeslint-scope is a package that performs scope analysis for JavaScript code. It is used by ESLint to determine the variables and their references within the code. Unlike @typescript-eslint/scope-manager, it does not have built-in support for TypeScript-specific features.
ts-morph is a TypeScript compiler API wrapper that provides an easier way to interact with the TypeScript compiler. It includes features for analyzing and manipulating TypeScript code, which can be used for tasks similar to scope analysis. However, it is a more general-purpose tool and not specifically tailored for ESLint integration.
typescript-eslint-parser is a parser that allows ESLint to lint TypeScript code. It is an older package that has been deprecated in favor of @typescript-eslint/parser, which works in conjunction with @typescript-eslint/scope-manager to provide linting capabilities for TypeScript code.
@typescript-eslint/scope-manager
👉 See https://typescript-eslint.io/packages/scope-manager for documentation on this package.
See https://typescript-eslint.io for general documentation on typescript-eslint, the tooling that allows you to run ESLint and Prettier on TypeScript code.
8.0.1 (2024-08-05)
You can read about our versioning strategy and releases on our website.
👉 See Announcing typescript-eslint v8 for an upgrade guide and the full list of changes.
reportUnusedIgnorePattern option (#9324)ignoreClassWithStaticInitBlock (#9325)projectService in disabled-type-checked shared config (#9460)RuleModuleWithMetaDocs (#9465)You can read about our versioning strategy and releases on our website.
FAQs
TypeScript scope analyser for ESLint
The npm package @typescript-eslint/scope-manager receives a total of 29,571,708 weekly downloads. As such, @typescript-eslint/scope-manager popularity was classified as popular.
We found that @typescript-eslint/scope-manager demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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