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Threat actors hijacked Toptal’s GitHub org, publishing npm packages with malicious payloads that steal tokens and attempt to wipe victim systems.
eslint-type-tracer
Advanced tools
eslint-type-tracer is the type tracer for ESLint rules.
Trace and infer types of expression nodes for ESLint rules.
npm install eslint-type-tracer
Requirements
- ESLint v8.57.0 and above
- Node.js v14.18.0, v16.0.0 and above
import { buildTypeChecker, type TypeName } from "eslint-type-tracer";
Builds a type checker function for use in ESLint rules. This function helps you determine if a given AST node is of a specific type.
Signature:
function buildTypeChecker(
sourceCode: SourceCode,
options?: { aggressiveResult?: false | "aggressive" }
): (
node: TSESTree.Expression,
className: TypeName,
memberAccessNode?: TSESTree.MemberExpression | TSESTree.Property
) => boolean | "aggressive";
sourceCode
: The ESLint SourceCode
object.options.aggressiveResult
: If set to "aggressive"
, returns this value when the type cannot be determined. Default is false
.Returns:
A function that takes an expression node, a type name, and optionally a member access node, and returns true
if the node is of the specified type, false
if not, or "aggressive"
if undetermined and the option is set.
Example:
const typeChecker = buildTypeChecker(context.sourceCode);
if (typeChecker(node, "Array")) {
// node is an Array
}
Welcome contributing!
Please use GitHub's Issues/PRs.
npm run test
runs tests.See the LICENSE file for license rights and limitations (MIT).
FAQs
The type tracer for ESLint rules.
The npm package eslint-type-tracer receives a total of 2,691 weekly downloads. As such, eslint-type-tracer popularity was classified as popular.
We found that eslint-type-tracer demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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