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📄 discriminateAnyType.test.ts

📊 Analysis Summary

Metric	Count
🔧 Functions	2
📦 Imports	4
📊 Variables & Constants	5
📑 Type Aliases	1

📚 Table of Contents

• Imports
• Variables & Constants
• Functions
• Type Aliases

🛠️ File Location:

📂 packages/type-utils/tests/discriminateAnyType.test.ts

📦 Imports

Name	Source
TSESTree	@typescript-eslint/typescript-estree
AnyType	../src/index.js
discriminateAnyType	../src/index.js
parseCodeForEslint	./test-utils/custom-matchers/custom-matchers.js

---

Variables & Constants

Name	Type	Kind	Value	Exported
declaration	TSESTree.VariableDeclaration	const	ast.body.at(-1) as TSESTree.VariableDeclaration	✗
code	"\nclass Foo {\n foo() {\n return this;\n }\n protected then(resolve: () => void): void {\n resolve();\n }\n};\n "	const	``
class Foo {
foo() {
return this;
}
protected then(resolve: () => void): void {
resolve();
}
};
``	✗
classDeclration	TSESTree.ClassDeclaration	const	ast.body[0] as TSESTree.ClassDeclaration	✗
method	TSESTree.MethodDefinition	const	`classDeclration.body
.body[0] as TSESTree.MethodDefinition`	✗
returnStatement	TSESTree.ReturnStatement	const	`method.value.body?.body.at(
-1,
) as TSESTree.ReturnStatement`	✗

---

Functions

getDeclarationId(ast: TSESTree.Program): TSESTree.Node

Code

function getDeclarationId(ast: TSESTree.Program): TSESTree.Node {
    const declaration = ast.body.at(-1) as TSESTree.VariableDeclaration;
    const { id } = declaration.declarations[0];
    return id;
  }

• Parameters:
• ast: TSESTree.Program
• Return Type: TSESTree.Node
• Calls:
• ast.body.at

getTypes(code: string, getNode: GetNode): { checker: any; program: any; tsNode: any; type: any; }

Code

function getTypes(code: string, getNode: GetNode) {
    const { ast, services } = parseCodeForEslint(code);
    const node = getNode(ast);
    const type = services.getTypeAtLocation(getNode(ast));
    return {
      checker: services.program.getTypeChecker(),
      program: services.program,
      tsNode: services.esTreeNodeToTSNodeMap.get(node),
      type,
    };
  }

• Parameters:
• code: string
• getNode: GetNode
• Return Type: { checker: any; program: any; tsNode: any; type: any; }
• Calls:
• parseCodeForEslint (from ./test-utils/custom-matchers/custom-matchers.js)
• getNode
• services.getTypeAtLocation
• services.program.getTypeChecker
• services.esTreeNodeToTSNodeMap.get

---

Type Aliases

GetNode

type GetNode = (ast: TSESTree.Program) => TSESTree.Node;

---