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📄 no-non-null-asserted-nullish-coalescing.ts

📊 Analysis Summary

Metric	Count
🔧 Functions	2
📦 Imports	8
📊 Variables & Constants	2

📚 Table of Contents

• Imports
• Variables & Constants
• Functions

🛠️ File Location:

📂 packages/eslint-plugin/src/rules/no-non-null-asserted-nullish-coalescing.ts

📦 Imports

Name	Source
Definition	@typescript-eslint/scope-manager
TSESLint	@typescript-eslint/utils
DefinitionType	@typescript-eslint/scope-manager
ASTUtils	@typescript-eslint/utils
TSESTree	@typescript-eslint/utils
createRule	../util
nullThrows	../util
NullThrowsReasons	../util

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Variables & Constants

Name	Type	Kind	Value	Exported
variableDeclarator	any	const	definition.node	✗
identifier	any	const	node.expression	✗

---

Functions

hasAssignmentBeforeNode(variable: TSESLint.Scope.Variable, node: TSESTree.Node): boolean

Code

function hasAssignmentBeforeNode(
  variable: TSESLint.Scope.Variable,
  node: TSESTree.Node,
): boolean {
  return (
    variable.references.some(
      ref => ref.isWrite() && ref.identifier.range[1] < node.range[1],
    ) ||
    variable.defs.some(
      def =>
        isDefinitionWithAssignment(def) && def.node.range[1] < node.range[1],
    )
  );
}

• Parameters:
• variable: TSESLint.Scope.Variable
• node: TSESTree.Node
• Return Type: boolean
• Calls:
• variable.references.some
• ref.isWrite
• variable.defs.some
• isDefinitionWithAssignment

isDefinitionWithAssignment(definition: Definition): boolean

Code

function isDefinitionWithAssignment(definition: Definition): boolean {
  if (definition.type !== DefinitionType.Variable) {
    return false;
  }

  const variableDeclarator = definition.node;
  return variableDeclarator.definite || variableDeclarator.init != null;
}

• Parameters:
• definition: Definition
• Return Type: boolean

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