eslint-plugin-perfectionist/dist/rules/sort-imports/is-side-effect-import.js

ESLint plugin for sorting various data such as objects, imports, types, enums, JSX props, etc.

import { UnreachableCaseError } from '../../utils/unreachable-case-error.js'
import { AST_NODE_TYPES } from '@typescript-eslint/utils'
/**
 * Determines whether the given AST node is a side-effect import.
 *
 * @param props - The parameters object.
 * @param props.sourceCode - ESLint source code object for text extraction.
 * @param props.node - The AST node representing an import-like declaration.
 * @returns True if the node is a side-effect import; otherwise, false.
 */
function isSideEffectImport({ sourceCode, node }) {
  switch (node.type) {
    case AST_NODE_TYPES.TSImportEqualsDeclaration:
    case AST_NODE_TYPES.VariableDeclaration:
      return false
    case AST_NODE_TYPES.ImportDeclaration:
      return (
        node.specifiers.length === 0 &&
        !/\}\s*from\s+/u.test(sourceCode.getText(node))
      )
    /* v8 ignore next 2 -- @preserve Exhaustive guard. */
    default:
      throw new UnreachableCaseError(node)
  }
}
export { isSideEffectImport }