@atlaskit/eslint-plugin-design-system/dist/cjs/rules/utils/get-jsx-element-by-name.js

The essential plugin for use with the Atlassian Design System.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getJsxElementByName = void 0;
var _eslintCodemodUtils = require("eslint-codemod-utils");
/**
 * Given a component name finds its JSX usage
 */
var getJsxElementByName = exports.getJsxElementByName = function getJsxElementByName(componentName, scope) {
  var variableDeclaration = scope.variables.find(function (v) {
    return v.name === componentName;
  });
  if (!variableDeclaration) {
    return;
  }

  // `@typescript-eslint/scope-manager` v8 records a reference for both the opening *and* the
  // closing tag of an element, where v7 only recorded the opening one. So key off the opening
  // elements rather than the raw reference count, which differs between the two.
  var jsxOpeningElements = variableDeclaration.references.map(function (ref) {
    return ref === null || ref === void 0 ? void 0 : ref.identifier;
  }).filter(function (identifier) {
    return (0, _eslintCodemodUtils.isNodeOfType)(identifier, 'JSXIdentifier');
  }).map(function (identifier) {
    return identifier.parent;
  }).filter(function (parent) {
    return (0, _eslintCodemodUtils.isNodeOfType)(parent, 'JSXOpeningElement');
  });

  // Anything that isn't a JSX reference, beyond the declaration itself, means the component is
  // also used somewhere we can't reason about.
  var nonJsxReferences = variableDeclaration.references.filter(function (ref) {
    return !(0, _eslintCodemodUtils.isNodeOfType)(ref === null || ref === void 0 ? void 0 : ref.identifier, 'JSXIdentifier');
  });

  // there should be exactly one JSX call site, and the declaration as the only other reference.
  // we might consider handling multiple local JSX call sites in the future
  // but "this is good enough for now"™️
  if (jsxOpeningElements.length !== 1 || nonJsxReferences.length !== 1) {
    return;
  }
  return jsxOpeningElements[0];
};