@atlaskit/eslint-plugin-design-system/dist/es2019/rules/no-unused-css-map/index.js

The essential plugin for use with the Atlassian Design System.

import { getScope, getSourceCode } from '@atlaskit/eslint-utils/context-compat';
import { CSS_IN_JS_IMPORTS, isCssMap } from '@atlaskit/eslint-utils/is-supported-import';
import { createLintRule } from '../utils/create-lint-rule';
import { getCssMapObject } from './get-css-map-object';
import { UnusedCssMapChecker } from './unused-css-map-checker';
const IMPORT_SOURCES = [CSS_IN_JS_IMPORTS.compiled, CSS_IN_JS_IMPORTS.atlaskitCss];
const createUnusedCssMapRule = context => {
  const {
    text
  } = getSourceCode(context);
  if (IMPORT_SOURCES.every(importSource => !text.includes(importSource))) {
    return {};
  }
  return {
    CallExpression(node) {
      const references = getScope(context, node).references;
      if (!isCssMap(node.callee, references, IMPORT_SOURCES)) {
        return;
      }
      const cssMapObject = getCssMapObject(node);
      if (!cssMapObject) {
        return;
      }
      const unusedCssMapChecker = new UnusedCssMapChecker(cssMapObject, context, node);
      unusedCssMapChecker.run();
    }
  };
};
const noUnusedCssMapRule = createLintRule({
  meta: {
    name: 'no-unused-css-map',
    docs: {
      description: 'Detects unused styles in cssMap objects to help keep code clean.',
      recommended: true,
      severity: 'warn'
    },
    messages: {
      unusedCssMapStyle: 'Unused style "{{styleName}}" in cssMap. Consider removing it if not needed.'
    },
    schema: [],
    type: 'suggestion'
  },
  create: createUnusedCssMapRule
});
export default noUnusedCssMapRule;