@sumup-oss/eslint-plugin-circuit-ui
Version:
ESLint rules to lint Circuit UI.
67 lines (66 loc) • 2.87 kB
JavaScript
/**
* Copyright 2023, SumUp Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ESLintUtils } from '@typescript-eslint/utils';
import { schema } from '@sumup-oss/design-tokens';
const PREFIX = '--cui-';
const VALID_CUSTOM_PROPERTIES_WITHOUT_PREFIX = schema.map(({ name }) => name.replace(PREFIX, ''));
const REGEX_STRING = `(?:${PREFIX})(?!(?:${VALID_CUSTOM_PROPERTIES_WITHOUT_PREFIX.join('|')})[^\\w-])[\\w-]+`;
const createRule = ESLintUtils.RuleCreator((name) => `https://github.com/sumup-oss/circuit-ui/tree/main/packages/eslint-plugin-circuit-ui/${name}`);
export const noInvalidCustomProperties = createRule({
name: 'no-invalid-custom-properties',
meta: {
type: 'problem',
schema: [],
docs: {
description: 'Custom properties prefixed with `--cui-` should be valid Circuit UI design tokens.',
recommended: 'error',
},
messages: {
invalid: '`{{name}}` is not a valid Circuit UI design token.',
},
},
defaultOptions: [],
create(context) {
return {
// Inspired by `no-tabs`: https://github.com/eslint/eslint/blob/b98fdd413a3b07b262bfce6f704c1c1bb8582770/lib/rules/no-tabs.js
Program(node) {
context.sourceCode.getLines().forEach((line, index) => {
const regex = new RegExp(REGEX_STRING, 'g');
let match;
// biome-ignore lint/suspicious/noAssignInExpressions: This is fine
while ((match = regex.exec(line)) !== null) {
context.report({
node,
loc: {
start: {
line: index + 1,
column: match.index,
},
end: {
line: index + 1,
column: match.index + match[0].length,
},
},
messageId: 'invalid',
data: {
name: match[0],
},
});
}
});
},
};
},
});