linter-bundle

Version:
Ready-to use bundle of linting tools, containing configurations for ESLint, stylelint and markdownlint.
93 lines (75 loc) • 2.57 kB
JavaScript
// @ts-nocheck

import stylelint from 'stylelint';
import getDeclarationValue from 'stylelint/lib/utils/getDeclarationValue.mjs';
import { declarationValueIndex } from 'stylelint/lib/utils/nodeFieldIndices.mjs';
import ruleMessages from 'stylelint/lib/utils/ruleMessages.mjs';
import setDeclarationValue from 'stylelint/lib/utils/setDeclarationValue.mjs';
import validateOptions from 'stylelint/lib/utils/validateOptions.mjs';

import whitespaceChecker from '../../utils/whitespaceChecker.mjs';
import declarationBangSpaceChecker from '../declarationBangSpaceChecker.mjs';

const ruleName = 'plugin/declaration-bang-space-before';

const messages = ruleMessages(ruleName, {
	expectedBefore: () => 'Expected single space before "!"',
	rejectedBefore: () => 'Unexpected whitespace before "!"'
});

const meta = {
	url: 'https://github.com/jens-duttke/linter-bundle/blob/main/stylelint/plugins/stylelint-15.11.0-stylistic/rules/declaration-bang-space-before/README.md',
	fixable: true
};

/** @type {import('stylelint').Rule} */
const rule = (primary, _secondaryOptions) => {
	const checker = whitespaceChecker('space', primary, messages);

	return (root, result) => {
		const validOptions = validateOptions(result, ruleName, {
			actual: primary,
			possible: ['always', 'never']
		});

		if (!validOptions) {
			return;
		}

		declarationBangSpaceChecker({
			root,
			result,
			locationChecker: checker.before,
			checkedRuleName: ruleName,
			fix: (decl, index) => {
				let bangIndex = index - declarationValueIndex(decl);
				const value = getDeclarationValue(decl);
				let target;
				/** @type {(val: string) => void} */
				let setFixed;

				if (bangIndex < value.length) {
					target = value;
					setFixed = (value_) => {
						setDeclarationValue(decl, value_);
					};
				}
				else if (decl.important) {
					target = (decl.raws.important ? decl.raws.important : ' !important');
					bangIndex -= value.length;
					setFixed = (value_) => {
						decl.raws.important = value_;
					};
				}
				else {
					return false; // not standard
				}

				const targetBefore = target.slice(0, bangIndex);
				const targetAfter = target.slice(bangIndex);

				if (primary === 'always') {
					setFixed(targetBefore.replace(/\s*$/u, '') + ' ' + targetAfter);

					return true;
				}

				if (primary === 'never') {
					setFixed(targetBefore.replace(/\s*$/u, '') + targetAfter);

					return true;
				}

				return false;
			}
		});
	};
};

rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
export default stylelint.createPlugin(ruleName, rule);