/** * @fileoverview Rule to disallow empty static blocks. * @author Sosuke Suzuki */ "use strict"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../types').Rule.RuleModule} */ module.exports = { meta: { hasSuggestions: true, type: "suggestion", docs: { description: "Disallow empty static blocks", recommended: true, url: "https://eslint.org/docs/latest/rules/no-empty-static-block", }, schema: [], messages: { unexpected: "Unexpected empty static block.", suggestComment: "Add comment inside empty static block.", }, }, create(context) { const sourceCode = context.sourceCode; return { StaticBlock(node) { if (node.body.length === 0) { const openingBrace = sourceCode.getFirstToken(node, { skip: 1, }); const closingBrace = sourceCode.getLastToken(node); if ( sourceCode.getCommentsBefore(closingBrace).length === 0 ) { context.report({ loc: { start: openingBrace.loc.start, end: closingBrace.loc.end, }, messageId: "unexpected", suggest: [ { messageId: "suggestComment", fix(fixer) { const range = [ openingBrace.range[1], closingBrace.range[0], ]; return fixer.replaceTextRange( range, " /* empty */ ", ); }, }, ], }); } } }, }; }, };