62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
import {isOpeningBraceToken} from '@eslint-community/eslint-utils';
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const MESSAGE_ID = 'empty-brace-spaces';
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const messages = {
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[MESSAGE_ID]: 'Do not add spaces between braces.',
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};
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const getProblem = (node, context) => {
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const {sourceCode} = context;
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const openingBrace = sourceCode.getFirstToken(node, {filter: isOpeningBraceToken});
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const closingBrace = sourceCode.getLastToken(node);
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const [, start] = sourceCode.getRange(openingBrace);
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const [end] = sourceCode.getRange(closingBrace);
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const textBetween = sourceCode.text.slice(start, end);
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if (!/^\s+$/.test(textBetween)) {
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return;
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}
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return {
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loc: {
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start: sourceCode.getLoc(openingBrace).end,
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end: sourceCode.getLoc(closingBrace).start,
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},
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messageId: MESSAGE_ID,
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fix: fixer => fixer.removeRange([start, end]),
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};
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};
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = context => {
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context.on([
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'BlockStatement',
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'ClassBody',
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'StaticBlock',
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'ObjectExpression',
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], node => {
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const children = node.type === 'ObjectExpression' ? node.properties : node.body;
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if (children.length > 0) {
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return;
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}
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return getProblem(node, context);
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});
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};
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/** @type {import('eslint').Rule.RuleModule} */
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const config = {
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create,
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meta: {
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type: 'layout',
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docs: {
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description: 'Enforce no spaces between braces.',
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recommended: true,
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},
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fixable: 'whitespace',
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messages,
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},
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};
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export default config;
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