58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
import {isEmptyNode, isDirective} from './ast/index.js';
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const MESSAGE_ID = 'no-empty-file';
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const messages = {
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[MESSAGE_ID]: 'Empty files are not allowed.',
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};
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const isEmpty = node => isEmptyNode(node, isDirective);
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const isTripleSlashDirective = node =>
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node.type === 'Line' && node.value.startsWith('/');
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const hasTripeSlashDirectives = comments =>
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comments.some(currentNode => isTripleSlashDirective(currentNode));
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = context => {
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const filename = context.physicalFilename;
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if (!/\.(?:js|mjs|cjs|jsx|ts|mts|cts|tsx)$/i.test(filename)) {
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return;
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}
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return {
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Program(node) {
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if (node.body.some(node => !isEmpty(node))) {
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return;
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}
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const {sourceCode} = context;
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const comments = sourceCode.getAllComments();
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if (hasTripeSlashDirectives(comments)) {
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return;
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}
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return {
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node,
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messageId: MESSAGE_ID,
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};
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},
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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: 'suggestion',
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docs: {
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description: 'Disallow empty files.',
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recommended: 'unopinionated',
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},
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messages,
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},
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};
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export default config;
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