49 lines
1018 B
JavaScript
49 lines
1018 B
JavaScript
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'use strict';
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const {
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isParenthesized,
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getParenthesizedRange,
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} = require('./utils/parentheses.js');
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const toLocation = require('./utils/to-location.js');
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const MESSAGE_ID_ERROR = 'no-unreadable-iife';
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const messages = {
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[MESSAGE_ID_ERROR]: 'IIFE with parenthesized arrow function body is considered unreadable.',
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};
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const selector = [
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'CallExpression',
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' > ',
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'ArrowFunctionExpression.callee',
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' > ',
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':not(BlockStatement).body',
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].join('');
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = context => ({
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[selector](node) {
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const sourceCode = context.getSourceCode();
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if (!isParenthesized(node, sourceCode)) {
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return;
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}
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return {
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node,
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loc: toLocation(getParenthesizedRange(node, sourceCode), sourceCode),
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messageId: MESSAGE_ID_ERROR,
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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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module.exports = {
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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 unreadable IIFEs.',
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},
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hasSuggestions: false,
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messages,
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},
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};
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