46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
import {isMethodCall} from './ast/index.js';
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const MESSAGE_ID = 'prefer-string-trim-start-end';
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const messages = {
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[MESSAGE_ID]: 'Prefer `String#{{replacement}}()` over `String#{{method}}()`.',
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};
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = () => ({
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CallExpression(callExpression) {
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if (!isMethodCall(callExpression, {
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methods: ['trimLeft', 'trimRight'],
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argumentsLength: 0,
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optionalCall: false,
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})) {
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return;
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}
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const node = callExpression.callee.property;
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const method = node.name;
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const replacement = method === 'trimLeft' ? 'trimStart' : 'trimEnd';
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return {
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node,
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messageId: MESSAGE_ID,
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data: {method, replacement},
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fix: fixer => fixer.replaceText(node, replacement),
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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: 'Prefer `String#trimStart()` / `String#trimEnd()` over `String#trimLeft()` / `String#trimRight()`.',
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recommended: 'unopinionated',
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},
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fixable: 'code',
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messages,
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},
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};
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export default config;
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