47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
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'use strict';
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const MESSAGE_ID_IDENTIFIER = 'identifier';
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const MESSAGE_ID_NON_IDENTIFIER = 'non-identifier';
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const messages = {
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[MESSAGE_ID_IDENTIFIER]: 'Do not use an object literal as default for parameter `{{parameter}}`.',
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[MESSAGE_ID_NON_IDENTIFIER]: 'Do not use an object literal as default.',
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};
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const objectParameterSelector = [
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':function > AssignmentPattern.params',
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'[right.type="ObjectExpression"]',
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'[right.properties.length>0]',
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].join('');
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = () => ({
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[objectParameterSelector](node) {
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const {left, right} = node;
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if (left.type === 'Identifier') {
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return {
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node: left,
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messageId: MESSAGE_ID_IDENTIFIER,
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data: {parameter: left.name},
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};
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}
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return {
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node: right,
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messageId: MESSAGE_ID_NON_IDENTIFIER,
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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: 'problem',
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docs: {
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description: 'Disallow the use of objects as default parameters.',
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},
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messages,
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},
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};
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