52 lines
1.1 KiB
JavaScript
52 lines
1.1 KiB
JavaScript
'use strict';
|
|
const {isFunction} = require('./ast/index.js');
|
|
|
|
const MESSAGE_ID_IDENTIFIER = 'identifier';
|
|
const MESSAGE_ID_NON_IDENTIFIER = 'non-identifier';
|
|
const messages = {
|
|
[MESSAGE_ID_IDENTIFIER]: 'Do not use an object literal as default for parameter `{{parameter}}`.',
|
|
[MESSAGE_ID_NON_IDENTIFIER]: 'Do not use an object literal as default.',
|
|
};
|
|
|
|
/** @param {import('eslint').Rule.RuleContext} context */
|
|
const create = () => ({
|
|
AssignmentPattern(node) {
|
|
if (!(
|
|
node.right.type === 'ObjectExpression'
|
|
&& node.right.properties.length > 0
|
|
&& isFunction(node.parent)
|
|
&& node.parent.params.includes(node)
|
|
)) {
|
|
return;
|
|
}
|
|
|
|
const {left, right} = node;
|
|
|
|
if (left.type === 'Identifier') {
|
|
return {
|
|
node: left,
|
|
messageId: MESSAGE_ID_IDENTIFIER,
|
|
data: {parameter: left.name},
|
|
};
|
|
}
|
|
|
|
return {
|
|
node: right,
|
|
messageId: MESSAGE_ID_NON_IDENTIFIER,
|
|
};
|
|
},
|
|
});
|
|
|
|
/** @type {import('eslint').Rule.RuleModule} */
|
|
module.exports = {
|
|
create,
|
|
meta: {
|
|
type: 'problem',
|
|
docs: {
|
|
description: 'Disallow the use of objects as default parameters.',
|
|
recommended: true,
|
|
},
|
|
messages,
|
|
},
|
|
};
|