72 lines
2.0 KiB
JavaScript
Executable File
72 lines
2.0 KiB
JavaScript
Executable File
/**
|
|
* @fileoverview Prevent passing of children as props
|
|
* @author Benjamin Stepp
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
const docsUrl = require('../util/docsUrl');
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Helpers
|
|
// ------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Checks if the node is a createElement call with a props literal.
|
|
* @param {ASTNode} node - The AST node being checked.
|
|
* @returns {Boolean} - True if node is a createElement call with a props
|
|
* object literal, False if not.
|
|
*/
|
|
function isCreateElementWithProps(node) {
|
|
return node.callee &&
|
|
node.callee.type === 'MemberExpression' &&
|
|
node.callee.property.name === 'createElement' &&
|
|
node.arguments.length > 1 &&
|
|
node.arguments[1].type === 'ObjectExpression';
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
// ------------------------------------------------------------------------------
|
|
|
|
module.exports = {
|
|
meta: {
|
|
docs: {
|
|
description: 'Prevent passing of children as props.',
|
|
category: 'Best Practices',
|
|
recommended: true,
|
|
url: docsUrl('no-children-prop')
|
|
},
|
|
schema: []
|
|
},
|
|
create(context) {
|
|
return {
|
|
JSXAttribute(node) {
|
|
if (node.name.name !== 'children') {
|
|
return;
|
|
}
|
|
|
|
context.report({
|
|
node,
|
|
message: 'Do not pass children as props. Instead, nest children between the opening and closing tags.'
|
|
});
|
|
},
|
|
CallExpression(node) {
|
|
if (!isCreateElementWithProps(node)) {
|
|
return;
|
|
}
|
|
|
|
const props = node.arguments[1].properties;
|
|
const childrenProp = props.find(prop => prop.key && prop.key.name === 'children');
|
|
|
|
if (childrenProp) {
|
|
context.report({
|
|
node,
|
|
message: 'Do not pass children as props. Instead, pass them as additional arguments to React.createElement.'
|
|
});
|
|
}
|
|
}
|
|
};
|
|
}
|
|
};
|