react-scripts
Version:
Configuration and scripts for Create React App.
70 lines (55 loc) • 1.83 kB
JavaScript
/**
* @fileoverview Prevent usage of dangerous JSX props
* @author Scott Andrews
*/
;
// ------------------------------------------------------------------------------
// Constants
// ------------------------------------------------------------------------------
var DANGEROUS_MESSAGE = 'Dangerous property \'{{name}}\' found';
var DANGEROUS_PROPERTY_NAMES = [
'dangerouslySetInnerHTML'
];
var DANGEROUS_PROPERTIES = DANGEROUS_PROPERTY_NAMES.reduce(function (props, prop) {
props[prop] = prop;
return props;
}, Object.create(null));
// ------------------------------------------------------------------------------
// Helpers
// ------------------------------------------------------------------------------
/**
* Checks if a node name match the JSX tag convention.
* @param {String} name - Name of the node to check.
* @returns {boolean} Whether or not the node name match the JSX tag convention.
*/
var tagConvention = /^[a-z]|\-/;
function isTagName(name) {
return tagConvention.test(name);
}
/**
* Checks if a JSX attribute is dangerous.
* @param {String} name - Name of the attribute to check.
* @returns {boolean} Whether or not the attribute is dnagerous.
*/
function isDangerous(name) {
return name in DANGEROUS_PROPERTIES;
}
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
module.exports = function(context) {
return {
JSXAttribute: function(node) {
if (isTagName(node.parent.name.name) && isDangerous(node.name.name)) {
context.report({
node: node,
message: DANGEROUS_MESSAGE,
data: {
name: node.name.name
}
});
}
}
};
};
module.exports.schema = [];