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/**
* @fileoverview Reject using element.parentNode.removeChild(element) when
* element.remove() can be used instead.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
"use strict";
// -----------------------------------------------------------------------------
// Rule Definition
// -----------------------------------------------------------------------------
var helpers = require("../helpers");
module.exports = function(context) {
// ---------------------------------------------------------------------------
// Public
// --------------------------------------------------------------------------
return {
CallExpression(node) {
let callee = node.callee;
if (
callee.type !== "MemberExpression" ||
callee.property.type !== "Identifier" ||
callee.property.name != "removeChild" ||
node.arguments.length != 1
) {
return;
}
if (
callee.object.type == "MemberExpression" &&
callee.object.property.type == "Identifier" &&
callee.object.property.name == "parentNode" &&
helpers.getASTSource(callee.object.object, context) ==
helpers.getASTSource(node.arguments[0])
) {
context.report(
node,
"use element.remove() instead of " +
"element.parentNode.removeChild(element)"
);
}
if (
node.arguments[0].type == "MemberExpression" &&
node.arguments[0].property.type == "Identifier" &&
node.arguments[0].property.name == "firstChild" &&
helpers.getASTSource(callee.object, context) ==
helpers.getASTSource(node.arguments[0].object)
) {
context.report(
node,
"use element.firstChild.remove() instead of " +
"element.removeChild(element.firstChild)"
);
}
},
};
};
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