Add components

slider/node_modules/eslint/lib/rules/no-script-url.js

@@ -0,0 +1,68 @@
+/**
+ * @fileoverview Rule to disallow `javascript:` URLs
+ * @author Ilya Volodin
+ */
+/* eslint no-script-url: 0 -- Code is checking to report such URLs */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../types').Rule.RuleModule} */
+module.exports = {
+	meta: {
+		type: "suggestion",
+
+		docs: {
+			description: "Disallow `javascript:` URLs",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/no-script-url",
+		},
+
+		schema: [],
+
+		messages: {
+			unexpectedScriptURL: "Script URL is a form of eval.",
+		},
+	},
+
+	create(context) {
+		/**
+		 * Check whether a node's static value starts with `javascript:` or not.
+		 * And report an error for unexpected script URL.
+		 * @param {ASTNode} node node to check
+		 * @returns {void}
+		 */
+		function check(node) {
+			const value = astUtils.getStaticStringValue(node);
+
+			if (
+				typeof value === "string" &&
+				value.toLowerCase().indexOf("javascript:") === 0
+			) {
+				context.report({ node, messageId: "unexpectedScriptURL" });
+			}
+		}
+		return {
+			Literal(node) {
+				if (node.value && typeof node.value === "string") {
+					check(node);
+				}
+			},
+			TemplateLiteral(node) {
+				if (
+					!(
+						node.parent &&
+						node.parent.type === "TaggedTemplateExpression"
+					)
+				) {
+					check(node);
+				}
+			},
+		};
+	},
+};