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app_vue/node_modules/eslint/lib/rules/no-multi-str.js

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+/**
+ * @fileoverview Rule to flag when using multiline strings
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow multiline strings",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/no-multi-str"
+        },
+
+        schema: [],
+
+        messages: {
+            multilineString: "Multiline support is limited to browsers supporting ES5 only."
+        }
+    },
+
+    create(context) {
+
+        /**
+         * Determines if a given node is part of JSX syntax.
+         * @param {ASTNode} node The node to check.
+         * @returns {boolean} True if the node is a JSX node, false if not.
+         * @private
+         */
+        function isJSXElement(node) {
+            return node.type.indexOf("JSX") === 0;
+        }
+
+        //--------------------------------------------------------------------------
+        // Public API
+        //--------------------------------------------------------------------------
+
+        return {
+
+            Literal(node) {
+                if (astUtils.LINEBREAK_MATCHER.test(node.raw) && !isJSXElement(node.parent)) {
+                    context.report({
+                        node,
+                        messageId: "multilineString"
+                    });
+                }
+            }
+        };
+
+    }
+};