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app_vue/node_modules/eslint/lib/rules/default-param-last.js

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+/**
+ * @fileoverview enforce default parameters to be last
+ * @author Chiawen Chen
+ */
+
+"use strict";
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "enforce default parameters to be last",
+            category: "Best Practices",
+            recommended: false,
+            url: "https://eslint.org/docs/rules/default-param-last"
+        },
+
+        schema: [],
+
+        messages: {
+            shouldBeLast: "Default parameters should be last."
+        }
+    },
+
+    create(context) {
+
+        // eslint-disable-next-line jsdoc/require-description
+        /**
+         * @param {ASTNode} node function node
+         * @returns {void}
+         */
+        function handleFunction(node) {
+            let hasSeenPlainParam = false;
+
+            for (let i = node.params.length - 1; i >= 0; i -= 1) {
+                const param = node.params[i];
+
+                if (
+                    param.type !== "AssignmentPattern" &&
+                    param.type !== "RestElement"
+                ) {
+                    hasSeenPlainParam = true;
+                    continue;
+                }
+
+                if (hasSeenPlainParam && param.type === "AssignmentPattern") {
+                    context.report({
+                        node: param,
+                        messageId: "shouldBeLast"
+                    });
+                }
+            }
+        }
+
+        return {
+            FunctionDeclaration: handleFunction,
+            FunctionExpression: handleFunction,
+            ArrowFunctionExpression: handleFunction
+        };
+    }
+};