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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / eslint / lib / rules / no-useless-catch.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-catch.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-catch.js
new file mode 100644 (file)
index 0000000..37bf453
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+++ b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-catch.js
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+/**
+ * @fileoverview Reports useless `catch` clauses that just rethrow their error.
+ * @author Teddy Katz
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        type: "suggestion",
+
+        docs: {
+            description: "disallow unnecessary `catch` clauses",
+            category: "Best Practices",
+            recommended: true,
+            url: "https://eslint.org/docs/rules/no-useless-catch"
+        },
+
+        schema: []
+    },
+
+    create(context) {
+        return {
+            CatchClause(node) {
+                if (
+                    node.param &&
+                    node.param.type === "Identifier" &&
+                    node.body.body.length &&
+                    node.body.body[0].type === "ThrowStatement" &&
+                    node.body.body[0].argument.type === "Identifier" &&
+                    node.body.body[0].argument.name === node.param.name
+                ) {
+                    if (node.parent.finalizer) {
+                        context.report({
+                            node,
+                            message: "Unnecessary catch clause."
+                        });
+                    } else {
+                        context.report({
+                            node: node.parent,
+                            message: "Unnecessary try/catch wrapper."
+                        });
+                    }
+                }
+            }
+        };
+    }
+};