diff options
Diffstat (limited to 'tools/node_modules/eslint/lib/rules/no-delete-var.js')
-rw-r--r-- | tools/node_modules/eslint/lib/rules/no-delete-var.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-delete-var.js b/tools/node_modules/eslint/lib/rules/no-delete-var.js new file mode 100644 index 0000000000..adc1b5bb9c --- /dev/null +++ b/tools/node_modules/eslint/lib/rules/no-delete-var.js @@ -0,0 +1,35 @@ +/** + * @fileoverview Rule to flag when deleting variables + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = { + meta: { + docs: { + description: "disallow deleting variables", + category: "Variables", + recommended: true + }, + + schema: [] + }, + + create(context) { + + return { + + UnaryExpression(node) { + if (node.operator === "delete" && node.argument.type === "Identifier") { + context.report({ node, message: "Variables should not be deleted." }); + } + } + }; + + } +}; |