add eslint rule to ensure exported const are prefixed with UMB_

src/Umbraco.Web.UI.Client/.eslintrc.json

@@ -51,6 +51,7 @@
 						"exceptions": ["@umbraco-cms", "@open-wc/testing", "@storybook", "msw", "."]
 					}
 				],
+				"local-rules/prefix-exported-constants": "error",
 				"@typescript-eslint/no-non-null-assertion": "off",
 				"@typescript-eslint/no-explicit-any": "warn",
 				"@typescript-eslint/no-unused-vars": "warn"

src/Umbraco.Web.UI.Client/devops/eslint/rules/prefix-exported-const.cjs

@@ -0,0 +1,27 @@
+module.exports = {
+	meta: {
+		type: 'problem',
+		docs: {
+			description: 'Ensure all exported consts are prefixed with UMB_',
+		},
+	},
+	create: function (context) {
+		return {
+			ExportNamedDeclaration(node) {
+				if (node.declaration && node.declaration.type === 'VariableDeclaration') {
+					const declaration = node.declaration.declarations[0];
+					const { id, init } = declaration;
+
+					if (id && id.type === 'Identifier' && init && init.type === 'Literal' && typeof init.value === 'string') {
+						if (!id.name.startsWith('UMB_')) {
+							context.report({
+								node: id,
+								message: 'Exported constant should be prefixed with UMB_',
+							});
+						}
+					}
+				}
+			},
+		};
+	},
+};

src/Umbraco.Web.UI.Client/eslint-local-rules.cjs

@@ -18,4 +18,5 @@ module.exports = {
 	'prefer-import-aliases': preferImportAliasesRule,
 	'prefer-static-styles-last': preferStaticStylesLastRule,
 	'umb-class-prefix': umbClassPrefixRule,
+	'prefix-exported-constants': require('./devops/eslint/rules/prefix-exported-const.cjs'),
 };