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-rw-r--r--tools/lint/eslint/eslint-plugin-mozilla/lib/rules/lazy-getter-object-name.js48
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/lazy-getter-object-name.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/lazy-getter-object-name.js
new file mode 100644
index 0000000000..2bacac3904
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/lazy-getter-object-name.js
@@ -0,0 +1,48 @@
+/**
+ * @fileoverview Enforce the standard object name for
+ * ChromeUtils.defineESModuleGetters
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+"use strict";
+
+function isIdentifier(node, id) {
+ return node.type === "Identifier" && node.name === id;
+}
+
+module.exports = {
+ meta: {
+ docs: {
+ url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/lazy-getter-object-name.html",
+ },
+ messages: {
+ mustUseLazy:
+ "The variable name of the object passed to ChromeUtils.defineESModuleGetters must be `lazy`",
+ },
+ schema: [],
+ type: "problem",
+ },
+
+ create(context) {
+ return {
+ CallExpression(node) {
+ let { callee } = node;
+ if (
+ callee.type === "MemberExpression" &&
+ isIdentifier(callee.object, "ChromeUtils") &&
+ isIdentifier(callee.property, "defineESModuleGetters") &&
+ node.arguments.length >= 1 &&
+ !isIdentifier(node.arguments[0], "lazy")
+ ) {
+ context.report({
+ node,
+ messageId: "mustUseLazy",
+ });
+ }
+ },
+ };
+ },
+};