diff options
Diffstat (limited to 'tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-chromeutils-import.js')
-rw-r--r-- | tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-chromeutils-import.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-chromeutils-import.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-chromeutils-import.js new file mode 100644 index 0000000000..925b4800bc --- /dev/null +++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-chromeutils-import.js @@ -0,0 +1,63 @@ +/** + * @fileoverview Reject use of Cu.import in favor of ChromeUtils. + * + * 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 && node.type === "Identifier" && node.name === id; +} + +function isMemberExpression(node, object, member) { + return ( + node.type === "MemberExpression" && + isIdentifier(node.object, object) && + isIdentifier(node.property, member) + ); +} + +module.exports = { + meta: { + docs: { + url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/rules/use-chromeutils-import.html", + }, + fixable: "code", + messages: { + useChromeUtilsImport: + "Please use ChromeUtils.import instead of Cu.import", + }, + schema: [], + type: "suggestion", + }, + + create(context) { + return { + CallExpression(node) { + if (node.callee.type !== "MemberExpression") { + return; + } + + let { callee } = node; + + // Is the expression starting with `Cu` or `Components.utils`? + if ( + (isIdentifier(callee.object, "Cu") || + isMemberExpression(callee.object, "Components", "utils")) && + isIdentifier(callee.property, "import") + ) { + context.report({ + node, + messageId: "useChromeUtilsImport", + fix(fixer) { + return fixer.replaceText(callee, "ChromeUtils.import"); + }, + }); + } + }, + }; + }, +}; |