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/**
* @fileoverview Reject use of Cu.import and XPCOMUtils.defineLazyModuleGetter
* 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/use-chromeutils-import.html",
},
fixable: "code",
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,
message: "Please use ChromeUtils.import instead of Cu.import",
fix(fixer) {
return fixer.replaceText(callee, "ChromeUtils.import");
},
});
}
if (
isMemberExpression(callee, "XPCOMUtils", "defineLazyModuleGetter") &&
node.arguments.length < 4
) {
context.report({
node,
message:
"Please use ChromeUtils.defineModuleGetter instead of " +
"XPCOMUtils.defineLazyModuleGetter",
fix(fixer) {
return fixer.replaceText(
callee,
"ChromeUtils.defineModuleGetter"
);
},
});
}
},
};
},
};
|
