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/**
* 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";
const helpers = require("../helpers");
const callExpressionDefinitions = [
/^loader\.lazyGetter\((?:globalThis|window), "(\w+)"/,
/^loader\.lazyServiceGetter\((?:globalThis|window), "(\w+)"/,
/^loader\.lazyRequireGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyModuleGetter\((?:globalThis|window), "(\w+)"/,
/^ChromeUtils\.defineLazyGetter\((?:globalThis|window), "(\w+)"/,
/^ChromeUtils\.defineModuleGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyPreferenceGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyProxy\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyScriptGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineLazyServiceGetter\((?:globalThis|window), "(\w+)"/,
/^XPCOMUtils\.defineConstant\((?:globalThis|window), "(\w+)"/,
/^DevToolsUtils\.defineLazyModuleGetter\((?:globalThis|window), "(\w+)"/,
/^DevToolsUtils\.defineLazyGetter\((?:globalThis|window), "(\w+)"/,
/^Object\.defineProperty\((?:globalThis|window), "(\w+)"/,
/^Reflect\.defineProperty\((?:globalThis|window), "(\w+)"/,
/^this\.__defineGetter__\("(\w+)"/,
];
const callExpressionMultiDefinitions = [
"XPCOMUtils.defineLazyGlobalGetters(window,",
"XPCOMUtils.defineLazyGlobalGetters(globalThis,",
"XPCOMUtils.defineLazyModuleGetters(window,",
"XPCOMUtils.defineLazyModuleGetters(globalThis,",
"XPCOMUtils.defineLazyServiceGetters(window,",
"XPCOMUtils.defineLazyServiceGetters(globalThis,",
"ChromeUtils.defineESModuleGetters(window,",
"ChromeUtils.defineESModuleGetters(globalThis,",
"loader.lazyRequireGetter(window,",
"loader.lazyRequireGetter(globalThis,",
];
module.exports = {
meta: {
docs: {
url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/reject-lazy-imports-into-globals.html",
},
messages: {
rejectLazyImportsIntoGlobals:
"Non-system modules should not import into globalThis nor window. Prefer a lazy object holder",
},
schema: [],
type: "suggestion",
},
create(context) {
return {
CallExpression(node) {
let source;
try {
source = helpers.getASTSource(node);
} catch (e) {
return;
}
if (
callExpressionDefinitions.some(expr => source.match(expr)) ||
callExpressionMultiDefinitions.some(expr => source.startsWith(expr))
) {
context.report({ node, messageId: "rejectLazyImportsIntoGlobals" });
}
},
};
},
};
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