no-wait-for-empty-callback.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RULE_NAME = void 0;
const utils_1 = require("@typescript-eslint/utils");
const create_testing_library_rule_1 = require("../create-testing-library-rule");
const node_utils_1 = require("../node-utils");
exports.RULE_NAME = 'no-wait-for-empty-callback';
exports.default = (0, create_testing_library_rule_1.createTestingLibraryRule)({
name: exports.RULE_NAME,
meta: {
type: 'suggestion',
docs: {
description: 'Disallow empty callbacks for `waitFor` and `waitForElementToBeRemoved`',
recommendedConfig: {
dom: 'error',
angular: 'error',
react: 'error',
vue: 'error',
marko: 'error',
},
},
messages: {
noWaitForEmptyCallback: 'Avoid passing empty callback to `{{ methodName }}`. Insert an assertion instead.',
},
schema: [],
},
defaultOptions: [],
create(context, _, helpers) {
function isValidWaitFor(node) {
const parentCallExpression = node.parent;
const parentIdentifier = (0, node_utils_1.getPropertyIdentifierNode)(parentCallExpression);
if (!parentIdentifier) {
return false;
}
return helpers.isAsyncUtil(parentIdentifier, [
'waitFor',
'waitForElementToBeRemoved',
]);
}
function reportIfEmpty(node) {
if (!isValidWaitFor(node)) {
return;
}
if ((0, node_utils_1.isEmptyFunction)(node) &&
(0, node_utils_1.isCallExpression)(node.parent) &&
utils_1.ASTUtils.isIdentifier(node.parent.callee)) {
context.report({
node,
loc: node.body.loc.start,
messageId: 'noWaitForEmptyCallback',
data: {
methodName: node.parent.callee.name,
},
});
}
}
function reportNoop(node) {
if (!isValidWaitFor(node)) {
return;
}
context.report({
node,
loc: node.loc.start,
messageId: 'noWaitForEmptyCallback',
data: {
methodName: (0, node_utils_1.isCallExpression)(node.parent) &&
utils_1.ASTUtils.isIdentifier(node.parent.callee) &&
node.parent.callee.name,
},
});
}
return {
'CallExpression > ArrowFunctionExpression': reportIfEmpty,
'CallExpression > FunctionExpression': reportIfEmpty,
'CallExpression > Identifier[name="noop"]': reportNoop,
};
},
});