/
no-duplicate-hooks.ts
54 lines (49 loc) · 1.24 KB
/
no-duplicate-hooks.ts
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import { createRule, isDescribe, isEachCall, isHook } from './utils';
const newHookContext = () => ({
beforeAll: 0,
beforeEach: 0,
afterAll: 0,
afterEach: 0,
});
export default createRule({
name: __filename,
meta: {
docs: {
category: 'Best Practices',
description: 'Disallow duplicate setup and teardown hooks',
recommended: false,
},
messages: {
noDuplicateHook: 'Duplicate {{hook}} in describe block',
},
schema: [],
type: 'suggestion',
},
defaultOptions: [],
create(context) {
const hookContexts = [newHookContext()];
return {
CallExpression(node) {
if (isDescribe(node)) {
hookContexts.push(newHookContext());
}
if (isHook(node)) {
const currentLayer = hookContexts[hookContexts.length - 1];
currentLayer[node.callee.name] += 1;
if (currentLayer[node.callee.name] > 1) {
context.report({
messageId: 'noDuplicateHook',
data: { hook: node.callee.name },
node,
});
}
}
},
'CallExpression:exit'(node) {
if (isDescribe(node) && !isEachCall(node)) {
hookContexts.pop();
}
},
};
},
});