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no-hooks.js
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no-hooks.js
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'use strict';
const { getDocsUrl } = require('./util');
module.exports = {
meta: {
docs: {
url: getDocsUrl(__filename),
},
},
schema: [
{
type: 'object',
properties: {
allow: {
type: 'array',
contains: ['beforeAll', 'beforeEach', 'afterAll', 'afterEach'],
},
},
additionalProperties: false,
},
],
create(context) {
const testHookNames = Object.assign(Object.create(null), {
beforeAll: true,
beforeEach: true,
afterAll: true,
afterEach: true,
});
const whitelistedHookNames = (
context.options[0] || { allow: [] }
).allow.reduce((hashMap, value) => {
hashMap[value] = true;
return hashMap;
}, Object.create(null));
const isHook = node => testHookNames[node.callee.name];
const isWhitelisted = node => whitelistedHookNames[node.callee.name];
return {
CallExpression(node) {
if (isHook(node) && !isWhitelisted(node)) {
context.report({
node,
message: "Unexpected '{{ hookName }}' hook",
data: { hookName: node.callee.name },
});
}
},
};
},
};