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fix: hooks-extra/prefer-use-state-lazy-initialization false positive on useState(use(promise)) closes #999 #1000

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Mar 20, 2025
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Original file line number Diff line number Diff line change
Expand Up @@ -260,6 +260,27 @@ ruleTester.run(RULE_NAME, rule, {
'const { useState } = require("react"); useState(1 < 2 ? 3 : 4)',
'const { useState } = require("react"); useState(1 == 2 ? 3 : 4)',
'const { useState } = require("react"); useState(1 === 2 ? 3 : 4)',
"const [state, setState] = useState(use(promise));",
{
code: tsx`
import { useState, use } from 'react';

const promise = Promise.resolve();

function App() {
const [state, setState] = useState(use(promise));

return null;
}

export default App;
`,
settings: {
"react-x": {
version: "19.0.0",
},
},
},
{
code: "useLocalStorageState()",
settings: {
Expand Down
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// Ported from https://github.com/jsx-eslint/eslint-plugin-react/pull/3579/commits/ebb739a0fe99a2ee77055870bfda9f67a2691374
import * as AST from "@eslint-react/ast";
import { isReactHookCall, isReactHookCallWithNameLoose, isUseStateCall } from "@eslint-react/core";
import { isReactHookCall, isReactHookCallWithNameLoose, isReactHookName, isUseStateCall } from "@eslint-react/core";
import type { RuleContext, RuleFeature } from "@eslint-react/shared";
import { getSettingsFromContext } from "@eslint-react/shared";
import type { RuleListener } from "@typescript-eslint/utils/ts-eslint";
Expand All @@ -14,8 +14,16 @@ export const RULE_FEATURES = [] as const satisfies RuleFeature[];

export type MessageID = CamelCase<typeof RULE_NAME>;

// variables should be defined here
const ALLOW_LIST = ["Boolean", "String", "Number"];
// identifier names for allowed function names
const ALLOW_LIST = [
"Boolean",
"String",
"Number",
];

function isAllowedName(name: string): boolean {
return ALLOW_LIST.includes(name) || isReactHookName(name);
}

// rule takes inspiration from https://github.com/facebook/react/issues/26520
export default createRule<[], MessageID>({
Expand Down Expand Up @@ -54,11 +62,11 @@ export function create(context: RuleContext<MessageID, []>): RuleListener {
const nestedCallExpressions = AST.getNestedCallExpressions(useStateInput);
const hasFunctionCall = nestedCallExpressions.some((n) => {
return "name" in n.callee
&& !ALLOW_LIST.includes(n.callee.name);
&& !isAllowedName(n.callee.name);
});
const hasNewCall = AST.getNestedNewExpressions(useStateInput).some((n) => {
return "name" in n.callee
&& !ALLOW_LIST.includes(n.callee.name);
&& !isAllowedName(n.callee.name);
});
if (!hasFunctionCall && !hasNewCall) {
return;
Expand Down