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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React, { useEffect } from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import axios from "axios";
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Assignment to property of function parameter 'config'. Open
config.currentUser.imageUrl = encodeURIComponent(config.currentUser.imageUrl);
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Disallow Reassignment of Function Parameters (no-param-reassign)
Assignment to variables declared as function parameters can be misleading and lead to confusing behavior, as modifying function parameters will also mutate the arguments
object. Often, assignment to function parameters is unintended and indicative of a mistake or programmer error.
This rule can be also configured to fail when function parameters are modified. Side effects on parameters can cause counter-intuitive execution flow and make errors difficult to track down.
Rule Details
This rule aims to prevent unintended behavior caused by modification or reassignment of function parameters.
Examples of incorrect code for this rule:
/*eslint no-param-reassign: "error"*/
function foo(bar) {
bar = 13;
}
function foo(bar) {
bar++;
}
Examples of correct code for this rule:
/*eslint no-param-reassign: "error"*/
function foo(bar) {
var baz = bar;
}
Options
This rule takes one option, an object, with a boolean property "props"
and an array "ignorePropertyModificationsFor"
. "props"
is false
by default. If "props"
is set to true
, this rule warns against the modification of parameter properties unless they're included in "ignorePropertyModificationsFor"
, which is an empty array by default.
props
Examples of correct code for the default { "props": false }
option:
/*eslint no-param-reassign: ["error", { "props": false }]*/
function foo(bar) {
bar.prop = "value";
}
function foo(bar) {
delete bar.aaa;
}
function foo(bar) {
bar.aaa++;
}
Examples of incorrect code for the { "props": true }
option:
/*eslint no-param-reassign: ["error", { "props": true }]*/
function foo(bar) {
bar.prop = "value";
}
function foo(bar) {
delete bar.aaa;
}
function foo(bar) {
bar.aaa++;
}
Examples of correct code for the { "props": true }
option with "ignorePropertyModificationsFor"
set:
/*eslint no-param-reassign: ["error", { "props": true, "ignorePropertyModificationsFor": ["bar"] }]*/
function foo(bar) {
bar.prop = "value";
}
function foo(bar) {
delete bar.aaa;
}
function foo(bar) {
bar.aaa++;
}
When Not To Use It
If you want to allow assignment to function parameters, then you can safely disable this rule.
Further Reading
Parsing error: Invalid ecmaVersion. Open
import fs from "fs";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import auth from "./auth";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import ptBr from "./pt-br";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import { createStore } from "redux";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import PropTypes from "prop-types";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
export { Logo } from "./logo";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Parsing error: Unexpected token > Open
<>
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import auth from "./auth";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
import React from "react";
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Definition for rule 'react-hooks/exhaustive-deps' was not found Open
export const ADD_ERROR = "ADD_ERROR";
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