plugin-remove-useless-arguments

@putout/plugin-remove-useless-arguments

🐊Putout plugin adds ability to find and remove useless arguments.

Install

npm i @putout/plugin-remove-useless-arguments

Rules

• ✅ arguments;
• ✅ destructuring;
• ✅ method;
• ✅ unused;
• ✅ json-parse;

Config

{
    "rules": {
        "remove-useless-arguments/arguments": "on",
        "remove-useless-arguments/destructuring": "on",
        "remove-useless-arguments/method": "on",
        "remove-useless-arguments/unused": "on",
        "remove-useless-arguments/json-parse": "on"
    }
}

arguments

❌ Example of incorrect code

const sum = (a, b) => {}; // destructuring
sum(a, b, c);

✅ Example of correct code

const sum = (a, b) => {};
sum(a, b);

destructuring

❌ Example of incorrect code

onIfStatement({
    push,
    generate,
    abc,
    helloworld,
});

function onIfStatement({push}) {}

✅ Example of correct code

onIfStatement({
    push,
});

function onIfStatement({push}) {}

method

Check it out in 🐊Putout Editor.

❌ Example of incorrect code

class Parser {
    parseStatement(context, topLevel, exports) {
        this.parseGuard(a, b);
    }
    
    parseGuard() {}
}

✅ Example of correct code

class Parser {
    parseStatement(context, topLevel, exports) {
        this.parseGuard();
    }
    
    parseGuard() {}
}

unused

Check it out in 🐊Putout Editor.

❌ Example of incorrect code

member += compute(member, list[i]);

function compute(member, current) {
    return String(current);
}

✅ Example of correct code

member += compute(list[i]);

function compute(current) {
    return String(current);
}

json-parse

The JSON.parse() static method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.

(c) MDN

Check it out in 🐊Putout Editor.

❌ Example of incorrect code

import {operator} from 'putout';

const {fromJS} = operator;
JSON.parse(fromJS(print(ast)), null, 4);

✅ Example of correct code

import {operator} from 'putout';

const {fromJS} = operator;
JSON.parse(fromJS(print(ast)));

License

MIT