🐊Putout plugin adds ability to find and remove useless variables.
npm i @putout/plugin-remove-useless-variables -D
- ✅ [declaration][#declaration];
- ✅ [destruct][#destruct];
- ✅ [duplicate][#duplicate];
- ✅ [remove][#remove];
- ✅ [rename][#rename];
{
"rules": {
"remove-useless-variables/rename": "on",
"remove-useless-variables/remove": "on",
"remove-useless-variables/destruct": "on",
"remove-useless-variables/await": "on",
"remove-useless-variables/declaration": "on",
"remove-useless-variables/duplicate": "on"
}
}function hi(a) {
const b = a;
}function hi(b) {}function hi(c) {
const {a, b} = c;
}function hi({a, b}) {}const child_process = require('node:child_process');
const {exec, spawn} = child_process;const {exec, spawn} = require('node:child_process');Check it out in 🐊Putout Editor.
const a = 5;
const b = a;
const c = 5;
d = c;const b = 5;
d = 5;Check it out in 🐊Putout Editor.
function x() {
const a = 5;
return a;
}function x() {
return 5;
}Check it out in 🐊Putout Editor.
const DestructuringErrors = function DestructuringErrors(a, b) {
return [a, b];
};function DestructuringErrors(a, b) {
return [a, b];
}MIT