@putout/plugin-declare

????Putout plugin adds ability to declare variable that was not defined before, including:

maybe: maybeArray, maybeFn, maybeEmptyArray;
wrap: not,id, returns;
set: difference;
fresh-import: freshImport, freshImportDefault;
fixtures: readFixture;
properties of Object;
properties of String + addQuotes;
wraptile;
fullstore;
currify;
pipe-io;
pullout;
wait;
chalk;
jessy;
nessy;
table;

Install

npm i putout @putout/plugin-declare -D

Add .putout.json with:

{
    "plugins": {
        "declare": "on"
    }
}

Rules

Use options:

✅ dismiss for variables you don't want to declare;
✅ declarations to declare variables;

{
    "rules": {
        "declare": ["on", {
            "declarations": {
                "hello": "import {hello} from 'world'"
            },
            "dismiss": [
                "assert",
                "entries",
                "parse",
                "stringify",
                "defineProperty",
                "noop",
                "join",
                "keys",
                "values",
                "stopAll",
                "once",
                "putout"
            ]
        }]
    }
}

`assign`

❌ Example of incorrect code

const hello = 'world';
const object = {};

assign(object, {
    hello,
});

✅ Example of correct code

const hello = 'world';
const object = {};
const {assign} = Object;

assign(object, {
    hello,
});

`keys`

❌ Example of incorrect code

const hello = 'world';
const object = {};

const allKeys = keys(object);

✅ Example of correct code

const hello = 'world';
const object = {};
const {keys} = Object;

const allKeys = keys(object);

`values`

❌ Example of incorrect code

const object = {};
const allValues = values(object);

✅ Example of correct code

const {values} = Object;

const object = {};
const allValues = values(object);

`noop`

❌ Example of incorrect code

noop();

✅ Example of correct code

const noop = () => {};
noop();

Types

❌ Example of incorrect code

const isFn = (a) => typeof a === 'function';

if (isFn(fn))
    fn();

✅ Example of correct code

const isFn = (a) => typeof a === 'function';

if (isFn(fn))
    fn();

Maybe

❌ Example of incorrect code

const a = maybeArray(b);

✅ Example of correct code

const {isArray} = Array;
const maybeArray = (a) => isArray(a) ? a : [a];

const a = maybeArray(b);

`entries`

❌ Example of incorrect code

entries([1, 2, 3]);

✅ Example of correct code

const {entries} = Object;

entries([1, 2, 3]);

`fromEntries`

❌ Example of incorrect code

fromEntries(['hello', 'world']);

✅ Example of correct code

const {fromEntries} = Object;

fromEntries(['hello', 'world']);

`fromCharCode`

❌ Example of incorrect code

const encoded = new TextEncoder().encode(str);
fromCharCode(...encoded);

✅ Example of correct code

const {fromCharCode} = String;
const encoded = new TextEncoder().encode(str);

fromCharCode(...encoded);

@putout/plugin-declare

Install

Rules

`assign`

❌ Example of incorrect code

✅ Example of correct code

`keys`

❌ Example of incorrect code

✅ Example of correct code

`values`

❌ Example of incorrect code

✅ Example of correct code

`noop`

❌ Example of incorrect code

✅ Example of correct code

Types

❌ Example of incorrect code

✅ Example of correct code

Maybe

❌ Example of incorrect code

✅ Example of correct code

`entries`

❌ Example of incorrect code

✅ Example of correct code

`fromEntries`

❌ Example of incorrect code

✅ Example of correct code

`fromCharCode`

❌ Example of incorrect code

✅ Example of correct code

License

Current Tags

19 Versions