@putout/plugin-convert-for-in-to-for-of

The for...in statement iterates over all enumerable properties of an object that are keyed by strings.

The for...of statement creates a loop which invokes a custom iteration hook with statements to be executed for the value of each element of an array.

(c) MDN

????Putout plugin adds ability to convert for...in to for...of loop. Merged to @putout/plugin-for-of.

Install

npm i @putout/plugin-convert-for-in-to-for-of -D

Rule

{
    "rules": {
        "convert-for-in-to-for-of/positive": "on",
        "convert-for-in-to-for-of/negative": "on"
    }
}

❌ Example of incorrect code

for (const item in object) {
    if (object.hasOwnProperty(item)) {
        log(item);
    }
}

for (const item in object) {
    if (!object.hasOwnProperty(item))
        continue;
    
    log(item);
}

✅ Example of correct code

for (const item of Object.keys(object)) {
    log(item);
}

License

MIT

Current Tags

• 2.0.1                                ...           latest (3 years ago)

8 Versions

• 2.0.1                                ...           3 years ago
• 2.0.0                                ...           6 years ago
• 1.1.4                                ...           6 years ago
• 1.1.3                                ...           6 years ago
• 1.1.2                                ...           6 years ago
• 1.1.1                                ...           6 years ago
• 1.1.0                                ...           6 years ago
• 1.0.0                                ...           6 years ago