Enforce JavaScript and TypeScript coding standards with promise best practices.
npx skills add https://github.com/bendrucker/claude --skill javascript
Please help me install this Agent Skill. Skill: javascript Source: https://github.com/bendrucker/claude/tree/main/.claude/skills/javascript Command: npx skills add https://github.com/bendrucker/claude --skill javascript
This Skill promotes modern JavaScript best practices, particularly around promise handling, to ensure cleaner, more reliable asynchronous code.
new Promise construction, reducing boilerplate and potential errors.// Avoid: // new Promise((resolve, reject) => { // fs.readFile('file.txt', (err, data) => { // if (err) reject(err); // resolve(data); // }); // });
// Prefer: import { promises as fs } from 'fs'; fs.readFile('file.txt'); // Returns a promise directly
High-intent search queries and answers about installing and using this skill.
Use promise-returning APIs directly instead of wrapping callbacks in `new Promise`. For example, use `fs.promises.readFile()` instead of manually constructing a Promise around `fs.readFile()`. This reduces boilerplate, improves readability, and avoids common error-handling pitfalls in asynchronous code.
Apply consistent coding standards to both JavaScript and TypeScript files by enforcing modern best practices, including proper promise handling, async/await patterns, and established conventions. This ensures unified code quality across your entire project, whether you're writing or reviewing code.
Yes. These coding standards and best practices apply to both JavaScript and the JavaScript-subset of TypeScript, ensuring consistent promise handling, async/await usage, and coding conventions across both languages in your codebase.
Avoid `new Promise` when an existing API already returns a promise. Manual Promise construction adds unnecessary boilerplate and increases the risk of improper error handling. Modern Node.js APIs like `fs.promises` and most third-party libraries return promises directly, making manual wrapping redundant.
Chain promise-returning APIs using async/await or `.then()` syntax instead of nesting callbacks or manually constructing Promises. This approach produces concise, readable asynchronous code that adheres to modern JavaScript standards and handles errors predictably.
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