Refer to the following guidelines before submitting items to the Node.js category.
- Use Error objects (or subclasses) for all errors, and implement the Error contract.
- A function may deliver operational errors synchronously (e.g., by throwing) or asynchronously (by passing them to a callback or emitting error on an EventEmitter), but it should not do both.
- Augment the Error object with properties that explain details
- If you pass a lower-level error to your caller, consider wrapping it instead.
- If you need to do a series of asynchronous operations on a set of input, it's good to find a control flow library that simplifies the process for you as long as it's documented in the item description.
- Consider moving function definitions outside of other functions.
- Consider keeping your functions less than 100 lines each so the JIT will likely be able to inline those functions
- Variables aren't allowed in the global scope unless absolutely necessary -- reviewer discretion.
- Natives objects shouldn't be extended or modified in any way.
- A minified copy can be included but a non-minified copy needs to be included as well.
- All variable declarations need not be present at the top. If a global is absolutely needed and created within a function, it should be explicitly created by prepending `window` (as opposed to omitting the `var` keyword).
- All variables need to be declared and initialized before being used.
- There are some good reasons to nest a function in another function, but nested functions are more often used incorrectly and incur a performance hit.
- The 'parseInt()' function can return undesired and/or unexpected results if the radix is not supplied.
- It is not an error (yet), but redeclaring local variables is considered bad practice.
- A named function needs to be used when binding the same function to more than three elements instead of an anonymous function.
- Use of eval isn't allowed.
- Semi-colons for line termination is mandatory.
- The code shouldn't generate any errors or notices in the development console.
- Objects that are created as a result of a function call should be stored in a variable if said object is used more than once in the same level of scope.
- Provided code needs to pass JSLint.
- Do not rely on semicolon insertion. Always end a statement with a semicolon.
- Every item should have documentation explaining the installation process as well as a clear cut description detailing specific dependencies/modules/server settings for the item.
- Double check any specific file/directory permissions as well as version numbers.
- Use Litmus or a related service to make sure the item’s stated cross browser functionality is intact.
- Run the code through the following [part of requirements above]:
http://sucuri.net/ [If live preview is present]
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