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Discussion on: Why I prefer objects over switch statements

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Shreya Dahal • Edited on

I tend to do this in JS as well, but it was more of a habit I carried from Python, which does not have switch..case and the common way to replicate that behavior is to use objects (dicts).

I would put the cases in a closure instead of the function itself to save some memory (granted it's a tiny bit).

const getEditorType = (() => {
    const itsCodeEditor = () => 'It is a code editor';
    const itsIDE = () => 'It is an IDE';

    const editors = {
        atom: itsCodeEditor,
        sublime: itsCodeEditor,
        vscode: itsCodeEditor,
        webstorm: itsIDE,
        pycharm: itsIDE,
        default: () => 'unknown'
    };

    return type => (editors[type] || editors.default)();
})();