- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
24 lines
415 B
JavaScript
24 lines
415 B
JavaScript
/**
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* Gets the first element of `array`.
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*
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* @static
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* @memberOf _
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* @since 0.1.0
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* @alias first
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* @category Array
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* @param {Array} array The array to query.
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* @returns {*} Returns the first element of `array`.
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* @example
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*
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* _.head([1, 2, 3]);
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* // => 1
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*
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* _.head([]);
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* // => undefined
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*/
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function head(array) {
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return (array && array.length) ? array[0] : undefined;
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}
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module.exports = head;
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