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Rich Trott
d7aa8fa088
Update ESLint to 2.1.0. ESLint has a number of potentially-useful new features but this change attempts to be minimal in its changes. However, some things could not be avoided reasonably. ESLint 2.1.0 found a few lint issues that ESLing 1.x missed with template strings that did not take advantage of any features of template strings, and `let` declarations where `const` sufficed. Additionally, ESLint 2.1.0 removes some granularity around enabling ES6 features. Some features (e.g., spread operator) that had been turned off in our configuration for ESLint 1.x are now permitted. PR-URL: https://github.com/nodejs/node/pull/5214 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: jbergstroem - Johan Bergström <bugs@bergstroem.nu> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Myles Borins <myles.borins@gmail.com>
23 lines
547 B
JavaScript
23 lines
547 B
JavaScript
/**
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* @fileoverview Common utilities.
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Constants
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//------------------------------------------------------------------------------
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/**
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* Gets the last element of a given array.
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* @param {any[]} xs - An array to get.
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* @returns {any|null} The last element, or `null` if the array is empty.
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*/
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function getLast(xs) {
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var length = xs.length;
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return (length === 0 ? null : xs[length - 1]);
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}
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module.exports = {
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getLast: getLast
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};
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