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Rich Trott
e8a7003e94
Update ESLint to 3.0.0. This includes an enhancement to `no-unused-vars` such that it finds a few instances in our code base that it did not find previously (fixed in previous commits readying this for landing). PR-URL: https://github.com/nodejs/node/pull/7601 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io>
22 lines
523 B
JavaScript
22 lines
523 B
JavaScript
var isSymbol = require('./isSymbol');
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/** Used as references for various `Number` constants. */
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var INFINITY = 1 / 0;
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/**
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* Converts `value` to a string key if it's not a string or symbol.
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*
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* @private
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* @param {*} value The value to inspect.
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* @returns {string|symbol} Returns the key.
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*/
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function toKey(value) {
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if (typeof value == 'string' || isSymbol(value)) {
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return value;
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}
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var result = (value + '');
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return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
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}
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module.exports = toKey;
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