11 lines
282 B
JavaScript
11 lines
282 B
JavaScript
var isNum = require('./isNum');
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var isFn = require('./isFn');
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var MAX_ARR_IDX = Math.pow(2, 53) - 1;
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exports = function(val) {
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if (!val) return false;
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var len = val.length;
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return isNum(len) && len >= 0 && len <= MAX_ARR_IDX && !isFn(val);
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};
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module.exports = exports;
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