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13 lines
439 B
JavaScript
13 lines
439 B
JavaScript
var toInteger = require('../internals/to-integer');
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var max = Math.max;
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var min = Math.min;
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// Helper for a popular repeating case of the spec:
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// Let integer be ? ToInteger(index).
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// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).
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module.exports = function (index, length) {
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var integer = toInteger(index);
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return integer < 0 ? max(integer + length, 0) : min(integer, length);
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};
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