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21 lines
493 B
21 lines
493 B
10 years ago
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'use strict';
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var callable = require('../../../object/valid-callable')
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, value = require('../../../object/valid-value')
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, some = Array.prototype.some, apply = Function.prototype.apply;
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module.exports = function (predicate/*, thisArg*/) {
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var k, self;
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self = Object(value(this));
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callable(predicate);
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return some.call(self, function (value, index) {
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if (apply.call(predicate, this, arguments)) {
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k = index;
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return true;
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}
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return false;
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}, arguments[1]) ? k : -1;
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};
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