11 lines
287 B
JavaScript
11 lines
287 B
JavaScript
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var call = require('../internals/function-call');
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module.exports = function (iterator, fn, $next) {
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var next = $next || iterator.next;
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var step, result;
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while (!(step = call(next, iterator)).done) {
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result = fn(step.value);
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if (result !== undefined) return result;
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}
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};
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