29 lines
728 B
Plaintext
29 lines
728 B
Plaintext
'use strict';
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var $TypeError = TypeError;
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// eslint-disable-next-line consistent-return
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module.exports = function iterateIterator(iterator) {
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if (!iterator || typeof iterator.next !== 'function') {
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throw new $TypeError('iterator must be an object with a `next` method');
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}
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if (arguments.length > 1) {
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var callback = arguments[1];
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if (typeof callback !== 'function') {
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throw new $TypeError('`callback`, if provided, must be a function');
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}
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}
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var values = callback || [];
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var result;
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while ((result = iterator.next()) && !result.done) {
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if (callback) {
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callback(result.value); // eslint-disable-line callback-return
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} else {
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values.push(result.value);
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}
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}
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if (!callback) {
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return values;
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}
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};
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