16 lines
457 B
JavaScript
16 lines
457 B
JavaScript
import cb from './_cb.js';
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import each from './each.js';
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// An internal function used for aggregate "group by" operations.
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export default function group(behavior, partition) {
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return function(obj, iteratee, context) {
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var result = partition ? [[], []] : {};
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iteratee = cb(iteratee, context);
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each(obj, function(value, index) {
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var key = iteratee(value, index, obj);
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behavior(result, value, key);
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});
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return result;
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};
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}
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