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- var arrayPush = require('./_arrayPush'),
- isFlattenable = require('./_isFlattenable');
- function baseFlatten(array, depth, predicate, isStrict, result) {
- var index = -1,
- length = array.length;
- predicate || (predicate = isFlattenable);
- result || (result = []);
- while (++index < length) {
- var value = array[index];
- if (depth > 0 && predicate(value)) {
- if (depth > 1) {
-
- baseFlatten(value, depth - 1, predicate, isStrict, result);
- } else {
- arrayPush(result, value);
- }
- } else if (!isStrict) {
- result[result.length] = value;
- }
- }
- return result;
- }
- module.exports = baseFlatten;
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