1 | var makeIterator = require('../function/makeIterator_');
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2 |
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3 | /**
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4 | * Array filter
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5 | */
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6 | function filter(arr, callback, thisObj) {
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7 | callback = makeIterator(callback, thisObj);
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8 | var results = [];
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9 | if (arr == null) {
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10 | return results;
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11 | }
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12 |
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13 | var i = -1, len = arr.length, value;
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14 | while (++i < len) {
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15 | value = arr[i];
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16 | if (callback(value, i, arr)) {
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17 | results.push(value);
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18 | }
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19 | }
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20 |
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21 | return results;
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22 | }
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23 |
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24 | module.exports = filter;
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25 |
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26 |
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