1 | import cloneArrayBuffer from './_cloneArrayBuffer.js';
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2 | import cloneDataView from './_cloneDataView.js';
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3 | import cloneRegExp from './_cloneRegExp.js';
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4 | import cloneSymbol from './_cloneSymbol.js';
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5 | import cloneTypedArray from './_cloneTypedArray.js';
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6 |
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7 |
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8 | var boolTag = '[object Boolean]',
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9 | dateTag = '[object Date]',
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10 | mapTag = '[object Map]',
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11 | numberTag = '[object Number]',
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12 | regexpTag = '[object RegExp]',
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13 | setTag = '[object Set]',
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14 | stringTag = '[object String]',
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15 | symbolTag = '[object Symbol]';
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16 |
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17 | var arrayBufferTag = '[object ArrayBuffer]',
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18 | dataViewTag = '[object DataView]',
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19 | float32Tag = '[object Float32Array]',
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20 | float64Tag = '[object Float64Array]',
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21 | int8Tag = '[object Int8Array]',
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22 | int16Tag = '[object Int16Array]',
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23 | int32Tag = '[object Int32Array]',
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24 | uint8Tag = '[object Uint8Array]',
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25 | uint8ClampedTag = '[object Uint8ClampedArray]',
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26 | uint16Tag = '[object Uint16Array]',
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27 | uint32Tag = '[object Uint32Array]';
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 | function initCloneByTag(object, tag, isDeep) {
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42 | var Ctor = object.constructor;
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43 | switch (tag) {
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44 | case arrayBufferTag:
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45 | return cloneArrayBuffer(object);
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46 |
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47 | case boolTag:
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48 | case dateTag:
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49 | return new Ctor(+object);
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50 |
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51 | case dataViewTag:
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52 | return cloneDataView(object, isDeep);
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53 |
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54 | case float32Tag: case float64Tag:
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55 | case int8Tag: case int16Tag: case int32Tag:
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56 | case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
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57 | return cloneTypedArray(object, isDeep);
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58 |
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59 | case mapTag:
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60 | return new Ctor;
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61 |
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62 | case numberTag:
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63 | case stringTag:
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64 | return new Ctor(object);
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65 |
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66 | case regexpTag:
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67 | return cloneRegExp(object);
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68 |
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69 | case setTag:
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70 | return new Ctor;
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71 |
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72 | case symbolTag:
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73 | return cloneSymbol(object);
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74 | }
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75 | }
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76 |
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77 | export default initCloneByTag;
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