1 | import composeArgs from './_composeArgs.js';
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2 | import composeArgsRight from './_composeArgsRight.js';
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3 | import replaceHolders from './_replaceHolders.js';
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4 |
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5 |
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6 | var PLACEHOLDER = '__lodash_placeholder__';
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7 |
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8 |
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9 | var WRAP_BIND_FLAG = 1,
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10 | WRAP_BIND_KEY_FLAG = 2,
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11 | WRAP_CURRY_BOUND_FLAG = 4,
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12 | WRAP_CURRY_FLAG = 8,
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13 | WRAP_ARY_FLAG = 128,
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14 | WRAP_REARG_FLAG = 256;
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15 |
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16 |
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17 | var nativeMin = Math.min;
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18 |
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34 |
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35 | function mergeData(data, source) {
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36 | var bitmask = data[1],
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37 | srcBitmask = source[1],
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38 | newBitmask = bitmask | srcBitmask,
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39 | isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
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40 |
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41 | var isCombo =
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42 | ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
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43 | ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
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44 | ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
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45 |
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46 |
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47 | if (!(isCommon || isCombo)) {
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48 | return data;
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49 | }
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50 |
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51 | if (srcBitmask & WRAP_BIND_FLAG) {
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52 | data[2] = source[2];
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53 |
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54 | newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
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55 | }
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56 |
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57 | var value = source[3];
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58 | if (value) {
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59 | var partials = data[3];
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60 | data[3] = partials ? composeArgs(partials, value, source[4]) : value;
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61 | data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
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62 | }
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63 |
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64 | value = source[5];
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65 | if (value) {
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66 | partials = data[5];
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67 | data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
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68 | data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
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69 | }
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70 |
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71 | value = source[7];
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72 | if (value) {
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73 | data[7] = value;
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74 | }
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75 |
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76 | if (srcBitmask & WRAP_ARY_FLAG) {
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77 | data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
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78 | }
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79 |
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80 | if (data[9] == null) {
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81 | data[9] = source[9];
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82 | }
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83 |
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84 | data[0] = source[0];
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85 | data[1] = newBitmask;
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86 |
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87 | return data;
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88 | }
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89 |
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90 | export default mergeData;
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