Conditions | 25 |
Total Lines | 126 |
Code Lines | 93 |
Lines | 0 |
Ratio | 0 % |
Changes | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like index.js ➔ prepareFrameListener often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
1 | let { errorHandlers, bSecurePaymentsHandler, bSecurePaymentsEventHandler } = require("../utils/listeners"); |
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13 | function prepareFrameListener() { |
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14 | /* |
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15 | * CHECK TRANSACTION PARAMETERS |
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16 | */ |
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17 | if (isEmpty(TransactionParameters.__00trid__)) { |
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18 | return { |
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19 | status: false, |
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20 | exception: errorHandlers.formatValidationError("pp_OrderId is required."), |
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21 | }; |
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22 | } else if (isEmpty(TransactionParameters.__01curr__)) { |
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23 | return { |
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24 | status: false, |
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25 | exception: errorHandlers.formatValidationError("pp_TxnCurrency is required."), |
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26 | }; |
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27 | } else if (isEmpty(TransactionParameters.__02trdt__)) { |
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28 | return { |
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29 | status: false, |
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30 | exception: errorHandlers.formatValidationError("pp_TxnDateTime is required."), |
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31 | }; |
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32 | } else if (isEmpty(TransactionParameters.__03stamt__)) { |
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33 | return { |
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34 | status: false, |
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35 | exception: errorHandlers.formatValidationError("pp_TxnSubTotal is required."), |
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36 | }; |
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37 | } else if (isEmpty(TransactionParameters.__04damt__)) { |
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38 | return { |
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39 | status: false, |
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40 | exception: errorHandlers.formatValidationError("pp_TxnDiscount is required."), |
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41 | }; |
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42 | } else if (isEmpty(TransactionParameters.__05tamt__)) { |
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43 | return { |
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44 | status: false, |
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45 | exception: errorHandlers.formatValidationError("pp_TxnTotal is required."), |
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46 | }; |
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47 | } else if (isEmpty(TransactionParameters.__06cname__)) { |
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48 | return { |
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49 | status: false, |
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50 | exception: errorHandlers.formatValidationError("pp_CustomerName is required."), |
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51 | }; |
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52 | } else if (isEmpty(TransactionParameters.__07ccc__)) { |
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53 | return { |
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54 | status: false, |
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55 | exception: errorHandlers.formatValidationError("pp_CustomerCountryCode is required."), |
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56 | }; |
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57 | } else if (isEmpty(TransactionParameters.__08cphn__)) { |
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58 | return { |
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59 | status: false, |
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60 | exception: errorHandlers.formatValidationError("pp_CustomerPhoneNumber is required."), |
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61 | }; |
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62 | } else if (isEmpty(TransactionParameters.__10ccc__)) { |
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63 | return { |
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64 | status: false, |
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65 | exception: errorHandlers.formatValidationError("pp_CustomerCountry is required."), |
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66 | }; |
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67 | } else if (isEmpty(TransactionParameters.__11cstate__)) { |
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68 | return { |
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69 | status: false, |
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70 | exception: errorHandlers.formatValidationError("pp_CustomerState is required."), |
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71 | }; |
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72 | } else if (isEmpty(TransactionParameters.__12ccity__)) { |
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73 | return { |
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74 | status: false, |
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75 | exception: errorHandlers.formatValidationError("pp_CustomerCity is required."), |
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76 | }; |
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77 | } else if (isEmpty(TransactionParameters.__13carea__)) { |
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78 | return { |
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79 | status: false, |
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80 | exception: errorHandlers.formatValidationError("pp_CustomerArea is required."), |
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81 | }; |
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82 | } else if (isEmpty(TransactionParameters.__14cfadd__)) { |
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83 | return { |
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84 | status: false, |
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85 | exception: errorHandlers.formatValidationError("pp_CustomerFormattedAddress is required."), |
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86 | }; |
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87 | } else if (isEmpty(TransactionParameters.__15mid__)) { |
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88 | return { |
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89 | status: false, |
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90 | exception: errorHandlers.formatValidationError("pp_MerchantID is required."), |
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91 | }; |
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92 | } else if (isEmpty(TransactionParameters.__16stid__)) { |
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93 | return { |
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94 | status: false, |
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95 | exception: errorHandlers.formatValidationError("pp_StoreSlug is required."), |
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96 | }; |
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97 | } else if (isEmpty(TransactionParameters.__17seh__)) { |
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98 | return { |
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99 | status: false, |
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100 | exception: errorHandlers.formatValidationError("pp_SecureId is required."), |
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101 | }; |
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102 | } else if (isEmpty(TransactionParameters.__18ver__)) { |
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103 | return { |
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104 | status: false, |
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105 | exception: errorHandlers.formatValidationError("pp_Version is required."), |
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106 | }; |
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107 | } else if (isEmpty(TransactionParameters.__20red__)) { |
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108 | return { |
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109 | status: false, |
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110 | exception: errorHandlers.formatValidationError("pp_RedirectURL is required."), |
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111 | }; |
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112 | } else if (isEmpty(TransactionParameters.__21cenv__)) { |
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113 | return { |
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114 | status: false, |
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115 | exception: errorHandlers.formatValidationError("pp_ClientEnviromentId is required."), |
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116 | }; |
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117 | } else if (!navigator.cookieEnabled) { |
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118 | return { |
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119 | status: false, |
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120 | exception: errorHandlers.formatValidationError("Please Allow All Cookies from your browser settings."), |
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121 | }; |
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122 | } |
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123 | /* |
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124 | * RECEIVE MESSAGE FROM CHILD |
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125 | */ |
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126 | window.addEventListener("message", (e) => { |
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127 | if (e.data.source === "embeddableShakehand") { |
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128 | errorHandlers.handleErrors(e.data.data) |
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129 | } |
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130 | if (e.data.source === "embeddableShakehandSuccess") { |
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131 | errorHandlers.handlePayments(e.data.data) |
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132 | } |
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133 | }); |
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134 | return { |
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135 | status: true, |
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136 | exception: '', |
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137 | }; |
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138 | } |
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139 | |||
194 |