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2 | <!doctype html>
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3 | <html lang="en">
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5 | <head>
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6 | <title>Code coverage report for src/data-root.ts</title>
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7 | <meta charset="utf-8" />
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8 | <link rel="stylesheet" href="../prettify.css" />
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13 | .coverage-summary .sorter {
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15 | }
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17 | </head>
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19 | <body>
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20 | <div class='wrapper'>
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21 | <div class='pad1'>
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22 | <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> data-root.ts</h1>
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23 | <div class='clearfix'>
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24 |
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25 | <div class='fl pad1y space-right2'>
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26 | <span class="strong">0% </span>
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27 | <span class="quiet">Statements</span>
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28 | <span class='fraction'>0/40</span>
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29 | </div>
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30 |
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31 |
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32 | <div class='fl pad1y space-right2'>
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33 | <span class="strong">0% </span>
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34 | <span class="quiet">Branches</span>
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35 | <span class='fraction'>0/15</span>
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36 | </div>
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37 |
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38 |
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39 | <div class='fl pad1y space-right2'>
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40 | <span class="strong">0% </span>
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41 | <span class="quiet">Functions</span>
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42 | <span class='fraction'>0/9</span>
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43 | </div>
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44 |
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45 |
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46 | <div class='fl pad1y space-right2'>
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47 | <span class="strong">0% </span>
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48 | <span class="quiet">Lines</span>
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49 | <span class='fraction'>0/36</span>
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50 | </div>
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51 |
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52 |
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53 | </div>
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54 | <p class="quiet">
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55 | Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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56 | </p>
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57 | </div>
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58 | <div class='status-line low'></div>
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59 | <pre><table class="coverage">
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60 | <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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61 | <a name='L2'></a><a href='#L2'>2</a>
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62 | <a name='L3'></a><a href='#L3'>3</a>
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63 | <a name='L4'></a><a href='#L4'>4</a>
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64 | <a name='L5'></a><a href='#L5'>5</a>
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65 | <a name='L6'></a><a href='#L6'>6</a>
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66 | <a name='L7'></a><a href='#L7'>7</a>
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67 | <a name='L8'></a><a href='#L8'>8</a>
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68 | <a name='L9'></a><a href='#L9'>9</a>
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69 | <a name='L10'></a><a href='#L10'>10</a>
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70 | <a name='L11'></a><a href='#L11'>11</a>
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71 | <a name='L12'></a><a href='#L12'>12</a>
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72 | <a name='L13'></a><a href='#L13'>13</a>
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73 | <a name='L14'></a><a href='#L14'>14</a>
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74 | <a name='L15'></a><a href='#L15'>15</a>
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75 | <a name='L16'></a><a href='#L16'>16</a>
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76 | <a name='L17'></a><a href='#L17'>17</a>
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77 | <a name='L18'></a><a href='#L18'>18</a>
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78 | <a name='L19'></a><a href='#L19'>19</a>
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79 | <a name='L20'></a><a href='#L20'>20</a>
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80 | <a name='L21'></a><a href='#L21'>21</a>
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81 | <a name='L22'></a><a href='#L22'>22</a>
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82 | <a name='L23'></a><a href='#L23'>23</a>
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83 | <a name='L24'></a><a href='#L24'>24</a>
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84 | <a name='L25'></a><a href='#L25'>25</a>
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85 | <a name='L26'></a><a href='#L26'>26</a>
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86 | <a name='L27'></a><a href='#L27'>27</a>
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87 | <a name='L28'></a><a href='#L28'>28</a>
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88 | <a name='L29'></a><a href='#L29'>29</a>
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89 | <a name='L30'></a><a href='#L30'>30</a>
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90 | <a name='L31'></a><a href='#L31'>31</a>
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91 | <a name='L32'></a><a href='#L32'>32</a>
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92 | <a name='L33'></a><a href='#L33'>33</a>
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93 | <a name='L34'></a><a href='#L34'>34</a>
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94 | <a name='L35'></a><a href='#L35'>35</a>
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95 | <a name='L36'></a><a href='#L36'>36</a>
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96 | <a name='L37'></a><a href='#L37'>37</a>
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97 | <a name='L38'></a><a href='#L38'>38</a>
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98 | <a name='L39'></a><a href='#L39'>39</a>
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99 | <a name='L40'></a><a href='#L40'>40</a>
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100 | <a name='L41'></a><a href='#L41'>41</a>
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101 | <a name='L42'></a><a href='#L42'>42</a>
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102 | <a name='L43'></a><a href='#L43'>43</a>
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103 | <a name='L44'></a><a href='#L44'>44</a>
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104 | <a name='L45'></a><a href='#L45'>45</a>
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105 | <a name='L46'></a><a href='#L46'>46</a>
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106 | <a name='L47'></a><a href='#L47'>47</a>
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107 | <a name='L48'></a><a href='#L48'>48</a>
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108 | <a name='L49'></a><a href='#L49'>49</a>
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109 | <a name='L50'></a><a href='#L50'>50</a>
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110 | <a name='L51'></a><a href='#L51'>51</a>
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111 | <a name='L52'></a><a href='#L52'>52</a>
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112 | <a name='L53'></a><a href='#L53'>53</a>
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113 | <a name='L54'></a><a href='#L54'>54</a>
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114 | <a name='L55'></a><a href='#L55'>55</a>
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115 | <a name='L56'></a><a href='#L56'>56</a>
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116 | <a name='L57'></a><a href='#L57'>57</a>
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117 | <a name='L58'></a><a href='#L58'>58</a>
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118 | <a name='L59'></a><a href='#L59'>59</a>
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119 | <a name='L60'></a><a href='#L60'>60</a>
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120 | <a name='L61'></a><a href='#L61'>61</a>
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121 | <a name='L62'></a><a href='#L62'>62</a>
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122 | <a name='L63'></a><a href='#L63'>63</a>
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123 | <a name='L64'></a><a href='#L64'>64</a>
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124 | <a name='L65'></a><a href='#L65'>65</a>
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125 | <a name='L66'></a><a href='#L66'>66</a>
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126 | <a name='L67'></a><a href='#L67'>67</a>
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127 | <a name='L68'></a><a href='#L68'>68</a>
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128 | <a name='L69'></a><a href='#L69'>69</a>
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129 | <a name='L70'></a><a href='#L70'>70</a>
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130 | <a name='L71'></a><a href='#L71'>71</a>
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131 | <a name='L72'></a><a href='#L72'>72</a>
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132 | <a name='L73'></a><a href='#L73'>73</a>
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133 | <a name='L74'></a><a href='#L74'>74</a>
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134 | <a name='L75'></a><a href='#L75'>75</a>
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135 | <a name='L76'></a><a href='#L76'>76</a>
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136 | <a name='L77'></a><a href='#L77'>77</a>
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137 | <a name='L78'></a><a href='#L78'>78</a>
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138 | <a name='L79'></a><a href='#L79'>79</a>
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139 | <a name='L80'></a><a href='#L80'>80</a>
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140 | <a name='L81'></a><a href='#L81'>81</a>
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141 | <a name='L82'></a><a href='#L82'>82</a>
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142 | <a name='L83'></a><a href='#L83'>83</a>
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143 | <a name='L84'></a><a href='#L84'>84</a>
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144 | <a name='L85'></a><a href='#L85'>85</a>
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145 | <a name='L86'></a><a href='#L86'>86</a>
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146 | <a name='L87'></a><a href='#L87'>87</a>
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147 | <a name='L88'></a><a href='#L88'>88</a>
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148 | <a name='L89'></a><a href='#L89'>89</a>
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149 | <a name='L90'></a><a href='#L90'>90</a>
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150 | <a name='L91'></a><a href='#L91'>91</a>
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151 | <a name='L92'></a><a href='#L92'>92</a>
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152 | <a name='L93'></a><a href='#L93'>93</a>
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153 | <a name='L94'></a><a href='#L94'>94</a>
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154 | <a name='L95'></a><a href='#L95'>95</a>
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155 | <a name='L96'></a><a href='#L96'>96</a>
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156 | <a name='L97'></a><a href='#L97'>97</a>
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157 | <a name='L98'></a><a href='#L98'>98</a>
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158 | <a name='L99'></a><a href='#L99'>99</a>
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159 | <a name='L100'></a><a href='#L100'>100</a>
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160 | <a name='L101'></a><a href='#L101'>101</a>
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161 | <a name='L102'></a><a href='#L102'>102</a>
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162 | <a name='L103'></a><a href='#L103'>103</a>
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163 | <a name='L104'></a><a href='#L104'>104</a>
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164 | <a name='L105'></a><a href='#L105'>105</a>
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165 | <a name='L106'></a><a href='#L106'>106</a>
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166 | <a name='L107'></a><a href='#L107'>107</a>
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167 | <a name='L108'></a><a href='#L108'>108</a>
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168 | <a name='L109'></a><a href='#L109'>109</a>
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169 | <a name='L110'></a><a href='#L110'>110</a>
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170 | <a name='L111'></a><a href='#L111'>111</a>
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171 | <a name='L112'></a><a href='#L112'>112</a>
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172 | <a name='L113'></a><a href='#L113'>113</a>
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173 | <a name='L114'></a><a href='#L114'>114</a>
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174 | <a name='L115'></a><a href='#L115'>115</a>
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175 | <a name='L116'></a><a href='#L116'>116</a>
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176 | <a name='L117'></a><a href='#L117'>117</a>
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177 | <a name='L118'></a><a href='#L118'>118</a>
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178 | <a name='L119'></a><a href='#L119'>119</a>
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179 | <a name='L120'></a><a href='#L120'>120</a>
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180 | <a name='L121'></a><a href='#L121'>121</a>
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181 | <a name='L122'></a><a href='#L122'>122</a>
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182 | <a name='L123'></a><a href='#L123'>123</a>
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183 | <a name='L124'></a><a href='#L124'>124</a>
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184 | <a name='L125'></a><a href='#L125'>125</a>
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185 | <a name='L126'></a><a href='#L126'>126</a>
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186 | <a name='L127'></a><a href='#L127'>127</a>
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187 | <a name='L128'></a><a href='#L128'>128</a>
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188 | <a name='L129'></a><a href='#L129'>129</a>
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189 | <a name='L130'></a><a href='#L130'>130</a>
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190 | <a name='L131'></a><a href='#L131'>131</a>
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191 | <a name='L132'></a><a href='#L132'>132</a>
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192 | <a name='L133'></a><a href='#L133'>133</a>
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193 | <a name='L134'></a><a href='#L134'>134</a>
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194 | <a name='L135'></a><a href='#L135'>135</a>
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195 | <a name='L136'></a><a href='#L136'>136</a>
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196 | <a name='L137'></a><a href='#L137'>137</a>
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197 | <a name='L138'></a><a href='#L138'>138</a>
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198 | <a name='L139'></a><a href='#L139'>139</a>
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365 | <span class="cline-any cline-neutral"> </span>
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366 | <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import * as check from './fs/types/check'
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367 | import * as debug from './common/debug'
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368 | import * as did from './did'
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369 | import * as dns from './dns'
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370 | import * as ucan from './ucan'
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371 | import { CID } from './ipfs'
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372 | import { api } from './common'
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373 | import { Ucan } from './ucan'
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374 | import { setup } from './setup/internal'
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375 |
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376 | /**
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377 | * CID representing an empty string. We use to to speed up DNS propagation
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378 | * However, we treat that as a null value in the code
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379 | */
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380 | const EMPTY_CID = <span class="cstat-no" title="statement not covered" >'Qmc5m94Gu7z62RC8waSKkZUrCCBJPyHbkpmGzEePxy2oXJ'</span>
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381 |
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382 | /**
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383 | * Get the CID of a user's data root.
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384 | * First check Fission server, then check DNS
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385 | *
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386 | * @param username The username of the user that we want to get the data root of.
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387 | */
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388 | export async function <span class="fstat-no" title="function not covered" >lookup(</span>
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389 | username: string
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390 | ): Promise<CID | null> {
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391 | const maybeRoot = <span class="cstat-no" title="statement not covered" >await lookupOnFisson(username)</span>
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392 | <span class="cstat-no" title="statement not covered" > if(maybeRoot === EMPTY_CID) <span class="cstat-no" title="statement not covered" >return null</span></span>
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393 | <span class="cstat-no" title="statement not covered" > if(maybeRoot !== null) <span class="cstat-no" title="statement not covered" >return maybeRoot</span></span>
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394 |
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395 | <span class="cstat-no" title="statement not covered" > try {</span>
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396 | const cid = <span class="cstat-no" title="statement not covered" >await dns.lookupDnsLink(username + '.files.' + setup.endpoints.user)</span>
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397 | <span class="cstat-no" title="statement not covered" > return cid === EMPTY_CID ? null : cid</span>
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398 | } catch(err) {
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399 | <span class="cstat-no" title="statement not covered" > console.error(err)</span>
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400 | <span class="cstat-no" title="statement not covered" > throw new Error('Could not locate user root in dns')</span>
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401 | }
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402 | }
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403 |
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404 | /**
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405 | * Get the CID of a user's data root from the Fission server.
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406 | *
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407 | * @param username The username of the user that we want to get the data root of.
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408 | */
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409 | export async function <span class="fstat-no" title="function not covered" >lookupOnFisson(</span>
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410 | username: string
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411 | ): Promise<CID | null> {
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412 | <span class="cstat-no" title="statement not covered" > try {</span>
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413 | const resp = <span class="cstat-no" title="statement not covered" >await fetch(</span>
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414 | `${setup.endpoints.api}/user/data/${username}`,
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415 | { cache: 'reload' } // don't use cache
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416 | )
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417 | const cid = <span class="cstat-no" title="statement not covered" >await resp.json()</span>
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418 | <span class="cstat-no" title="statement not covered" > if (!check.isCID(cid)) {</span>
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419 | <span class="cstat-no" title="statement not covered" > throw new Error("Did not receive a CID")</span>
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420 | }
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421 | <span class="cstat-no" title="statement not covered" > return cid</span>
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422 |
|
423 | } catch(err) {
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424 | <span class="cstat-no" title="statement not covered" > debug.log('Could not locate user root on Fission server: ', err.toString())</span>
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425 | <span class="cstat-no" title="statement not covered" > return null</span>
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426 |
|
427 | }
|
428 | }
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429 |
|
430 | /**
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431 | * Update a user's data root.
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432 | *
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433 | * @param cid The CID of the data root.
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434 | * @param proof The proof to use in the UCAN sent to the API.
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435 | */
|
436 | export async function <span class="fstat-no" title="function not covered" >update(</span>
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437 | cid: CID | string,
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438 | proof: Ucan
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439 | ): Promise<{ success: boolean }> {
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440 | const apiEndpoint = <span class="cstat-no" title="statement not covered" >setup.endpoints.api</span>
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441 |
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442 | // Debug
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443 | <span class="cstat-no" title="statement not covered" > debug.log("🌊 Updating your DNSLink:", cid)</span>
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444 |
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445 | // Make API call
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446 | <span class="cstat-no" title="statement not covered" > return await fetchWithRetry(`${apiEndpoint}/user/data/${cid}`, {</span>
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447 | headers: <span class="fstat-no" title="function not covered" >as</span>ync () => {
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448 | const jwt = <span class="cstat-no" title="statement not covered" >ucan.encode(await ucan.build({</span>
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449 | audience: await api.did(),
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450 | issuer: await did.ucan(),
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451 | potency: "APPEND",
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452 | proof,
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453 |
|
454 | // TODO: Waiting on API change.
|
455 | // Should be `username.fission.name/*`
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456 | resource: proof.payload.rsc
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457 | }))
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458 |
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459 | <span class="cstat-no" title="statement not covered" > return { 'authorization': `Bearer ${jwt}` }</span>
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460 | },
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461 | retries: 100,
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462 | retryDelay: 5000,
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463 | retryOn: [ 502, 503, 504 ],
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464 |
|
465 | }, {
|
466 | method: 'PATCH'
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467 |
|
468 | }).then(<span class="fstat-no" title="function not covered" >(r</span>esponse: Response) => {
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469 | <span class="cstat-no" title="statement not covered" > if (response.status < 300) <span class="cstat-no" title="statement not covered" >debug.log("🪴 DNSLink updated:", cid)</span></span>
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470 | else <span class="cstat-no" title="statement not covered" >debug.log("🔥 Failed to update DNSLink for:", cid)</span>
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471 | <span class="cstat-no" title="statement not covered" > return { success: response.status < 300 }</span>
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472 |
|
473 | }).catch(<span class="fstat-no" title="function not covered" >er</span>r => {
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474 | <span class="cstat-no" title="statement not covered" > debug.log("🔥 Failed to update DNSLink for:", cid)</span>
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475 | <span class="cstat-no" title="statement not covered" > console.error(err)</span>
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476 | <span class="cstat-no" title="statement not covered" > return { success: false }</span>
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477 |
|
478 | })
|
479 | }
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480 |
|
481 |
|
482 |
|
483 | // ㊙️
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484 |
|
485 |
|
486 | type RetryOptions = {
|
487 | headers: () => Promise<{ [_: string]: string }>
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488 | retries: number
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489 | retryDelay: number
|
490 | retryOn: Array<number>
|
491 | }
|
492 |
|
493 |
|
494 | async function <span class="fstat-no" title="function not covered" >fetchWithRetry(</span>
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495 | url: string,
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496 | retryOptions: RetryOptions,
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497 | fetchOptions: RequestInit,
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498 | retry: number = <span class="branch-0 cbranch-no" title="branch not covered" >0</span>
|
499 | ): Promise<Response> {
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500 | const headers = <span class="cstat-no" title="statement not covered" >await retryOptions.headers()</span>
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501 | const response = <span class="cstat-no" title="statement not covered" >await fetch(url, {</span>
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502 | ...fetchOptions,
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503 | headers: { ...fetchOptions.headers, ...headers }
|
504 | })
|
505 |
|
506 | <span class="cstat-no" title="statement not covered" > if (retryOptions.retryOn.includes(response.status)) {</span>
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507 | <span class="cstat-no" title="statement not covered" > if (retry < retryOptions.retries) {</span>
|
508 | <span class="cstat-no" title="statement not covered" > return await new Promise(<span class="fstat-no" title="function not covered" >(r</span>esolve, reject) => <span class="cstat-no" title="statement not covered" >setTimeout(</span></span>
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509 | <span class="fstat-no" title="function not covered" > ()</span> => <span class="cstat-no" title="statement not covered" >fetchWithRetry(url, retryOptions, fetchOptions, retry + 1).then(resolve, reject),</span>
|
510 | retryOptions.retryDelay
|
511 | ))
|
512 | } else {
|
513 | <span class="cstat-no" title="statement not covered" > throw new Error("Too many retries for fetch")</span>
|
514 | }
|
515 | }
|
516 |
|
517 | <span class="cstat-no" title="statement not covered" > return response</span>
|
518 | }
|
519 | </pre></td></tr></table></pre>
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520 |
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521 | <div class='push'></div>
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522 | </div>
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523 | <div class='footer quiet pad2 space-top1 center small'>
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524 | Code coverage generated by
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525 | <a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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526 | at Fri Mar 12 2021 16:29:42 GMT+0100 (Central European Standard Time)
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527 | </div>
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528 | </div>
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