1 | 'use strict';
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2 |
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3 | const defaultExclude = require('./default-exclude.js');
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4 | const defaultExtension = require('./default-extension.js');
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5 |
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6 | const nycCommands = {
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7 | all: [null, 'check-coverage', 'instrument', 'merge', 'report'],
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8 | testExclude: [null, 'instrument', 'report', 'check-coverage'],
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9 | instrument: [null, 'instrument'],
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10 | checkCoverage: [null, 'report', 'check-coverage'],
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11 | report: [null, 'report'],
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12 | main: [null],
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13 | instrumentOnly: ['instrument']
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14 | };
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15 |
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16 | const cwd = {
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17 | description: 'working directory used when resolving paths',
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18 | type: 'string',
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19 | get default() {
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20 | return process.cwd();
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21 | },
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22 | nycCommands: nycCommands.all
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23 | };
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24 |
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25 | const nycrcPath = {
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26 | description: 'specify an explicit path to find nyc configuration',
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27 | nycCommands: nycCommands.all
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28 | };
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29 |
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30 | const tempDir = {
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31 | description: 'directory to output raw coverage information to',
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32 | type: 'string',
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33 | default: './.nyc_output',
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34 | nycAlias: 't',
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35 | nycHiddenAlias: 'temp-directory',
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36 | nycCommands: [null, 'check-coverage', 'merge', 'report']
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37 | };
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38 |
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39 | const testExclude = {
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40 | exclude: {
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41 | description: 'a list of specific files and directories that should be excluded from coverage, glob patterns are supported',
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42 | type: 'array',
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43 | items: {
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44 | type: 'string'
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45 | },
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46 | default: defaultExclude,
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47 | nycCommands: nycCommands.testExclude,
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48 | nycAlias: 'x'
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49 | },
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50 | excludeNodeModules: {
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51 | description: 'whether or not to exclude all node_module folders (i.e. **/node_modules/**) by default',
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52 | type: 'boolean',
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53 | default: true,
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54 | nycCommands: nycCommands.testExclude
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55 | },
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56 | include: {
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57 | description: 'a list of specific files that should be covered, glob patterns are supported',
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58 | type: 'array',
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59 | items: {
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60 | type: 'string'
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61 | },
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62 | default: [],
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63 | nycCommands: nycCommands.testExclude,
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64 | nycAlias: 'n'
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65 | },
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66 | extension: {
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67 | description: 'a list of extensions that nyc should handle in addition to .js',
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68 | type: 'array',
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69 | items: {
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70 | type: 'string'
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71 | },
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72 | default: defaultExtension,
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73 | nycCommands: nycCommands.testExclude,
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74 | nycAlias: 'e'
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75 | }
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76 | };
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77 |
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78 | const instrumentVisitor = {
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79 | coverageVariable: {
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80 | description: 'variable to store coverage',
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81 | type: 'string',
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82 | default: '__coverage__',
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83 | nycCommands: nycCommands.instrument
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84 | },
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85 | coverageGlobalScope: {
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86 | description: 'scope to store the coverage variable',
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87 | type: 'string',
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88 | default: 'this',
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89 | nycCommands: nycCommands.instrument
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90 | },
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91 | coverageGlobalScopeFunc: {
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92 | description: 'avoid potentially replaced `Function` when finding global scope',
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93 | type: 'boolean',
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94 | default: true,
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95 | nycCommands: nycCommands.instrument
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96 | },
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97 | ignoreClassMethods: {
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98 | description: 'class method names to ignore for coverage',
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99 | type: 'array',
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100 | items: {
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101 | type: 'string'
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102 | },
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103 | default: [],
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104 | nycCommands: nycCommands.instrument
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105 | }
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106 | };
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107 |
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108 | const instrumentParseGen = {
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109 | autoWrap: {
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110 | description: 'allow `return` statements outside of functions',
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111 | type: 'boolean',
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112 | default: true,
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113 | nycCommands: nycCommands.instrument
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114 | },
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115 | esModules: {
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116 | description: 'should files be treated as ES Modules',
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117 | type: 'boolean',
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118 | default: true,
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119 | nycCommands: nycCommands.instrument
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120 | },
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121 | parserPlugins: {
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122 | description: 'babel parser plugins to use when parsing the source',
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123 | type: 'array',
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124 | items: {
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125 | type: 'string'
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126 | },
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127 | /* Babel parser plugins are to be enabled when the feature is stage 3 and
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128 | * implemented in a released version of node.js. */
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129 | default: [
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130 | 'asyncGenerators',
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131 | 'bigInt',
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132 | 'classProperties',
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133 | 'classPrivateProperties',
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134 | 'classPrivateMethods',
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135 | 'dynamicImport',
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136 | 'importMeta',
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137 | 'numericSeparator',
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138 | 'objectRestSpread',
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139 | 'optionalCatchBinding',
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140 | 'topLevelAwait'
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141 | ],
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142 | nycCommands: nycCommands.instrument
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143 | },
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144 | compact: {
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145 | description: 'should the output be compacted?',
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146 | type: 'boolean',
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147 | default: true,
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148 | nycCommands: nycCommands.instrument
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149 | },
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150 | preserveComments: {
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151 | description: 'should comments be preserved in the output?',
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152 | type: 'boolean',
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153 | default: true,
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154 | nycCommands: nycCommands.instrument
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155 | },
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156 | produceSourceMap: {
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157 | description: 'should source maps be produced?',
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158 | type: 'boolean',
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159 | default: true,
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160 | nycCommands: nycCommands.instrument
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161 | }
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162 | };
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163 |
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164 | const checkCoverage = {
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165 | excludeAfterRemap: {
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166 | description: 'should exclude logic be performed after the source-map remaps filenames?',
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167 | type: 'boolean',
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168 | default: true,
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169 | nycCommands: nycCommands.checkCoverage
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170 | },
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171 | branches: {
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172 | description: 'what % of branches must be covered?',
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173 | type: 'number',
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174 | default: 0,
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175 | minimum: 0,
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176 | maximum: 100,
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177 | nycCommands: nycCommands.checkCoverage
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178 | },
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179 | functions: {
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180 | description: 'what % of functions must be covered?',
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181 | type: 'number',
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182 | default: 0,
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183 | minimum: 0,
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184 | maximum: 100,
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185 | nycCommands: nycCommands.checkCoverage
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186 | },
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187 | lines: {
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188 | description: 'what % of lines must be covered?',
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189 | type: 'number',
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190 | default: 90,
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191 | minimum: 0,
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192 | maximum: 100,
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193 | nycCommands: nycCommands.checkCoverage
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194 | },
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195 | statements: {
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196 | description: 'what % of statements must be covered?',
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197 | type: 'number',
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198 | default: 0,
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199 | minimum: 0,
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200 | maximum: 100,
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201 | nycCommands: nycCommands.checkCoverage
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202 | },
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203 | perFile: {
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204 | description: 'check thresholds per file',
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205 | type: 'boolean',
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206 | default: false,
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207 | nycCommands: nycCommands.checkCoverage
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208 | }
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209 | };
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210 |
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211 | const report = {
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212 | checkCoverage: {
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213 | description: 'check whether coverage is within thresholds provided',
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214 | type: 'boolean',
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215 | default: false,
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216 | nycCommands: nycCommands.report
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217 | },
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218 | reporter: {
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219 | description: 'coverage reporter(s) to use',
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220 | type: 'array',
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221 | items: {
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222 | type: 'string'
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223 | },
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224 | default: ['text'],
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225 | nycCommands: nycCommands.report,
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226 | nycAlias: 'r'
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227 | },
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228 | reportDir: {
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229 | description: 'directory to output coverage reports in',
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230 | type: 'string',
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231 | default: 'coverage',
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232 | nycCommands: nycCommands.report
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233 | },
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234 | showProcessTree: {
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235 | description: 'display the tree of spawned processes',
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236 | type: 'boolean',
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237 | default: false,
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238 | nycCommands: nycCommands.report
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239 | },
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240 | skipEmpty: {
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241 | description: 'don\'t show empty files (no lines of code) in report',
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242 | type: 'boolean',
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243 | default: false,
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244 | nycCommands: nycCommands.report
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245 | },
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246 | skipFull: {
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247 | description: 'don\'t show files with 100% statement, branch, and function coverage',
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248 | type: 'boolean',
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249 | default: false,
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250 | nycCommands: nycCommands.report
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251 | }
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252 | };
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253 |
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254 | const nycMain = {
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255 | silent: {
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256 | description: 'don\'t output a report after tests finish running',
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257 | type: 'boolean',
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258 | default: false,
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259 | nycCommands: nycCommands.main,
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260 | nycAlias: 's'
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261 | },
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262 | all: {
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263 | description: 'whether or not to instrument all files of the project (not just the ones touched by your test suite)',
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264 | type: 'boolean',
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265 | default: false,
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266 | nycCommands: nycCommands.main,
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267 | nycAlias: 'a'
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268 | },
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269 | eager: {
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270 | description: 'instantiate the instrumenter at startup (see https://git.io/vMKZ9)',
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271 | type: 'boolean',
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272 | default: false,
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273 | nycCommands: nycCommands.main
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274 | },
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275 | cache: {
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276 | description: 'cache instrumentation results for improved performance',
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277 | type: 'boolean',
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278 | default: true,
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279 | nycCommands: nycCommands.main,
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280 | nycAlias: 'c'
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281 | },
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282 | cacheDir: {
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283 | description: 'explicitly set location for instrumentation cache',
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284 | type: 'string',
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285 | nycCommands: nycCommands.main
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286 | },
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287 | babelCache: {
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288 | description: 'cache babel transpilation results for improved performance',
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289 | type: 'boolean',
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290 | default: false,
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291 | nycCommands: nycCommands.main
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292 | },
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293 | useSpawnWrap: {
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294 | description: 'use spawn-wrap instead of setting process.env.NODE_OPTIONS',
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295 | type: 'boolean',
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296 | default: false,
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297 | nycCommands: nycCommands.main
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298 | },
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299 | hookRequire: {
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300 | description: 'should nyc wrap require?',
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301 | type: 'boolean',
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302 | default: true,
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303 | nycCommands: nycCommands.main
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304 | },
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305 | hookRunInContext: {
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306 | description: 'should nyc wrap vm.runInContext?',
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307 | type: 'boolean',
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308 | default: false,
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309 | nycCommands: nycCommands.main
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310 | },
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311 | hookRunInThisContext: {
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312 | description: 'should nyc wrap vm.runInThisContext?',
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313 | type: 'boolean',
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314 | default: false,
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315 | nycCommands: nycCommands.main
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316 | },
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317 | clean: {
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318 | description: 'should the .nyc_output folder be cleaned before executing tests',
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319 | type: 'boolean',
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320 | default: true,
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321 | nycCommands: nycCommands.main
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322 | }
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323 | };
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324 |
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325 | const instrumentOnly = {
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326 | inPlace: {
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327 | description: 'should nyc run the instrumentation in place?',
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328 | type: 'boolean',
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329 | default: false,
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330 | nycCommands: nycCommands.instrumentOnly
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331 | },
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332 | exitOnError: {
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333 | description: 'should nyc exit when an instrumentation failure occurs?',
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334 | type: 'boolean',
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335 | default: false,
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336 | nycCommands: nycCommands.instrumentOnly
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337 | },
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338 | delete: {
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339 | description: 'should the output folder be deleted before instrumenting files?',
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340 | type: 'boolean',
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341 | default: false,
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342 | nycCommands: nycCommands.instrumentOnly
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343 | },
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344 | completeCopy: {
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345 | description: 'should nyc copy all files from input to output as well as instrumented files?',
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346 | type: 'boolean',
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347 | default: false,
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348 | nycCommands: nycCommands.instrumentOnly
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349 | }
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350 | };
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351 |
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352 | const nyc = {
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353 | description: 'nyc configuration options',
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354 | type: 'object',
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355 | properties: {
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356 | cwd,
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357 | nycrcPath,
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358 | tempDir,
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359 |
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360 | /* Test Exclude */
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361 | ...testExclude,
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362 |
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363 | /* Instrumentation settings */
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364 | ...instrumentVisitor,
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365 |
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366 | /* Instrumentation parser/generator settings */
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367 | ...instrumentParseGen,
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368 | sourceMap: {
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369 | description: 'should nyc detect and handle source maps?',
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370 | type: 'boolean',
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371 | default: true,
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372 | nycCommands: nycCommands.instrument
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373 | },
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374 | require: {
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375 | description: 'a list of additional modules that nyc should attempt to require in its subprocess, e.g., @babel/register, @babel/polyfill',
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376 | type: 'array',
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377 | items: {
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378 | type: 'string'
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379 | },
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380 | default: [],
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381 | nycCommands: nycCommands.instrument,
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382 | nycAlias: 'i'
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383 | },
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384 | instrument: {
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385 | description: 'should nyc handle instrumentation?',
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386 | type: 'boolean',
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387 | default: true,
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388 | nycCommands: nycCommands.instrument
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389 | },
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390 |
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391 | /* Check coverage */
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392 | ...checkCoverage,
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393 |
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394 | /* Report options */
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395 | ...report,
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396 |
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397 | /* Main command options */
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398 | ...nycMain,
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399 |
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400 | /* Instrument command options */
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401 | ...instrumentOnly
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402 | }
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403 | };
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404 |
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405 | const configs = {
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406 | nyc,
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407 | testExclude: {
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408 | description: 'test-exclude options',
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409 | type: 'object',
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410 | properties: {
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411 | cwd,
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412 | ...testExclude
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413 | }
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414 | },
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415 | babelPluginIstanbul: {
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416 | description: 'babel-plugin-istanbul options',
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417 | type: 'object',
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418 | properties: {
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419 | cwd,
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420 | ...testExclude,
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421 | ...instrumentVisitor
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422 | }
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423 | },
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424 | instrumentVisitor: {
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425 | description: 'instrument visitor options',
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426 | type: 'object',
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427 | properties: instrumentVisitor
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428 | },
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429 | instrumenter: {
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430 | description: 'stand-alone instrumenter options',
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431 | type: 'object',
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432 | properties: {
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433 | ...instrumentVisitor,
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434 | ...instrumentParseGen
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435 | }
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436 | }
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437 | };
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438 |
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439 | function defaultsReducer(defaults, [name, {default: value}]) {
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440 | /* Modifying arrays in defaults is safe, does not change schema. */
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441 | if (Array.isArray(value)) {
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442 | value = [...value];
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443 | }
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444 |
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445 | return Object.assign(defaults, {[name]: value});
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446 | }
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447 |
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448 | module.exports = {
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449 | ...configs,
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450 | defaults: Object.keys(configs).reduce(
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451 | (defaults, id) => {
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452 | Object.defineProperty(defaults, id, {
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453 | enumerable: true,
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454 | get() {
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455 | /* This defers `process.cwd()` until defaults are requested. */
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456 | return Object.entries(configs[id].properties)
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457 | .filter(([, info]) => 'default' in info)
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458 | .reduce(defaultsReducer, {});
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459 | }
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460 | });
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461 |
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462 | return defaults;
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463 | },
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464 | {}
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465 | )
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466 | };
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