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"use strict"; |
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/* ------------------------------------------------------------------------ */ |
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require ('chai').should () |
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7
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/* ------------------------------------------------------------------------ */ |
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9
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describe ('impl/partition', () => { |
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const partition = require ('./impl/partition') |
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const spans = partition ([ 'a', 'b', 'c', undefined, undefined, 42], x => typeof x) |
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spans.should.deep.equal ([ { label: 'string', items: ['a', 'b', 'c'] }, |
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{ label: 'undefined', items: [undefined, undefined] }, |
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{ label: 'number', items: [42] } ]) |
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}) |
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/* ------------------------------------------------------------------------ */ |
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describe ('StackTracey', () => { |
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const StackTracey = require ('./stacktracey') |
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const shouldBeVisibleInStackTrace = () => new StackTracey () // @hide |
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it ('works', () => { |
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const stack = shouldBeVisibleInStackTrace () |
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stack.should.be.an.instanceof (Array) |
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33
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stack[0].should.deep.equal ({ |
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beforeParse: 'at shouldBeVisibleInStackTrace (' + process.cwd () + '/test.js:25:47)', |
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callee: 'shouldBeVisibleInStackTrace', |
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index: false, |
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native: false, |
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file: process.cwd () + '/test.js', |
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line: 25, |
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column: 47, |
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calleeShort: 'shouldBeVisibleInStackTrace', |
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fileName: 'test.js', |
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fileRelative: 'test.js', |
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fileShort: 'test.js', |
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thirdParty: false |
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}) |
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47
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}) |
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48
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49
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it ('allows to read sources', () => { |
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const stack = shouldBeVisibleInStackTrace ().withSources // @hide |
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53
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stack.should.be.an.instanceof (StackTracey) |
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stack[0].beforeParse.should.not.be.undefined // should preserve previous fields |
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55
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stack[0].sourceLine.should.equal (' const shouldBeVisibleInStackTrace = () => new StackTracey () ') |
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stack[0].hide.should.equal (true) // reads // @hide marker |
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stack[1].hide.should.equal (true) // reads // @hide marker |
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59
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const cleanStack = stack.clean |
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61
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cleanStack.should.be.an.instanceof (StackTracey) |
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63
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StackTracey.locationsEqual (cleanStack[0], stack[0]).should.equal (true) // should not clean top element |
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StackTracey.locationsEqual (cleanStack[1], stack[1]).should.equal (false) // should clean second element (due to // @hide) |
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}) |
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it ('allows creation from array + groups duplicate lines', () => { |
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69
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const stack = new StackTracey ([ |
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{ file: 'yo.js', line: 11, callee: 'a.funkktion', calleeShort: 'a' }, |
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{ file: 'yo.js', line: 10, callee: 'foobar.boobar', calleeShort: 'foobar' }, |
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{ file: 'yo.js', line: 10, callee: 'foobar.boobar', calleeShort: 'foobar' }, |
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{ file: 'lol.js', line: 10, callee: '', calleeShort: '' }, |
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]) |
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const clean = stack.clean.map (x => Object.assign ({ |
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file: x.file, |
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line: x.line, |
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callee: x.callee, |
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calleeShort: x.calleeShort })) |
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clean.should.be.an.instanceof (StackTracey) |
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84
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Array.from (clean).should.deep.equal ([ // .should does not recognize StackTracey as normal array... |
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85
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86
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{ file: process.cwd () + '/yo.js', line: 11, callee: 'a.funkktion', calleeShort: 'a' }, |
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{ file: process.cwd () + '/yo.js', line: 10, callee: 'foobar.boobar → foobar.boobar', calleeShort: 'foobar → foobar' }, |
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{ file: process.cwd () + '/lol.js', line: 10, callee: '', calleeShort: '' }, |
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]) |
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}) |
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92
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it ('handles inaccessible files', () => { |
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const stack = shouldBeVisibleInStackTrace () |
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stack[0].file = '^___^' |
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stack.withSources[0].sourceLine.should.equal ('') |
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stack.withSources[0].error.should.be.an.instanceof (Error) |
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}) |
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100
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it ('exposes some Array methods', () => { |
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101
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102
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const stack = shouldBeVisibleInStackTrace () |
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const sliced = stack.slice (1) |
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const deltaLength = (stack.length - sliced.length) |
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105
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106
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deltaLength.should.equal (1) |
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sliced.should.be.an.instanceof (StackTracey) |
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108
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109
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sliced.filter (x => true).should.be.an.instanceof (StackTracey) |
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110
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}) |
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112
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it ('works with sourcemaps', () => { |
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114
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const path = require ('path'), |
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mkay = require ('./test_files/mkay.uglified') |
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116
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117
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try { |
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mkay () |
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} |
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catch (e) { |
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121
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122
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e.message.should.equal ('mkay') |
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123
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124
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const top = new StackTracey (e).withSources[0] |
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125
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126
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top.line .should.equal (4) |
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127
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top.column .should.equal (22) |
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128
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top.sourceLine .should.equal ('\t\t\t\t\tthrow new Error (\'mkay\') }') |
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129
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130
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top.file .should.equal (path.resolve ('./test_files/mkay.js')) |
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top.fileShort .should.equal ('test_files/mkay.js') |
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top.fileName .should.equal ('mkay.js') |
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} |
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}) |
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136
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it ('pretty printing works', function prettyTest () { |
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138
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const pretty = new StackTracey ().clean.pretty |
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139
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140
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pretty.split ('\n')[0].should.equal ('at prettyTest test.js:138 const pretty = new StackTracey ().clean.pretty') |
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}) |
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142
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143
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it ('exposes Array methods', () => { |
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144
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145
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const stack = new StackTracey ([ |
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146
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{ file: 'foo' }, |
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147
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{ file: 'bar' } |
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148
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]) |
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149
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150
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const mapped = stack.map ((x, i) => Object.assign (x, { i })) |
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151
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152
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mapped.should.deep.equal ([ { file: 'foo', i: 0 }, { file: 'bar', i: 1 } ]) |
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153
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mapped.should.be.an.instanceof (Array) |
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154
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mapped.should.be.an.instanceof (StackTracey) |
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155
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156
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stack.reduce ((memo, x) => memo + x.file, '').should.equal ('foobar') |
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157
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158
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const filtered = stack.filter (x => x.file === 'bar') |
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159
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160
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filtered.length.should.equal (1) |
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161
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filtered[0].should.deep.equal ({ file: 'bar', i: 1 }) |
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162
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}) |
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163
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164
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it ('computes relative path correctly', () => { |
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165
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166
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StackTracey.relativePath ('webpack:///~/jquery/dist/jquery.js') |
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167
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.should.equal ( '~/jquery/dist/jquery.js') |
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168
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169
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StackTracey.relativePath ('webpack:/webpack/bootstrap') |
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.should.equal ( 'webpack/bootstrap') |
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}) |
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172
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173
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it ('computes short path correctly', () => { |
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174
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175
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StackTracey.shortenPath ('webpack/bootstrap/jquery/dist/jquery.js') |
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.should.equal ('jquery/dist/jquery.js') |
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177
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178
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StackTracey.shortenPath ('node_modules/jquery/dist/jquery.js') |
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179
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.should.equal ('jquery/dist/jquery.js') |
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180
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}) |
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181
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182
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const nodeVersion = Number (process.version.match(/^v(\d+\.\d+)/)[1]) |
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183
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if (nodeVersion >= 5) { |
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184
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185
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it ('recognizes SyntaxErrors', () => { |
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186
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187
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try { require ('./test_files/syntax_error.js') } |
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188
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catch (e) { |
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189
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190
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const stack = new StackTracey (e).clean |
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191
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192
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stack[0].syntaxError.should.equal (true) |
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193
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stack[0].column.should.equal (5) |
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194
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stack.pretty.split ('\n')[0].should.equal ('at (syntax error) test_files/syntax_error.js:2 foo->bar () ') |
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195
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} |
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196
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}) |
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197
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} |
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198
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}) |
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199
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200
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201
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202
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xpl /
stacktracey
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