Class: Linguist::Generated

Inherits:
Object
  • Object
show all
Defined in:
lib/linguist/generated.rb

Constant Summary collapse

PROTOBUF_EXTENSIONS = 
['.py', '.java', '.h', '.cc', '.cpp', '.rb']
APACHE_THRIFT_EXTENSIONS = 
['.rb', '.py', '.go', '.js', '.m', '.java', '.h', '.cc', '.cpp', '.php']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, data) ⇒ Generated

Internal: Initialize Generated instance

name - String filename data - String blob data



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# File 'lib/linguist/generated.rb', line 19

def initialize(name, data)
  @name = name
  @extname = File.extname(name)
  @_data = data
end

Instance Attribute Details

#extname ⇒ Object (readonly)

Returns the value of attribute extname.



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# File 'lib/linguist/generated.rb', line 25

def extname
  @extname
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/linguist/generated.rb', line 25

def name
  @name
end

Class Method Details

.generated?(name, data) ⇒ Boolean

Public: Is the blob a generated file?

name - String filename data - String blob data. A block also may be passed in for lazy

loading. This behavior is deprecated and you should always
pass in a String.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 11

def self.generated?(name, data)
  new(name, data).generated?
end

Instance Method Details

#cargo_lock? ⇒ Boolean

Internal: Is the blob a generated Rust Cargo lock file?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 398

def cargo_lock?
  !!name.match(/Cargo\.lock/)
end

#carthage_build? ⇒ Boolean

Internal: Is the blob part of Carthage/Build/, which contains dependencies not meant for humans in pull requests.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 117

def carthage_build?
  !!name.match(/(^|\/)Carthage\/Build\//)
end

#cocoapods? ⇒ Boolean

Internal: Is the blob part of Pods/, which contains dependencies not meant for humans in pull requests.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 110

def cocoapods?
  !!name.match(/(^Pods|\/Pods)\//)
end

#compiled_coffeescript? ⇒ Boolean

Internal: Is the blob of JS generated by CoffeeScript?

CoffeeScript is meant to output JS that would be difficult to tell if it was generated or not. Look for a number of patterns output by the CS compiler.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 174

def compiled_coffeescript?
  return false unless extname == '.js'

  # CoffeeScript generated by > 1.2 include a comment on the first line
  if lines[0] =~ /^\/\/ Generated by /
    return true
  end

  if lines[0] == '(function() {' &&     # First line is module closure opening
      lines[-2] == '}).call(this);' &&  # Second to last line closes module closure
      lines[-1] == ''                   # Last line is blank

    score = 0

    lines.each do |line|
      if line =~ /var /
        # Underscored temp vars are likely to be Coffee
        score += 1 * line.gsub(/(_fn|_i|_len|_ref|_results)/).count

        # bind and extend functions are very Coffee specific
        score += 3 * line.gsub(/(__bind|__extends|__hasProp|__indexOf|__slice)/).count
      end
    end

    # Require a score of 3. This is fairly arbitrary. Consider
    # tweaking later.
    score >= 3
  else
    false
  end
end

#compiled_cython_file? ⇒ Boolean

Internal: Is this a compiled C/C++ file from Cython?

Cython-compiled C/C++ files typically contain: /* Generated by Cython x.x.x on … */ on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 419

def compiled_cython_file?
  return false unless ['.c', '.cpp'].include? extname
  return false unless lines.count > 1
  return lines[0].include?("Generated by Cython")
end

#composer_lock? ⇒ Boolean

Internal: Is the blob a generated php composer lock file?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 384

def composer_lock?
  !!name.match(/composer\.lock/)
end

#data ⇒ Object

Lazy load blob data if block was passed in.

Awful, awful stuff happening here.

Returns String data.



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# File 'lib/linguist/generated.rb', line 32

def data
  @data ||= @_data.respond_to?(:call) ? @_data.call() : @_data
end

#generated? ⇒ Boolean

Internal: Is the blob a generated file?

Generated source code is suppressed in diffs and is ignored by language statistics.

Please add additional test coverage to ‘test/test_blob.rb#test_generated` if you make any changes.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 53

def generated?
  xcode_file? ||
  cocoapods? ||
  carthage_build? ||
  generated_graphql_relay? ||
  generated_net_designer_file? ||
  generated_net_specflow_feature_file? ||
  composer_lock? ||
  cargo_lock? ||
  node_modules? ||
  go_vendor? ||
  go_lock? ||
  npm_shrinkwrap_or_package_lock? ||
  godeps? ||
  generated_by_zephir? ||
  minified_files? ||
  has_source_map? ||
  source_map? ||
  compiled_coffeescript? ||
  generated_parser? ||
  generated_net_docfile? ||
  generated_postscript? ||
  compiled_cython_file? ||
  generated_go? ||
  generated_protocol_buffer? ||
  generated_javascript_protocol_buffer? ||
  generated_apache_thrift? ||
  generated_jni_header? ||
  vcr_cassette? ||
  generated_module? ||
  generated_unity3d_meta? ||
  generated_racc? ||
  generated_jflex? ||
  generated_grammarkit? ||
  generated_roxygen2? ||
  generated_pkgdown? ||
  generated_jison? ||
  generated_yarn_lock? ||
  generated_grpc_cpp? ||
  generated_dart? ||
  generated_perl_ppport_header? ||
  generated_gamemakerstudio?
end

#generated_apache_thrift? ⇒ Boolean

Internal: Is the blob generated by Apache Thrift compiler?

Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 328

def generated_apache_thrift?
  return false unless APACHE_THRIFT_EXTENSIONS.include?(extname)
  return lines.first(6).any? { |l| l.include?("Autogenerated by Thrift Compiler") }
end

#generated_by_zephir? ⇒ Boolean

Internal: Is the blob generated by Zephir?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 391

def generated_by_zephir?
  !!name.match(/.\.zep\.(?:c|h|php)$/)
end

#generated_dart? ⇒ Boolean

Internal: Is this a generated Dart file?

A dart-lang/appengine generated file contains: // Generated code. Do not modify. on the first line.

An owl generated file contains: // GENERATED CODE - DO NOT MODIFY on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 576

def generated_dart?
  return false unless extname == '.dart'
  return false unless lines.count > 1
  return lines.first.downcase =~ /generated code\W{2,3}do not modify/
end

#generated_gamemakerstudio? ⇒ Boolean

Internal: Is this a generated Game Maker Studio (2) metadata file?

All Game Maker Studio 2 generated files will be JSON, .yy or .yyp, and have a part that looks like “modelName: GMname” on the 3rd line

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 604

def generated_gamemakerstudio?
  return false unless ['.yy', '.yyp'].include? extname
  return false unless lines.count > 3
  return lines[2].match(/\"modelName\"\:\s*\"GM/) ||
         lines[0] =~ /^\d\.\d\.\d.+\|\{/
end

#generated_go? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 292

def generated_go?
  return false unless extname == '.go'
  return false unless lines.count > 1

  return lines[0].include?("Code generated by")
end

#generated_grammarkit? ⇒ Boolean

Internal: Is this a GrammarKit-generated file?

A GrammarKit-generated file typically contain: // This is a generated file. Not intended for manual editing. on the first line. This is not always the case, as it’s possible to customize the class header.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 490

def generated_grammarkit?
  return false unless extname == '.java'
  return false unless lines.count > 1
  return lines[0].start_with?("// This is a generated file. Not intended for manual editing.")
end

#generated_graphql_relay? ⇒ Boolean

Internal: Is this a relay-compiler generated graphql file?

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 594

def generated_graphql_relay?
  !!name.match(/__generated__\//)
end

#generated_grpc_cpp? ⇒ Boolean

Internal: Is this a protobuf/grpc-generated C++ file?

A generated file contains: // Generated by the gRPC C++ plugin. on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 559

def generated_grpc_cpp?
  return false unless %w{.cpp .hpp .h .cc}.include? extname
  return false unless lines.count > 1
  return lines[0].start_with?("// Generated by the gRPC")
end

#generated_javascript_protocol_buffer? ⇒ Boolean

Internal: Is the blob a Javascript source file generated by the Protocol Buffer compiler?

Returns true of false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 316

def generated_javascript_protocol_buffer?
  return false unless extname == ".js"
  return false unless lines.count > 6

  return lines[5].include?("GENERATED CODE -- DO NOT EDIT!")
end

#generated_jflex? ⇒ Boolean

Internal: Is this a JFlex-generated file?

A JFlex-generated file contains: /* The following code was generated by JFlex x.y.z on d/at/e ti:me */ on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 476

def generated_jflex?
  return false unless extname == '.java'
  return false unless lines.count > 1
  return lines[0].start_with?("/* The following code was generated by JFlex ")
end

#generated_jison? ⇒ Boolean

Internal: Is this a Jison-generated file?

Jison-generated parsers typically contain: /* parser generated by jison on the first line.

Jison-generated lexers typically contain: /* generated by jison-lex on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 536

def generated_jison?
  return false unless extname == '.js'
  return false unless lines.count > 1
  return lines[0].start_with?("/* parser generated by jison ") ||
         lines[0].start_with?("/* generated by jison-lex ")
end

#generated_jni_header? ⇒ Boolean

Internal: Is the blob a C/C++ header generated by the Java JNI tool javah?

Returns true of false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 336

def generated_jni_header?
  return false unless extname == '.h'
  return false unless lines.count > 2

  return lines[0].include?("/* DO NOT EDIT THIS FILE - it is machine generated */") &&
           lines[1].include?("#include <jni.h>")
end

#generated_module? ⇒ Boolean

Internal: Is it a KiCAD or GFortran module file?

KiCAD module files contain: PCBNEW-LibModule-V1 yyyy-mm-dd h:mm:ss XM on the first line.

GFortran module files contain: GFORTRAN module version ‘x’ created from on the first line.

Return true of false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 436

def generated_module?
  return false unless extname == '.mod'
  return false unless lines.count > 1
  return lines[0].include?("PCBNEW-LibModule-V") ||
          lines[0].include?("GFORTRAN module version '")
end

#generated_net_designer_file? ⇒ Boolean

Internal: Is this a codegen file for a .NET project?

Visual Studio often uses code generation to generate partial classes, and these files can be quite unwieldy. Let’s hide them.

Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 231

def generated_net_designer_file?
  name.downcase =~ /\.designer\.(cs|vb)$/
end

#generated_net_docfile? ⇒ Boolean

Internal: Is this a generated documentation file for a .NET assembly?

.NET developers often check in the XML Intellisense file along with an assembly - however, these don’t have a special extension, so we have to dig into the contents to determine if it’s a docfile. Luckily, these files are extremely structured, so recognizing them is easy.

Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 214

def generated_net_docfile?
  return false unless extname.downcase == ".xml"
  return false unless lines.count > 3

  # .NET Docfiles always open with <doc> and their first tag is an
  # <assembly> tag
  return lines[1].include?("<doc>") &&
    lines[2].include?("<assembly>") &&
    lines[-2].include?("</doc>")
end

#generated_net_specflow_feature_file? ⇒ Boolean

Internal: Is this a codegen file for Specflow feature file?

Visual Studio’s SpecFlow extension generates *.feature.cs files from *.feature files, they are not meant to be consumed by humans. Let’s hide them.

Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 242

def generated_net_specflow_feature_file?
  name.downcase =~ /\.feature\.cs$/
end

#generated_parser? ⇒ Boolean

Internal: Is the blob of JS a parser generated by PEG.js?

PEG.js-generated parsers are not meant to be consumed by humans.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 251

def generated_parser?
  return false unless extname == '.js'

  # PEG.js-generated parsers include a comment near the top  of the file
  # that marks them as such.
  if lines[0..4].join('') =~ /^(?:[^\/]|\/[^\*])*\/\*(?:[^\*]|\*[^\/])*Generated by PEG.js/
    return true
  end

  false
end

#generated_perl_ppport_header? ⇒ Boolean

Internal: Is the file a generated Perl/Pollution/Portability header file?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 585

def generated_perl_ppport_header?
    return false unless name.match(/ppport\.h$/)
    return false unless lines.count > 10
    return lines[8].include?("Automatically created by Devel::PPPort")
end

#generated_pkgdown? ⇒ Boolean

Internal: Is this a pkgdown-generated file?

A pkgdown-generated file typically contains: <!– Generated by pkgdown: do not edit by hand –> on the first or second line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 517

def generated_pkgdown?
  return false unless extname == '.html'
  return false unless lines.count > 1

  return lines[0].start_with?("<!-- Generated by pkgdown: do not edit by hand -->") ||
         lines[1].start_with?("<!-- Generated by pkgdown: do not edit by hand -->")
end

#generated_postscript? ⇒ Boolean

Internal: Is the blob of PostScript generated?

PostScript files are often generated by other programs. If they tell us so, we can detect them.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 269

def generated_postscript?
  return false unless ['.ps', '.eps', '.pfa'].include? extname

  # Type 1 and Type 42 fonts converted to PostScript are stored as hex-encoded byte streams; these
  # streams are always preceded the `eexec` operator (if Type 1), or the `/sfnts` key (if Type 42).
  return true if data =~ /(\n|\r\n|\r)\s*(?:currentfile eexec\s+|\/sfnts\s+\[\1<)\h{8,}\1/

  # We analyze the "%%Creator:" comment, which contains the author/generator
  # of the file. If there is one, it should be in one of the first few lines.
  creator = lines[0..9].find {|line| line =~ /^%%Creator: /}
  return false if creator.nil?

  # Most generators write their version number, while human authors' or companies'
  # names don't contain numbers. So look if the line contains digits. Also
  # look for some special cases without version numbers.
  return true if creator =~ /[0-9]|draw|mpage|ImageMagick|inkscape|MATLAB/ ||
    creator =~ /PCBNEW|pnmtops|\(Unknown\)|Serif Affinity|Filterimage -tops/

  # EAGLE doesn't include a version number when it generates PostScript.
  # However, it does prepend its name to the document's "%%Title" field.
  !!creator.include?("EAGLE") and lines[0..4].find {|line| line =~ /^%%Title: EAGLE Drawing /}
end

#generated_protocol_buffer? ⇒ Boolean

Internal: Is the blob a C++, Java or Python source file generated by the Protocol Buffer compiler?

Returns true of false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 305

def generated_protocol_buffer?
  return false unless PROTOBUF_EXTENSIONS.include?(extname)
  return false unless lines.count > 1

  return lines[0].include?("Generated by the protocol buffer compiler.  DO NOT EDIT!")
end

#generated_racc? ⇒ Boolean

Internal: Is this a Racc-generated file?

A Racc-generated file contains: # This file is automatically generated by Racc x.y.z on the third line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 463

def generated_racc?
  return false unless extname == '.rb'
  return false unless lines.count > 2
  return lines[2].start_with?("# This file is automatically generated by Racc")
end

#generated_roxygen2? ⇒ Boolean

Internal: Is this a roxygen2-generated file?

A roxygen2-generated file typically contain: % Generated by roxygen2: do not edit by hand on the first line.

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 503

def generated_roxygen2?
  return false unless extname == '.Rd'
  return false unless lines.count > 1

  return lines[0].include?("% Generated by roxygen2: do not edit by hand")
end

#generated_unity3d_meta? ⇒ Boolean

Internal: Is this a metadata file from Unity3D?

Unity3D Meta files start with:

fileFormatVersion: X
guid: XXXXXXXXXXXXXXX

Return true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 450

def generated_unity3d_meta?
  return false unless extname == '.meta'
  return false unless lines.count > 1
  return lines[0].include?("fileFormatVersion: ")
end

#generated_yarn_lock? ⇒ Boolean

Internal: Is the blob a generated yarn lockfile?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 546

def generated_yarn_lock?
  return false unless name.match(/yarn\.lock/)
  return false unless lines.count > 0
  return lines[0].include?("# THIS IS AN AUTOGENERATED FILE")
end

#go_lock? ⇒ Boolean

Internal: Is the blob a generated Go dep or glide lock file?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 362

def go_lock?
  !!name.match(/(Gopkg|glide)\.lock/)
end

#go_vendor? ⇒ Boolean

Internal: Is the blob part of the Go vendor/ tree, not meant for humans in pull requests.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 355

def go_vendor?
  !!name.match(/vendor\/((?!-)[-0-9A-Za-z]+(?<!-)\.)+(com|edu|gov|in|me|net|org|fm|io)/)
end

#godeps? ⇒ Boolean

Internal: Is the blob part of Godeps/, which are not meant for humans in pull requests.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 377

def godeps?
  !!name.match(/Godeps\//)
end

#has_source_map? ⇒ Boolean

Internal: Does the blob contain a source map reference?

We assume that if one of the last 2 lines starts with a source map reference, then the current file was generated from other files.

We use the last 2 lines because the last line might be empty.

We only handle JavaScript, no CSS support yet.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 148

def has_source_map?
  return false unless extname.downcase == '.js'
  lines.last(2).any? { |line| line.start_with?('//# sourceMappingURL') }
end

#lines ⇒ Object

Public: Get each line of data

Returns an Array of lines



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# File 'lib/linguist/generated.rb', line 39

def lines
  # TODO: data should be required to be a String, no nils
  @lines ||= data ? data.split("\n", -1) : []
end

#minified_files? ⇒ Boolean

Internal: Is the blob minified files?

Consider a file minified if the average line length is greater then 110c.

Currently, only JS and CSS files are detected by this method.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 129

def minified_files?
  return unless ['.js', '.css'].include? extname
  if lines.any?
    (lines.inject(0) { |n, l| n += l.length } / lines.length) > 110
  else
    false
  end
end

#node_modules? ⇒ Boolean

Internal: Is the blob part of node_modules/, which are not meant for humans in pull requests.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 347

def node_modules?
  !!name.match(/node_modules\//)
end

#npm_shrinkwrap_or_package_lock? ⇒ Boolean

Internal: Is the blob a generated npm shrinkwrap or package lock file?

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 369

def npm_shrinkwrap_or_package_lock?
  name.match(/npm-shrinkwrap\.json/) || name.match(/package-lock\.json/)
end

#source_map? ⇒ Boolean

Internal: Is the blob a generated source map?

Source Maps usually have .css.map or .js.map extensions. In case they are not following the name convention, detect them based on the content.

Returns true or false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 159

def source_map?
  return false unless extname.downcase == '.map'

  name =~ /(\.css|\.js)\.map$/i ||                 # Name convention
  lines[0] =~ /^{"version":\d+,/ ||                # Revision 2 and later begin with the version number
  lines[0] =~ /^\/\*\* Begin line maps\. \*\*\/{/  # Revision 1 begins with a magic comment
end

#vcr_cassette? ⇒ Boolean

Is the blob a VCR Cassette file?

Returns true or false

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 405

def vcr_cassette?
  return false unless extname == '.yml'
  return false unless lines.count > 2
  # VCR Cassettes have "recorded_with: VCR" in the second last line.
  return lines[-2].include?("recorded_with: VCR")
end

#xcode_file? ⇒ Boolean

Internal: Is the blob an Xcode file?

Generated if the file extension is an Xcode file extension.

Returns true of false.

Returns:

  • (Boolean) 


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# File 'lib/linguist/generated.rb', line 103

def xcode_file?
  ['.nib', '.xcworkspacedata', '.xcuserstate'].include?(extname)
end