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About the developer

4.5K Stars 322 Forks MIT License 284 Commits 85 Opened issues


JavaScript source code visualization, static analysis, and complexity tool

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Needs active maintainer

plato was updated to support es6 by @devcrust, but needs an active maintainer to keep it moving forward.

Build Status

Visualize JavaScript source complexity with plato.

Example report on popular projects


Install the module with:

npm install -g plato


From the commandline

Usage : plato [options] -d  
  -h, --help
      Display this help text.
  -q, --quiet
      Reduce output to errors only
  -v, --version
      Print the version.
  -x, --exclude : String
      File exclusion regex
  -d, --dir : String *required*
      The output directory
  -r, --recurse
      Recursively search directories
  -l, --jshint : String
      Specify a jshintrc file for JSHint linting
  -e, --eslint : String
      Specify a eslintrc file for ESLint linting
  -t, --title : String
      Title of the report
  -D, --date : String
      Time to use as the report date (seconds, > 9999999999 assumed to be ms)
  -n, --noempty
      Skips empty lines from line count


plato -r -d report src

Extended example

plato -r -d report -l .jshintrc -t "My Awesome App" -x .json routes/*.js

From scripts

var plato = require('plato');

var files = [ 'path/to/javascript/file1.js', ... 'path/to/javascript/fileN.js' ];

var outputDir = './output/dir'; // null options for this example var options = { title: 'Your title here' };

var callback = function (report){ // once done the analysis, // execute this };

plato.inspect(files, outputDir, options, callback);

Data sources


Release History

  • 1.6.0 Support es6 by updating eslint and using fork of escomplex
  • 1.3.0 Merged 107,130,128,119,114. Numerous bug fixed.
    • Minor bumped for changes to parsing of files passed. Technically a breaking change but effectively a bug fix + feature so bumping minor.
  • 1.2.1 Bumping versions for jshint and lodash
  • 1.2.0 add ability to disable jshint
  • 1.1.0 fix issue with running casperjs tests
  • 1.0.1 fix issue with first line hashbang
  • 1.0.0 promote to 1.0.0 with bug fixes
  • 0.6.2 Added sortable file list, updated to bootstrap 3
  • 0.6.1 Fixed width overflow issues in file reports
  • 0.6.0 updated major dependency complexity-report
  • 0.5.0 Added historical reports
  • 0.4.7 Updated jshint to 1.1.0 (via #22) to jshint to address #16
  • 0.4.6 Performance improvements on file view
  • 0.4.5 Updated complexity-report to 0.7.0 to prefer the 0-100 based maintainability index
  • 0.4.4 Added quiet mode, exclusion regex, description popovers
  • 0.4.3 Updated dependencies to fix reporting issues
  • 0.4.2 Fixed overview links to files
  • 0.4.1 Fixed jshint option passing
  • 0.4.0 Added summary stats, Casper tests, nodunit tests
    • Breaking : plato api
  • 0.3.1 Added graphs
  • 0.3.0 Formatting changes, refactoring.
    • Breaking : jshint reporting api
  • 0.2.0 added jshint reporting.
    • Breaking : options api, cli api
  • 0.1.0 initial release


Copyright (c) 2012 Jarrod Overson Licensed under the MIT license.

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