{"id":25673,"library":"grunt-esperanto","title":"grunt-esperanto","description":"Grunt plugin wrapping esperanto for transpiling ES6 modules to AMD, CommonJS, or UMD. Version 0.4.0 (last release) supports esperanto's `amdName` option. Designed for use with Grunt ~0.4.5. Key differentiator: integrates esperanto into Grunt build pipeline, providing file-based bundling with configurable output formats. No longer actively maintained; esperanto itself is deprecated in favor of rollup or other bundlers. Release cadence: sporadic, no releases since 2015.","status":"deprecated","version":"0.4.0","language":"javascript","source_language":"en","source_url":"git://github.com/developit/grunt-esperanto","tags":["javascript","gruntplugin"],"install":[{"cmd":"npm install grunt-esperanto","lang":"bash","label":"npm"},{"cmd":"yarn add grunt-esperanto","lang":"bash","label":"yarn"},{"cmd":"pnpm add grunt-esperanto","lang":"bash","label":"pnpm"}],"dependencies":[{"reason":"peer dependency, Grunt ~0.4.5 required","package":"grunt","optional":true},{"reason":"underlying transpiler library","package":"esperanto","optional":false}],"imports":[{"note":"Must use package name, not the underlying library.","wrong":"grunt.loadNpmTasks('esperanto');","symbol":"grunt.loadNpmTasks","correct":"grunt.loadNpmTasks('grunt-esperanto');"},{"note":"Task name coincides with package name; no require() needed for the plugin itself.","wrong":"grunt.initConfig({ esperanto: { options: { type: 'umd' } } });","symbol":"esperanto task configuration","correct":"grunt.initConfig({ esperanto: { ... } });"}],"quickstart":{"code":"// Install: npm install grunt-esperanto --save-dev\n// Gruntfile.js\nmodule.exports = function(grunt) {\n  grunt.loadNpmTasks('grunt-esperanto');\n  grunt.initConfig({\n    esperanto: {\n      options: { type: 'umd', separator: '\\n' },\n      build: {\n        files: {\n          'dist/bundle.js': ['src/module.js']\n        }\n      }\n    }\n  });\n  grunt.registerTask('default', ['esperanto']);\n};","language":"typescript","description":"Shows a minimal Gruntfile that loads the plugin, configures the task to transpile a module to UMD, and sets it as default."},"warnings":[{"fix":"Migrate to rollup with @rollup/plugin-commonjs for similar functionality.","message":"Package is deprecated; esperanto is unmaintained. Use rollup or webpack instead.","severity":"deprecated","affected_versions":">=0.0.0"},{"fix":"Ensure the task name in initConfig matches the package name.","message":"The task configuration key must be exactly 'esperanto'. Using any other name (e.g., 'esperanto2') will cause Grunt to ignore the configuration silently.","severity":"gotcha","affected_versions":">=0.0.0"},{"fix":"Always set options.type to the desired format.","message":"The 'type' option defaults to 'amd'; not setting it explicitly may produce unexpected output if you expect CJS or UMD.","severity":"gotcha","affected_versions":">=0.0.0"}],"env_vars":null,"last_verified":"2026-05-01T00:00:00.000Z","next_check":"2026-07-30T00:00:00.000Z","problems":[{"fix":"Add grunt.loadNpmTasks('grunt-esperanto'); to your Gruntfile.","cause":"grunt.loadNpmTasks('grunt-esperanto') missing or misspelled.","error":"Warning: Task \"esperanto\" not found. Use --force to continue."},{"fix":"Run npm install esperanto --save-dev","cause":"Esperanto library not installed. grunt-esperanto depends on it as a peer dependency.","error":"Fatal error: Cannot find module 'esperanto'"},{"fix":"Ensure the dest folder exists or create it before running Grunt.","cause":"Destination directory does not exist.","error":"Running \"esperanto:build\" (esperanto) task\nWarning: Unable to write \"dest/bundle.js\" file (Error code: ENOENT)."}],"ecosystem":"npm","meta_description":null,"install_score":null,"install_tag":null,"quickstart_score":null,"quickstart_tag":null}