requisite/lib/minify.js

A cosmic javascript bundler.

// Generated by CoffeeScript 1.10.0
var auto, detectMinifier, minifiers, wrapper;

detectMinifier = function(minifier) {
  var err, error, error1;
  if (minifier == null) {
    minifier = 'esmangle';
  }
  if (/^uglify/.test(minifier)) {
    return 'uglify';
  }
  try {
    if (require.resolve('uglify-js')) {
      return 'uglify';
    }
  } catch (error) {
    err = error;
  }
  try {
    require.resolve('esmangle');
  } catch (error1) {
    err = error1;
    throw new Error('Unable to determine minifier to use');
  }
  return minifier;
};

minifiers = {
  esmangle: function(ast) {
    var escodegen, esmangle, mangled, optimized;
    escodegen = require('escodegen');
    esmangle = require('esmangle');
    optimized = esmangle.optimize(ast, null);
    mangled = esmangle.mangle(optimized);
    return escodegen.generate(mangled, {
      comment: false,
      format: {
        indent: {
          style: '',
          base: 0
        },
        compact: true,
        escapeless: true,
        hexadecimal: true,
        parentheses: false,
        quotes: 'auto',
        renumber: true,
        semicolons: false
      }
    });
  },
  uglify: function(ast) {
    var compressed, compressor, uglified, uglify;
    uglify = require('uglify-js');
    uglified = uglify.AST_Node.from_mozilla_ast(ast);
    uglified.figure_out_scope();
    compressor = uglify.Compressor({
      warnings: false
    });
    compressed = uglified.transform(compressor);
    compressed.figure_out_scope();
    compressed.compute_char_frequency();
    compressed.mangle_names();
    return compressed.print_to_string();
  }
};

auto = function(ast, opts) {
  var minifier;
  minifier = detectMinifier(opts.minifier);
  return minifiers[minifier](ast, opts);
};

wrapper = auto;

wrapper.auto = auto;

wrapper.minifiers = minifiers;

module.exports = wrapper;

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