Node.js build script for compiling highlight.js to publish onto jamjs.

buildjamjs.js

// build for jamjs/requirejs with every language option
// written by Kyle Robinson Young (github.com/shama) for packaging to jamjs

var fs = require('fs');
var path = require('path');
var mkdirp = require('mkdirp');
var rimraf = require('rimraf');
var cpr = require('cpr').cpr;
var metamorph = require('metamorph');

// in/out
var src = path.join(__dirname, '../src');
var out = path.join(__dirname, '../build');

// rmdir/mkdir output folder
rimraf.sync(out); mkdirp.sync(out);

// create jam compat package.json
var pdata = {
  name: 'highlight',
  version: (require('../src/package.json')).version + '-jam.1',
  main: 'highlight',
  jam: { main: 'highlight' }
};
metamorph(path.join(src, 'package.json'), 'jam', pdata, path.join(out, 'package.json'));

// copy styles and start compiling things
cpr(path.join(src, 'styles'), path.join(out, 'styles'), function() {
  compileLangs();
  compileCommon();
  compileHighlight();
  compileReadme();
});

// compile languages
function compileLangs() {
  var langSrc = path.join(src, 'languages');
  var langOut = path.join(out, 'languages');
  if (!fs.existsSync(langOut)) mkdirp.sync(langOut);
  fs.readdirSync(langSrc).forEach(function(file) {
    var lang = path.basename(file, '.js');
    var o = path.join(langOut, file);
    var data = "define(['highlight'], function(hljs) { hljs.LANGUAGES['" + lang + "'] = (\n\n"
      + fs.readFileSync(path.join(langSrc, file))
      + "\n)(hljs); return hljs.LANGUAGES['" + lang + "']; });\n";
    console.log('Wrote ' + path.relative(out, o));
    fs.writeFileSync(o, data);
  });
}

// compile highlight
function compileHighlight() {
  var main = path.join(src, 'highlight.js');
  var mainOut = path.join(out, 'highlight.js');
  var data = 'define(function() {var hljs = new (\n'
    + fs.readFileSync(main, 'utf8')
    + '\n)(); return hljs; });';
  console.log('Wrote ' + path.relative(out, mainOut));
  fs.writeFileSync(mainOut, data);
}

// compile common langs into one file for convenience 
function compileCommon() {
  var o = path.join(out, 'languages', 'common.js');
  var data = "define(['highlight'], function(hljs) {\n\n";
  [
    'bash', 'java', 'ini', 'sql', 'diff', 'php', 'cs',
    'cpp', 'ruby', 'python', 'css', 'perl', 'xml',
    'javascript', 'http', 'json'
  ].forEach(function(lang) {
    var file = lang + '.js';
    data += "hljs.LANGUAGES['" + lang + "'] = (\n\n"
      + fs.readFileSync(path.join(src, 'languages', file))
      + "\n)(hljs);\n\n";
  });
  data += "});\n";
  console.log('Wrote ' + path.relative(out, o));
  fs.writeFileSync(o, data);
}

// make a modified readme
function compileReadme() {
  var data = fs.readFileSync(path.join(__dirname, '../README.md'));
  var rOut = path.join(out, 'README.md');
  data = [
    'This package has been modified by [shama](https://github.com/shama) to be',
    'more easily consumable by JamJS or RequireJS.\n',
    'Please require `highlight` and each desired language like such:\n',
    '```js',
    'require([',
    "  'highlight',",
    "  'highlight/languages/javascript'",
    "  'highlight/languages/css'",
    '], function(hljs) {',
    '  hljs.initHighlightingOnLoad();',
    '});',
    '```\n',
    'Or if you just want to include all the common languages:\n',
    '```js',
    'require([',
    "  'highlight',",
    "  'highlight/languages/common'",
    '], function(hljs) {',
    '  hljs.initHighlightingOnLoad();',
    '});',
    '```\n',
    'Thank you to [Ivan Sagalaev](https://github.com/isagalaev) and contributors',
    'for making this library!\n\n',
  ].join('\n') + '\n\n' + data;
  console.log('Wrote ' + path.relative(out, rOut));
  fs.writeFileSync(rOut, data);
}