presentations/highlight-js/tools/node.js

141 lines
4.4 KiB
JavaScript

'use strict';
let _ = require('lodash');
let bluebird = require('bluebird');
let path = require('path');
let packageJSON = require('../package');
let registry = require('./tasks');
let utility = require('./utility');
let directory, filterCB,
languages = utility.glob(path.join('src', 'languages', '*.js')),
header = utility.regex.header;
function templateAllFunc(blobs) {
const names = _.map(blobs, blob => path.basename(blob.name, '.js'));
return bluebird.resolve({ names: names });
}
function buildLanguages() {
let input = languages,
output = path.join(directory.build, 'lib', 'languages'),
replaceArgs = utility.replace(header, ''),
template = 'module.exports = <%= content %>;';
return {
logStart: { task: ['log', 'Building language files.'] },
read: { requires: 'logStart', task: ['glob', input] },
filter: { requires: 'read', task: ['filter', filterCB] },
replace: { requires: 'filter', task: ['replace', replaceArgs] },
template: { requires: 'replace', task: ['template', template] },
writeLog: {
requires: 'template',
task: ['log', 'Writing language files.']
},
write: { requires: 'writeLog', task: ['dest', output] }
};
}
function buildCore() {
const input = path.join(directory.root, 'src', 'highlight.js'),
output = path.join(directory.build, 'lib');
return {
startLog: { task: ['log', 'Building core file.'] },
read: { requires: 'startLog', task: ['read', input] },
writeLog: { requires: 'read', task: ['log', 'Writing core file.'] },
write: { requires: 'writeLog', task: ['dest', output] }
};
}
function buildIndex() {
let input = languages,
output = path.join(directory.build, 'lib', 'index.js'),
templateArgs = {
template: [ 'var hljs = require(\'./highlight\');\n'
, '<% _.each(names, function(name) { %>' +
'hljs.registerLanguage(\'<%= name %>\', ' +
'require(\'./languages/<%= name %>\'));'
, '<% }); %>'
, 'module.exports = hljs;'
].join('\n'),
callback: templateAllFunc
};
return {
startLog: { task: ['log', 'Building index file.'] },
read: { requires: 'startLog', task: ['glob', input] },
filter: { requires: 'read', task: ['filter', filterCB] },
reorder: { requires: 'filter', task: 'reorderDeps' },
template: { requires: 'reorder', task: ['templateAll', templateArgs] },
writeLog: { requires: 'template', task: ['log', 'Writing index file.'] },
write: { requires: 'writeLog', task: ['write', output] }
};
}
function copyMetaFiles() {
let docs = path.join('docs', '*.rst'),
glob = `{README.md,LICENSE,${docs}}`,
input = utility.glob(path.join(directory.root, glob)),
output = { dir: directory.build, base: '.' };
return {
startLog: { task: ['log', 'Copying meta files.'] },
read: { requires: 'startLog', task: ['glob', input] },
writeLog: { requires: 'read', task: ['log', 'Writing meta files.'] },
write: { requires: 'writeLog', task: ['dest', output] }
};
}
function buildStyles() {
let input = path.join(directory.root, 'src', 'styles', '*'),
output = path.join(directory.build, 'styles'),
options = { encoding: 'binary', dir: output };
return {
startLog: { task: ['log', 'Building style files.'] },
read: {
requires: 'startLog',
task: ['glob', utility.glob(input, 'binary')]
},
writeLog: { requires: 'read', task: ['log', 'Writing style files.'] },
write: { requires: 'writeLog', task: ['dest', options] }
};
}
function buildPackageFile() {
const input = path.join(directory.root, 'AUTHORS.en.txt'),
output = path.join(directory.build, 'package.json');
return {
startLog: { task: ['log', 'Building package.json file.'] },
read: { requires: 'startLog', task: ['read', input] },
build: { requires: 'read', task: ['buildPackage', packageJSON] },
writeLog: {
requires: 'build',
task: ['log', 'Writing package.json file.']
},
write: { requires: 'writeLog', task: ['write', output] }
};
}
module.exports = function(commander, dir) {
directory = dir;
filterCB = utility.buildFilterCallback(commander.args);
let tasks = [
buildLanguages(),
buildCore(),
buildIndex(),
buildStyles(),
copyMetaFiles(),
buildPackageFile()
];
return utility.toQueue(tasks, registry);
};