vis.js is a dynamic, browser-based visualization library
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/**
* Jake build script
*/
var jake = require('jake'),
browserify = require('browserify'),
path = require('path'),
fs = require('fs');
require('jake-utils');
// constants
var VIS = './vis.js';
var VIS_TMP = './vis.js.tmp';
var VIS_MIN = './vis.min.js';
/**
* default task
*/
desc('Execute all tasks: build all libraries');
task('default', ['build', 'minify', 'test'], function () {
console.log('done');
});
/**
* build the visualization library vis.js
*/
desc('Build the visualization library vis.js');
task('build', {async: true}, function () {
// concatenate and stringify the css files
var result = concat({
src: [
'./src/component/css/panel.css',
'./src/component/css/groupset.css',
'./src/component/css/itemset.css',
'./src/component/css/item.css',
'./src/component/css/timeaxis.css'
],
header: '/* vis.js stylesheet */',
separator: '\n'
});
var cssText = JSON.stringify(result.code);
// concatenate the script files
concat({
dest: VIS_TMP,
src: [
'./src/module/imports.js',
'./src/util.js',
'./src/events.js',
'./src/timestep.js',
'./src/dataset.js',
'./src/dataview.js',
'./src/stack.js',
'./src/range.js',
'./src/eventbus.js',
'./src/controller.js',
'./src/component/component.js',
'./src/component/panel.js',
'./src/component/rootpanel.js',
'./src/component/timeaxis.js',
'./src/component/itemset.js',
'./src/component/item/*.js',
'./src/component/group.js',
'./src/component/groupset.js',
'./src/visualization/timeline.js',
'./src/module/exports.js'
],
separator: '\n',
// Note: we insert the css as a string in the javascript code here
// the css will be injected on load of the javascript library
footer: '// inject css\n' +
'util.loadCss(' + cssText + ');\n'
});
// bundle the concatenated script and dependencies into one file
var b = browserify();
b.add(VIS_TMP);
b.bundle({
standalone: 'vis'
}, function (err, code) {
if(err) {
throw err;
}
// add header and footer
var lib = read('./src/header.js') + code;
// write bundled file
write(VIS, lib);
console.log('created ' + VIS);
// remove temporary file
fs.unlinkSync(VIS_TMP);
// update version number and stuff in the javascript files
replacePlaceholders(VIS);
complete();
});
});
/**
* minify the visualization library vis.js
*/
desc('Minify the visualization library vis.js');
task('minify', function () {
// minify javascript
minify({
src: VIS,
dest: VIS_MIN,
header: read('./src/header.js')
});
// update version number and stuff in the javascript files
replacePlaceholders(VIS_MIN);
console.log('created ' + VIS_MIN);
});
/**
* test task
*/
desc('Test the library');
task('test', ['build'], function () {
// TODO: use a testing suite for testing: nodeunit, mocha, tap, ...
var filelist = new jake.FileList();
filelist.include([
'./test/**/*.js'
]);
var files = filelist.toArray();
files.forEach(function (file) {
require('./' + file);
});
console.log('Executed ' + files.length + ' test files successfully');
});
/**
* replace version, date, and name placeholders in the provided file
* @param {String} filename
*/
var replacePlaceholders = function (filename) {
replace({
replacements: [
{pattern: '@@date', replacement: today()},
{pattern: '@@version', replacement: version()}
],
src: filename
});
};