The JavaScript Database, for Node.js, nw.js, electron and the browser
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nedb/browser-version/build.js

95 lines
2.7 KiB

/**
* Build the browser version of nedb
*/
var fs = require('fs')
, path = require('path')
, child_process = require('child_process')
, toCopy = ['lib', 'node_modules']
, async, browserify, uglify
;
// Ensuring the node_modules, src and out directories exist
function ensureDirExists (name) {
try {
fs.mkdirSync(path.join(__dirname, name));
} catch (e) {
if (e.code !== 'EEXIST') {
console.log("Error ensuring that node_modules exists");
process.exit(1);
}
}
}
ensureDirExists('node_modules');
ensureDirExists('out');
ensureDirExists('src');
// Installing build dependencies and require them
console.log("Installing build dependencies");
child_process.exec('npm install fs-extra async uglify-js browserify', function (err, stdout, stderr) {
if (err) { console.log("Error reinstalling dependencies"); process.exit(1); }
fs = require('fs-extra');
async = require('async');
browserify = require('browserify');
uglify = require('uglify-js');
async.waterfall([
function (cb) {
console.log("Removing contents of the src directory");
async.eachSeries(fs.readdirSync(path.join(__dirname, 'src')), function (item, _cb) {
fs.remove(path.join(__dirname, 'src', item), _cb);
}, cb);
}
, function (cb) {
console.log("Copying source files");
async.eachSeries(toCopy, function (item, _cb) {
fs.copy(path.join(__dirname, '..', item), path.join(__dirname, 'src', item), _cb);
}, cb);
}
, function (cb) {
console.log("Copying browser specific files to replace their server-specific counterparts");
async.eachSeries(fs.readdirSync(path.join(__dirname, 'browser-specific')), function (item, _cb) {
fs.copy(path.join(__dirname, 'browser-specific', item), path.join(__dirname, 'src', item), _cb);
}, cb);
}
, function (cb) {
console.log("Browserifying the code");
var b = browserify()
, srcPath = path.join(__dirname, 'src/lib/datastore.js');
b.add(srcPath);
b.bundle({ standalone: 'Nedb' }, function (err, out) {
if (err) { return cb(err); }
fs.writeFile(path.join(__dirname, 'out/nedb.js'), out, 'utf8', function (err) {
if (err) {
return cb(err);
} else {
return cb(null, out);
}
});
});
}
, function (out, cb) {
console.log("Creating the minified version");
var compressedCode = uglify.minify(out, { fromString: true });
fs.writeFile(path.join(__dirname, 'out/nedb.min.js'), compressedCode.code, 'utf8', cb);
}
], function (err) {
if (err) {
console.log("Error during build");
console.log(err);
} else {
console.log("Build finished with success");
}
});
});