/
index.js
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index.js
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var _ = require('lodash'),
AWS = require('aws-sdk'),
cutil = require('./util'),
rimraf = require('rimraf'),
gutil = require('gulp-util'),
Handlebars = require('handlebars'),
path = require('path'),
ParticleLoader = require('./loaders/particle-loader'),
through = require('through2'),
tasks = require('./tasks');
var Condensation = function(gulp,options) {
this.gulp = gulp;
this.handlebars = Handlebars.create();
this.options = _.merge({
s3: [],
dist: 'dist',
root: Condensation.DEFAULT_ROOT,
dependencySrc: [],
taskPrefix: Condensation.DEFAULT_TASK_PREFIX
},options);
this.options.projectFullPath = path.join(process.cwd(),this.options.root);
this.options.particlesDir = path.join(this.options.root,Condensation.PARTICLES_DIR);
if (!this.options.projectName) {
try { this.options.projectName = require(path.join(process.cwd(),'package.json')).name; } catch(e) {}
}
this.particleLoader = new ParticleLoader({
root: this.options.root
});
this.genTaskName = cutil.genTaskNameFunc({prefix:this.options.taskPrefix});
this.condense();
};
Condensation.DEFAULT_S3_PREFIX = '';
Condensation.DEFAULT_TASK_PREFIX = 'condensation';
Condensation.PARTICLES_DIR = 'particles';
Condensation.DEFAULT_ROOT = './';
Condensation.prototype.condense = function() {
var self = this;
var options = this.options;
var gulp = this.gulp || require('gulp');
var helpers = require('./loaders/all-helpers')({
particleLoader: this.particleLoader,
handlebars: this.handlebars
});
var buildTasks = [];
var deployTasks = [];
var labelTasks = {};
var s3config = options.s3 || [];
_.each(s3config, function(s3opts,i) {
s3opts = _.merge({
prefix: '',
labels: []
},s3opts);
var awsS3 = new AWS.S3({region: s3opts.aws.region});
var distPath = cutil.genDistPath({
id: i.toString(),
s3prefix: s3opts.prefix,
root: self.options.dist
});
// Build task
gulp.task(
self.genTaskName('build',i),
[self.genTaskName('particle-modules:load'),self.genTaskName('clean:errors')],
tasks.build.bind(self,s3opts,distPath,awsS3)
);
buildTasks.push(self.genTaskName('build',i));
// Ensure the bucket(s) defined in the config exist
gulp.task(self.genTaskName('s3','bucket','ensure',i),tasks.s3.ensureBucket.bind(this,s3opts,awsS3));
// Write objects to s3
var writeS3ObjectsDeps = [
self.genTaskName('s3','bucket','ensure',i),
self.genTaskName('build',i)
];
if (s3opts.clean) {
writeS3ObjectsDeps.push(self.genTaskName('s3','objects','delete',i));
};
gulp.task(
self.genTaskName('s3','objects','write',i),
writeS3ObjectsDeps,
tasks.s3.writeObjects.bind(this,s3opts,awsS3,distPath)
);
// Delete objects from s3
gulp.task(
self.genTaskName('s3','objects','delete',i),
[
self.genTaskName('s3','bucket','ensure',i)
],
tasks.s3.deleteObjects.bind(this,s3opts,awsS3)
);
// Deploy to s3 task
gulp.task(self.genTaskName('deploy',i),[self.genTaskName('s3','objects','write',i)]);
deployTasks.push(self.genTaskName('deploy',i));
// Create build and deploy tasks for each label
_.each(s3opts.labels,function(label) {
labelTasks[label] = labelTasks[label] || {
buildTasks: [],
deployTasks: []
};
labelTasks[label].buildTasks.push(self.genTaskName('build',i));
labelTasks[label].deployTasks.push(self.genTaskName('deploy',i));
});
});
// Find all particle modules and init
gulp.task(self.genTaskName('particle-modules:load'), function() {
return gulp.src(['**/package.json'])
.pipe(through.obj(function(file,enc,cb) {
var packageJson = JSON.parse(file.contents);
if (_.includes(packageJson.keywords,'condensation-particles')) {
this.push(file);
}
cb();
}))
.pipe(through.obj(function(file,enc,cb) {
var filePath = path.parse(file.path);
var condensationJs;
try {
condensationJs = require(filePath.dir+'/condensation');
}
catch(e) {
//do nothing
}
if (condensationJs) {
condensationJs.initialize(cb);
}
else {
cb();
}
}))
;
});
// Remove all files from 'dist'
gulp.task(self.genTaskName('clean'), function (cb) {
rimraf(options.dist, cb);
});
// Remove errors directory
gulp.task(self.genTaskName('clean:errors'), function (cb) {
rimraf('condensation_errors', cb);
});
// List s3 buckets and their ID
gulp.task(self.genTaskName('s3','list'), function(cb) {
_.each(s3config, function(s3opts,i) {
gutil.log(i + ": " + s3opts.aws.bucket);
});
cb();
});
// Tasks to launch other tasks
gulp.task(self.genTaskName('build'),buildTasks);
gulp.task(self.genTaskName('deploy'), deployTasks);
gulp.task(self.genTaskName('default'),[self.genTaskName('build')]);
_.each(_.toPairs(labelTasks),function(kv) {
gulp.task(self.genTaskName('build',kv[0]),kv[1].buildTasks);
gulp.task(self.genTaskName('deploy',kv[0]),kv[1].deployTasks);
});
};
module.exports = Condensation;