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index.js
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index.js
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/*!
* generate-scaffold (https://github.com/generate/generate-scaffold)
*
* Copyright (c) 2016, Jon Schlinkert.
* Licensed under the MIT License.
*/
'use strict';
var debug = require('debug')('generate:scaffold');
var utils = require('./utils');
module.exports = function fn(app) {
if (!utils.isValid(this, 'generate-scaffold')) return;
var self = this;
/**
* Register the `base-scaffold` plugin
*/
this.use(utils.scaffold(this.options));
this.use(utils.target({targetTasks: false}));
/**
* Register the `base-files-each` plugin
*/
this.use(utils.each());
/**
* Decorate methods for generating files onto scaffolds
*/
this.use(function fn() {
if (!utils.isValid(this, 'generate-scaffold-tasks')) return;
var self = this;
this.on('scaffold', function(scaffold) {
decorate(self, scaffold);
if (typeof self.generate === 'function' && self.options.scaffoldTasks !== false) {
if (scaffold.name && !self.tasks.hasOwnProperty('default')) {
self.task('default', function(cb) {
self.generate(scaffold.name, cb);
});
}
var gen = scaffold.name ? self.generators[scaffold.name] : self;
if (typeof gen === 'undefined') {
gen = self.generator(scaffold.name, function() {});
}
var tasks = [];
scaffold.on('target', function(target) {
tasks.push(target.name);
gen.task(target.name, function(cb) {
target.generate(cb);
});
});
gen.task('default', {silent: true}, function(cb) {
gen.generate(tasks, cb);
});
}
});
return fn;
});
/**
* Decorate generating methods
*/
this.define({
/**
* Asynchronously generate files from a declarative [scaffold][] configuration.
*
* ```js
* var Scaffold = require('scaffold');
* var scaffold = new Scaffold({
* options: {cwd: 'source'},
* posts: {
* src: ['content/*.md']
* },
* pages: {
* src: ['templates/*.hbs']
* }
* });
*
* app.scaffoldSeries(scaffold, function(err) {
* if (err) console.log(err);
* });
* ```
* @name .scaffoldSeries
* @param {Object} `scaffold` Scaffold configuration object.
* @param {Function} `cb` Optional callback function. If not passed, `.scaffoldStream` will be called and a stream will be returned.
* @api public
*/
scaffoldSeries: function(config, options, cb) {
debug('scaffoldSeries', config);
if (typeof options === 'function') {
cb = options;
options = {};
}
if (typeof cb !== 'function') {
return this.scaffoldStream(config, options);
}
var scaffold = this.getScaffold(config, options);
this.run(scaffold);
this.emit('generate.scaffold', scaffold, options);
var targets = scaffold.targets;
var keys = Object.keys(targets);
utils.eachSeries(keys, function(key, next) {
var target = targets[key];
scaffold.run(target);
if (!target.files) {
next();
return;
}
this.emit('generate.target', target, options);
this.each(target, options, next);
}.bind(this), cb);
},
/**
* Generate files from a declarative [scaffold][] configuration.
*
* ```js
* var Scaffold = require('scaffold');
* var scaffold = new Scaffold({
* options: {cwd: 'source'},
* posts: {
* src: ['content/*.md']
* },
* pages: {
* src: ['templates/*.hbs']
* }
* });
*
* app.scaffoldStream(scaffold)
* .on('error', console.error)
* .on('end', function() {
* console.log('done!');
* });
* ```
* @name .scaffoldStream
* @param {Object} `config` [scaffold][] configuration object.
* @return {Stream} returns a stream with all processed files.
* @api public
*/
scaffoldStream: function(config, options, cb) {
debug('scaffoldStream', config);
var scaffold = this.getScaffold(config, options);
var streams = [];
this.run(scaffold);
this.emit('generate.scaffold', scaffold, options);
var targets = scaffold.targets;
for (var name in targets) {
if (targets.hasOwnProperty(name)) {
var target = targets[name];
scaffold.run(target);
if (target.files) {
this.emit('generate.target', target, options);
streams.push(this.eachStream(target, options));
}
}
}
var stream = utils.ms.apply(utils.ms, streams);
stream.on('finish', stream.emit.bind(stream, 'end'));
return stream;
}
});
return fn;
};
/**
* Decorate the given scaffold with "generate" methods
*/
function decorate(app, scaffold) {
if (!utils.isValid(scaffold, 'decorate-scaffold', ['scaffold'])) return;
if (typeof scaffold.generate === 'function') return;
scaffold.define('generate', function(options, cb) {
if (typeof options === 'function') {
cb = options;
options = {};
}
if (typeof cb === 'function') {
return this.generateSeries.apply(this, arguments);
}
return this.generateStream.apply(this, arguments);
});
scaffold.define('generateSeries', function(options, cb) {
var args = [].slice.call(arguments);
args.unshift(this);
return app.scaffoldSeries.apply(app, args);
});
scaffold.define('generateStream', function() {
var args = [].slice.call(arguments);
args.unshift(this);
return app.scaffoldStream.apply(app, args);
});
}