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generator.js
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generator.js
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'use strict';
var isValid = require('is-valid-app');
module.exports = function(app) {
if (!isValid(app, 'generate-generator')) return;
app.option('layout', false);
/**
* Plugin
*/
app.use(require('generate-project'));
app.use(require('generate-git'));
/**
* Scaffold out a [generate][] generator project. Alias for the [generator](#generator)
* task, to allow running the generator with the following command:
*
* ```sh
* $ gen generator
* ```
* @name generator:default
* @api public
*/
app.task('default', ['generator']);
app.task('generator', ['prompt-data', 'test', 'dotfiles', 'main', 'rootfiles']);
/**
* Scaffold out a minimal [Generate][] generator project.
*
* ```sh
* $ gen generator:min
* # or
* $ gen generator:minimal
* ```
* @name generator:minimal
* @api public
*/
app.task('min', ['minimal']);
app.task('minimal', [
'prompt-data',
'gitignore-node',
'main',
'license-mit',
'package',
'readme'
]);
/**
* Scaffold out a project for a [Generate][] micro-generator.
*
* ```sh
* $ gen generator:micro
* ```
* @name generator:micro
* @api public
*/
app.task('micro', [
'prompt-data',
'test',
'dotfiles',
'main-micro',
'rootfiles',
'prompt-install',
'prompt-git'
]);
/**
* Write a `generator.js` file to the current working directory.
*
* ```sh
* $ gen generator:file
* ```
* @name generator:file
* @api public
*/
task(app, 'main', ['templates/generator.js', 'templates/index.js']);
/**
* Write the `generator.js` and `index.js` files for a micro-generator.
*
* ```sh
* $ gen generator:main-micro
* ```
* @name generator:main-micro
* @api public
*/
task(app, 'main-micro', ['templates/generator-micro.js', 'templates/index.js']);
/**
* Generate the LICENSE, package.json and README.md files for a generator project.
*
* ```sh
* $ gen generator:rootfiles
* ```
* @name generator:rootfiles
* @api public
*/
app.task('rootfiles', [
'license-mit',
'package',
'readme'
]);
/**
* Write a `test.js` file to the current working directory, with unit tests for
* a [generate][] generator.
*
* ```sh
* $ gen generator:test
* ```
* @name generator:test
* @api public
*/
task(app, 'test', ['templates/tests/test.js', 'templates/tests/plugin.js']);
task(app, 'test-basic', ['templates/tests/basic.js']);
/**
* Generate files in the generator's `templates` directory.
*
* ```sh
* $ gen generator:templates
* ```
* @name generator:templates
* @api public
*/
task(app, 'templates', 'templates/templates/*.*');
/**
* Initiates a prompt to ask if you'd like to initialize a git repository with first commit.
*
* ```sh
* $ gen generator:prompt-git
* ```
* @name generator:prompt-git
* @api public
*/
app.task('prompt-git', function(cb) {
if (app.options.git === false) return cb();
app.confirm('git', 'Want to initialize a git repository with first commit?');
app.ask('git', function(err, answers) {
if (err) {
cb(err);
return;
}
if (answers.git) {
app.build('first-commit', cb);
} else {
cb();
}
});
});
/**
* Middleware for updating the context
*/
app.preRender(/package\.json$/, function(file, next) {
app.cache.answers = app.cache.answers || {};
var desc = (app.cache.answers.description || '').replace(/[.\s]+$/, '');
app.cache.answers.description = desc + `. Use from the command line when Generate's CLI is installed globally, or use as a plugin or sub-generator in your own generator.`
next();
});
/**
* Don't ask the same questions more than once
*/
app.task('prompt-data', ['prompt'], function(cb) {
app.option('askWhen', 'not-answered');
cb();
});
};
/**
* Create a task with the given `name` and glob `pattern`
*/
function task(app, name, patterns) {
app.task(name, function() {
return file(app, patterns);
});
}
function file(app, patterns) {
return app.src(patterns, {cwd: __dirname})
.pipe(app.renderFile('*', {layout: null})).on('error', console.log)
.pipe(app.conflicts(app.cwd))
.pipe(app.dest(app.cwd));
}