function flush(callback) {
// Perform the transformation
var parsed,
transformed,
dictionary = util.merge(that.dict, process.env);
try {
parsed = JSON.parse(buffer.toString());
}
catch(e) {
// Return with an error callback
return callback(e);
}
transformed = util.mapNested(parsed, function(val) {
return util.substitute(val, dictionary);
});
this.push(JSON.stringify(transformed)); // jshint ignore:line
callback();
}
/**
* Pass a configuration to configify. Returns a new instance of
* configify, leaving the existing instance intact.
*
* Currently the only option to configure is the dictionary to use
* for value substitutions that overrides environment variables.
*
* @alias module:browserify-configify.configure
* @example
* ```js
* var options = {
* dict: { HOME: '/home/configify' }
* };
* var configured = configify.configure(options);
*
* b.transform(configured);
* ```
* @param {Object} opts The configuration object to pass.
* @return {Function} A new instance of configify, with the given options
*/
function configure(opts) {
// Rebind the configy for new options
var options = util.merge(opts, defaults);
return configify.bind(options);
}