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84 lines
2.1 KiB
84 lines
2.1 KiB
/**
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* Archiver Vending
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*
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* @ignore
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* @license [MIT]{@link https://github.com/archiverjs/node-archiver/blob/master/LICENSE}
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* @copyright (c) 2012-2014 Chris Talkington, contributors.
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*/
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var Archiver = require('./lib/core');
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var formats = {};
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/**
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* Dispenses a new Archiver instance.
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*
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* @constructor
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* @param {String} format The archive format to use.
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* @param {Object} options See [Archiver]{@link Archiver}
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* @return {Archiver}
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*/
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var vending = function(format, options) {
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return vending.create(format, options);
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};
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/**
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* Creates a new Archiver instance.
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*
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* @param {String} format The archive format to use.
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* @param {Object} options See [Archiver]{@link Archiver}
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* @return {Archiver}
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*/
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vending.create = function(format, options) {
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if (formats[format]) {
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var instance = new Archiver(format, options);
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instance.setFormat(format);
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instance.setModule(new formats[format](options));
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return instance;
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} else {
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throw new Error('create(' + format + '): format not registered');
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}
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};
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/**
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* Registers a format for use with archiver.
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*
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* @param {String} format The name of the format.
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* @param {Function} module The function for archiver to interact with.
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* @return void
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*/
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vending.registerFormat = function(format, module) {
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if (formats[format]) {
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throw new Error('register(' + format + '): format already registered');
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}
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if (typeof module !== 'function') {
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throw new Error('register(' + format + '): format module invalid');
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}
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if (typeof module.prototype.append !== 'function' || typeof module.prototype.finalize !== 'function') {
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throw new Error('register(' + format + '): format module missing methods');
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}
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formats[format] = module;
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};
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/**
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* Check if the format is already registered.
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*
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* @param {String} format the name of the format.
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* @return boolean
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*/
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vending.isRegisteredFormat = function (format) {
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if (formats[format]) {
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return true;
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}
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return false;
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};
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vending.registerFormat('zip', require('./lib/plugins/zip'));
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vending.registerFormat('tar', require('./lib/plugins/tar'));
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vending.registerFormat('json', require('./lib/plugins/json'));
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module.exports = vending; |