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cordova-common.js
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README.md

Build status Build Status NPM

cordova-common

Exposes shared functionality used by cordova-lib and Cordova platforms.

Exposed APIs

events

Represents special instance of NodeJS EventEmitter which is intended to be used to post events to cordova-lib and cordova-cli

Usage:

var events = require('cordova-common').events;
events.emit('warn', 'Some warning message')

There are the following events supported by cordova-cli: verbose, log, info, warn, error.

CordovaError

An error class used by Cordova to throw cordova-specific errors. The CordovaError class is inherited from Error, so CordovaError instances is also valid Error instances (instanceof check succeeds).

Usage:

var CordovaError = require('cordova-common').CordovaError;
throw new CordovaError('Some error message', SOME_ERR_CODE);

See CordovaError for supported error codes.

ConfigParser

Exposes functionality to deal with cordova project config.xml files. For ConfigParser API reference check ConfigParser Readme.

Usage:

var ConfigParser = require('cordova-common').ConfigParser;
var appConfig = new ConfigParser('path/to/cordova-app/config.xml');
console.log(appconfig.name() + ':' + appConfig.version());

PluginInfoProvider and PluginInfo

PluginInfo is a wrapper for cordova plugins' plugin.xml files. This class may be instantiated directly or via PluginInfoProvider. The difference is that PluginInfoProvider caches PluginInfo instances based on plugin source directory.

Usage:

var PluginInfo: require('cordova-common').PluginInfo;
var PluginInfoProvider: require('cordova-common').PluginInfoProvider;

// The following instances are equal
var plugin1 = new PluginInfo('path/to/plugin_directory');
var plugin2 = new PluginInfoProvider().get('path/to/plugin_directory');

console.log('The plugin ' + plugin1.id + ' has version ' + plugin1.version)

ActionStack

Utility module for dealing with sequential tasks. Provides a set of tasks that are needed to be done and reverts all tasks that are already completed if one of those tasks fail to complete. Used internally by cordova-lib and platform's plugin installation routines.

Usage:

var ActionStack = require('cordova-common').ActionStack;
var stack = new ActionStack()

var action1 = stack.createAction(task1, [<task parameters>], task1_reverter, [<reverter_parameters>]);
var action2 = stack.createAction(task2, [<task parameters>], task2_reverter, [<reverter_parameters>]);

stack.push(action1);
stack.push(action2);

stack.process()
.then(function() {
    // all actions succeded
})
.catch(function(error){
    // One of actions failed with error
})

superspawn

Module for spawning child processes with some advanced logic.

Usage:

var superspawn = require('cordova-common').superspawn;
superspawn.spawn('adb', ['devices'])
.progress(function(data){
    if (data.stderr)
        console.error('"adb devices" raised an error: ' + data.stderr);
})
.then(function(devices){
    // Do something...
})

xmlHelpers

A set of utility methods for dealing with XML files.

Usage:

var xml = require('cordova-common').xmlHelpers;

var xmlDoc1 = xml.parseElementtreeSync('some/xml/file');
var xmlDoc2 = xml.parseElementtreeSync('another/xml/file');

xml.mergeXml(doc1, doc2); // doc2 now contains all the nodes from doc1

Other APIs

The APIs listed below are also exposed but are intended to be only used internally by cordova plugin installation routines.

PlatformJson
ConfigChanges
ConfigKeeper
ConfigFile
mungeUtil

Setup

  • Clone this repository onto your local machine git clone https://github.com/apache/cordova-common.git
  • Navigate to cordova-common directory, install dependencies and npm-link cd cordova-common && npm install && npm link
  • Navigate to cordova-lib directory and link cordova-common cd <cordova-lib directory> && npm link cordova-common && npm install
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