194 lines
6.9 KiB
Markdown
194 lines
6.9 KiB
Markdown
es5-ff-spa-loader
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=========
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A javascript library providing server defined loading of assets for a single page application.
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## Installation
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npm --save install es5-ff-spa-loader
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Then use the dist/es5-ff-spa-loader.min.js script inline in the index.
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## Features
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* Assets caching for offline use.
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* Assets hashing for fast syncing.
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* Assets types: js,css,cssData
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* Caching backends: localStorage,webSqlDB,sqllite,none
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* Server url question ui.
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* Loader error ui.
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* Build-in Cordova booting.
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* Build-in AngularJS booting.
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## Usage
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### Usage Multi Server (Minimal)
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FFSpaLoader.options.server.assets = '/api/path/to/spa/client/resources';
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FFSpaLoader.start();
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### Usage Single Server
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FFSpaLoader.options.server.url = 'http://myserver';
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FFSpaLoader.options.server.assets = '/api/path/to/spa/client/resources';
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FFSpaLoader.start();
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### Usage Angular
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FFSpaLoader.options.debug.enable = true;
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FFSpaLoader.options.boot.angular.modules.push('exampleUI');
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FFSpaLoader.options.server.url = 'http://myserver';
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FFSpaLoader.options.server.assets = '/api/path/to/spa/client/resources';
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FFSpaLoader.start(function() {
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console.log('FFExample.boot done');
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});
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## Assets format
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{
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"data": {
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"resources": [
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{
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"url": "/static/js/some-asset.js",
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"type": "js",
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"hash": -164319899
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},
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{
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"url": "/static/css/some-asset.css",
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"type": "css",
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"hash": 1391550981
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},
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{
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"url": "/static/css/more-asset-data.css",
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"type": "cssData",
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"hash": 1371811412
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},
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]
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}
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The hash key is required as only on hash change the resource will be downloaded again, so multiple small files makes updates faster.
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## Options
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The available FFSpaLoader.options.* values;
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* debug.enable = Enable debug output. (default: false)
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* debug.handler = Prints/log debug message. (default: console.log)
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* debug.prefix = Debug message prefix. (default: 'FFSpaLoader.')
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* error.handler = The error handler. (default: internal error handler ui)
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* error.title = The error title. (default: 'Loader ');
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* error.style = The error ui css style. (default: red border box)
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* boot.cordova.enable = Use deviceready event to boot when cordova is detected. (default: true)
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* boot.cordova.timeout = Boot after (if<0=no-)timeout when deviceready event is not received. (default: -1)
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* boot.cordova.flag = The window flag which is set when cordova is booted. (default: 'FFCordovaDevice')
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* boot.angular.enable = Auto bootstrap angular modules. (default: true)
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* boot.angular.modules = The angular modules to boot. (default: empty)
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* server.url = The server url like 'https://myhost', when null the user will get promted to input it. (default: null)
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* server.assets = The server path to the assets resources definition file, is required (default: null)
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* server.timeout = The timeout to download the server resources. (default: 4096)
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* server.flag = The window flag which is set when the server.url is know. (default: 'FFServerUrl')
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* server.header.request = An key value object with the request headers. (default: {'X-FFSpaLoader': 'sync'})
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* question.transport = The transport to prefix the server.url with. (default: 'http://')
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* question.title = The question ui title. (default: 'Server')
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* question.submit = The start button text. (default: 'Start')
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* question.text = The question ui text. (default: 'Please provide the server name;')
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* question.style = The question ui css style. (default: green border box)
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* question.validate.min.value = The minimal hostname length, false is disabled (default: 3)
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* question.validate.min.message = The error message (default: 'Server name is to short.')
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* question.validate.max.value = The maximal hostname length, false is disabled (default: 255)
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* question.validate.max.message =The error message (default: 'Server name is to long.')
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* question.validate.regex.value = The regex to validate the hostname, false is disabled. (default: '^([a-zA-Z0-9\.\:])*$')
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* question.validate.regex.message = The error message (default: 'Server name is invalid.')
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* cache.meta = The cache backend for the meta information(server.url+content), null is auto select,false is disable. (default: null)
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* cache.js = The cache backend for for js, null is auto select,false is disable. (default: null)
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* cache.css = The cache backend for for css, null is auto select,false is disable. (default: null)
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* cache.cssData = The cache backend for for cssData, null is auto select,false is disable. (default: null)
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## Factory
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The available FFSpaLoader.factory.* functions;
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* detect.localStorage() = Checks is localStorage is working.
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* detect.openDatabase() = Checks if openDatabase is defined.
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* detect.sqlitePlugin() = Checks if sqlitePlugin is defined.
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* detect.cordova() = Checks if cordova is defined.
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* detect.cordovaDevice() = Checks if cordovaDevive window flag is defined which will be set by the buildin cordova boot code.
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* cache.localStorage() = Creates an localStorage service.
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* cache.websql(opt) = Creates an websql service.
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## Cache Config
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Per default all cache type as in auto select mode which detect and used the following;
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* sqlitePlugin
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* openDatabase
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* localStorage
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* none
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More custom schemas are possible like; (todo: needs testing)
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FFSpaLoader.options.cache.meta = false;
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FFSpaLoader.options.cache.js = false;
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FFSpaLoader.options.cache.css = false;
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FFSpaLoader.options.cache.cssData = false;
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if (FFSpaLoader.factory.detect.localStorage()) {
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FFSpaLoader.options.cache.css = FFSpaLoader.factory.cache.localStorage();
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FFSpaLoader.options.cache.cssData = FFSpaLoader.factory.cache.localStorage();
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}
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FFSpaLoader.options.server.assets = '/api/path/to/spa/client/resources';
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FFSpaLoader.start();
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## Example Application
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There is a fully working nodejs example application in the example folder.
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## Tested Browsers
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* Chromium 46
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* Iceweasel 43
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* Opera 12 Presto
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* IE 11 Edge
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* Android 5 in Cordova
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## Todo
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* test in production
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* Server header check support
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* Add table+instance websql options so it can also be used in application code.
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* Move css to file ?
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* Add more tests
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* css: set tag.media = 'only you';
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* css: add media in resouces
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* Add in browser tests
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## Contributing
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In lieu of a formal styleguide, take care to maintain the existing coding style.
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Add unit tests for any new or changed functionality. Lint and test your code.
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## Release History
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### 0.1.0
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* Moved options.server.question to options.question
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* Added question.validate.[min|max|regex].value|message options.
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* Strip question value to hostname+port before use and validating.
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* Allow user upgrade to https in question input from default of transport option.
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* Added server request headers option.
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* Updated css of question and error ui.
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* Fixed cordova booting.
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### 0.0.4
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* Added auto cache clean code
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* Disable cordova timeout per default.
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* Remove unused mobileAgent detect.
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* Fixed cached resources injection order.
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### 0.0.3
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* Fixed example script path.
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* Fixed example size.
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* Initial release.
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