This is a gist to showcase how to have client affinity modules that are required by common affinity modules without breaking the app when trying to use the common affinity modules on the server side.
npm install
node app.js
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December 20, 2015 23:39
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requiring optional client side dependencies on common dependencies
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| /*jslint node:true, nomen: true*/ | |
| 'use strict'; | |
| var express = require('express'), | |
| expyui = require('express-yui'), | |
| Locator = require('locator'), | |
| LocatorHandlebars = require('locator-handlebars'), | |
| app = express(); | |
| expyui.augment(app); // becoming .extend() soon | |
| app.set('view', app.yui.view()); | |
| // serving static yui modules | |
| app.use(expyui['static']()); | |
| // creating a page with YUI embeded | |
| app.get('/', expyui.expose(), function (req, res, next) { | |
| // requiring `bar` which works on server and client | |
| req.app.yui.use('bar'); | |
| // rendering the page after getting `bar` ready | |
| res.render('demo'); | |
| }); | |
| // locator initialiation | |
| new Locator({ | |
| buildDirectory: 'build' | |
| }) | |
| .plug(LocatorHandlebars.yui()) | |
| .plug(app.yui.plugin({ | |
| registerGroup: true, | |
| registerServerModules: true | |
| })) | |
| .parseBundle(__dirname, {}).then(function (have) { | |
| // listening for traffic only after locator finishes the walking process | |
| app.listen(3000, function () { | |
| console.log("Server listening on port 3000"); | |
| }); | |
| }, function (e) { | |
| console.log(e); | |
| console.log(e.stack); | |
| }); |
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| YUI.add('bar', function (Y, NAME) { | |
| console.log(NAME); | |
| }, '0.1', { | |
| "requires": ["io-base"] | |
| }); |
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| YUI.add('foo', function (Y, NAME) { | |
| console.log(NAME); | |
| // this module is inserted right before "bar" (the trigger) is attached, but only on the client side | |
| }, '0.1', { | |
| "affinity": "client", | |
| "requires": ["node"], | |
| "condition": { | |
| "name": "foo", | |
| "trigger": "bar", | |
| "when": "before" | |
| } | |
| }); |
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| { | |
| "name": "demo", | |
| "description": "Overruling YUI.", | |
| "version": "0.0.1", | |
| "private": true, | |
| "main": "app.js", | |
| "dependencies": { | |
| "express": "*", | |
| "express-yui": "*", | |
| "locator": "~0.3.0", | |
| "locator-handlebars": "*", | |
| "yui": "~3.11.0" | |
| } | |
| } |
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Hey Caridy, what happens if you have a second module -- call it
quux-- that also needsfoo? Wouldn't the module definition forfooalso need to listquuxin itstrigger?