jsbin/lib/helpers.js
2014-04-13 10:11:39 +01:00

115 lines
3.1 KiB
JavaScript

'use strict';
// A collection of useful methods that are essentially utils but are
// specific to the application and require access to the app object.
var config = require('./config');
var undefsafe = require('undefsafe');
module.exports.createHelpers = function createHelpers(app) {
return {
// Proxied access to the Application#set() method.
set: app.set.bind(app),
// Proxied access to the Application#render() method.
render: app.render.bind(app),
// Check to see if the app is in production.
production: app.get('env') === app.PRODUCTION,
// Pre-set the URL used for the runner
runner: app.set('url runner') + '/runner',
// Renders the analytics snippet. Accepts a callback that recieves
// and error and html object.
analytics: function (render, fn) {
if (typeof render === 'function') {
fn = render;
render = false;
}
// separate the tracking of the application over rendered pages
if (render) {
app.render('analytics-render', {id: app.get('analytics render-id')}, fn);
} else {
app.render('analytics', {id: app.get('analytics id')}, fn);
}
},
// Generates a url for the path provided including prefix. If the second
// full parameter is provided then a full url including domain and
// protocol will be returned.
url: function (path, full, secure) {
var root = '';
if (full) {
root = app.set('url full');
} else {
root = app.set('url prefix');
}
// Remove preceding slash if one exists.
if (path && path[0] === '/') {
path = path.slice(1);
}
if (secure) {
root = undefsafe(config, 'url.ssl.host') || undefsafe(config, 'url.host');
root = 'https://' + root;
}
return path ? root + '/' + path : root;
},
// matches the format used in the client side code (jsbin.js)
jsbinURL: function (bin) {
var url = app.set('url full');
if (bin.url) {
url += '/' + bin.url;
if (bin.revision && bin.revision !== 1) {
url += '/' + bin.revision;
}
}
return url;
},
// Same as helper.url() but creates a url for the bin object provided.
urlForBin: function (bin, full) {
var url = [];
if (bin.url) {
url.push(bin.url);
if (bin.revision) {
url.push(bin.revision);
}
}
return this.url(url.join('/'), full);
},
// Same as helper.urlForBin() but returns an url for the edit page.
editUrlForBin: function (bin, full) {
return this.urlForBin(bin, full) + '/edit';
},
// Returns a url for a static resource.
urlForStatic: function (path, secure) {
var root = app.get('static url').replace(/.*:\/\//, '');
var proto = 'http';
if (path && path[0] === '/') {
path = path.slice(1);
}
if (secure) {
root = undefsafe(config, 'url.ssl.static') || undefsafe(config, 'url.static') || undefsafe(config, 'url.host');
proto = 'https';
}
return path ? proto + '://' + root + '/' + (path || '') : proto + '://' + root;
}
};
};