introduce PackageVersions module

put all package versions in one central place

services/web/Gruntfile.coffee

@@ -1,4 +1,6 @@
 fs = require "fs"
+PackageVersions = require "./app/coffee/infrastructure/PackageVersions"
+pdfjs = PackageVersions.lib('pdfjs')
 
 module.exports = (grunt) ->
 	grunt.loadNpmTasks 'grunt-contrib-coffee'
@@ -159,10 +161,10 @@ module.exports = (grunt) ->
 					paths:
 						"moment": "libs/moment-2.9.0"
 						"mathjax": "/js/libs/mathjax/MathJax.js?config=TeX-AMS_HTML"
-						"libs/pdf": "libs/pdfjs-1.3.91p1/pdf"
+						"libs/pdf": "libs/#{pdfjs}/pdf"
 					shim:
 						"libs/pdf":
-							deps: ["libs/pdfjs-1.3.91p1/compatibility"]
+							deps: ["libs/#{pdfjs}/compatibility"]
 
 					skipDirOptimize: true
 					modules: [

services/web/app/coffee/Features/Project/ProjectController.coffee

@@ -19,6 +19,7 @@ ProjectUpdateHandler = require("./ProjectUpdateHandler")
 ProjectGetter = require("./ProjectGetter")
 PrivilegeLevels = require("../Authorization/PrivilegeLevels")
 AuthenticationController = require("../Authentication/AuthenticationController")
+PackageVersions = require("../../infrastructure/PackageVersions")
 
 module.exports = ProjectController =
 
@@ -331,7 +332,7 @@ defaultSettingsForAnonymousUser = (user_id)->
 
 THEME_LIST = []
 do generateThemeList = () ->
-	files = fs.readdirSync __dirname + '/../../../../public/js/ace'
+	files = fs.readdirSync __dirname + '/../../../../public/js/' + PackageVersions.lib('ace')
 	for file in files
 		if file.slice(-2) == "js" and file.match(/^theme-/)
 			cleanName = file.slice(0,-3).slice(6)

services/web/app/coffee/infrastructure/ExpressLocals.coffee

@@ -10,17 +10,18 @@ _ = require("underscore")
 async = require("async")
 Modules = require "./Modules"
 Url = require "url"
-
+PackageVersions = require "./PackageVersions"
 fingerprints = {}
 Path = require 'path'
 
-
 jsPath =
 	if Settings.useMinifiedJs
 		"/minjs/"
 	else
 		"/js/"
 
+ace = PackageVersions.lib('ace')
+pdfjs = PackageVersions.lib('pdfjs')
 
 getFileContent = (filePath)->
 	filePath = Path.join __dirname, "../../../", "public#{filePath}"
@@ -38,10 +39,10 @@ pathList = [
 	["#{jsPath}ide.js"]
 	["#{jsPath}main.js"]
 	["#{jsPath}libs.js"]
-	["#{jsPath}ace/ace.js","#{jsPath}ace/mode-latex.js", "#{jsPath}ace/snippets/latex.js"]
-	["#{jsPath}libs/pdfjs-1.3.91p1/pdf.js"]
-	["#{jsPath}libs/pdfjs-1.3.91p1/pdf.worker.js"]
-	["#{jsPath}libs/pdfjs-1.3.91p1/compatibility.js"]
+	["#{jsPath}#{ace}/ace.js","#{jsPath}#{ace}/mode-latex.js", "#{jsPath}#{ace}/snippets/latex.js"]
+	["#{jsPath}libs/#{pdfjs}/pdf.js"]
+	["#{jsPath}libs/#{pdfjs}/pdf.worker.js"]
+	["#{jsPath}libs/#{pdfjs}/compatibility.js"]
 	["/stylesheets/style.css"]
 ]
 
@@ -92,6 +93,7 @@ module.exports = (app, webRouter, apiRouter)->
 
 		res.locals.jsPath = jsPath
 		res.locals.fullJsPath = Url.resolve(staticFilesBase, jsPath)
+		res.locals.lib = PackageVersions.lib
 
 		res.locals.buildJsPath = (jsFile, opts = {})->
 			path = Path.join(jsPath, jsFile)

services/web/app/coffee/infrastructure/PackageVersions.coffee

@@ -0,0 +1,13 @@
+version = {
+	"pdfjs": "1.3.91p1"
+}
+
+module.exports = {
+	version: version
+
+	lib: (name) ->
+		if version[name]?
+			return "#{name}-#{version[name]}"
+		else
+			return "#{name}"
+}

services/web/app/views/project/editor.jade

@@ -102,13 +102,14 @@ block content
 			"paths" : {
 				"mathjax": "#{buildJsPath('/libs/mathjax/MathJax.js', {cdn:false, fingerprint:false, qs:{config:'TeX-AMS_HTML'}})}",
 				"moment": "libs/moment-2.7.0",
-				"libs/pdf": "libs/pdfjs-1.3.91p1/pdf",
+				"libs/pdf": "libs/#{lib('pdfjs')}/pdf",
+				"ace": "#{lib('ace')}"
 			},
 			"urlArgs" : "fingerprint=#{fingerprint(jsPath + 'ide.js')}-#{fingerprint(jsPath + 'libs.js')}",
 			"waitSeconds": 0,
 			"shim": {
 				"libs/pdf": {
-					deps: ["libs/pdfjs-1.3.91p1/compatibility"]
+					deps: ["libs/#{lib('pdfjs')}/compatibility"]
 				},
 				"ace/ext-searchbox": {
 					deps: ["ace/ace"]
@@ -123,14 +124,14 @@ block content
 				}
 			}
 		};
-		window.aceFingerprint = "#{fingerprint(jsPath + 'ace/ace.js')}"
+		window.aceFingerprint = "#{fingerprint(jsPath + lib('ace') + '/ace.js')}"
 
 	- locals.suppressDefaultJs = true
 
-	- var pdfPath = 'libs/pdfjs-1.3.91p1/pdf.worker.js'
+	- var pdfPath = "libs/" + lib('pdfjs') + "/pdf.worker.js"
 	- var fingerprintedPath = fingerprint(jsPath+pdfPath)
 	- var pdfJsWorkerPath = buildJsPath(pdfPath, {cdn:false,qs:{fingerprint:fingerprintedPath}}) // don't use worker for cdn
-	- var aceWorkerPath = user.betaProgram ? buildJsPath("ace", {cdn:false,fingerprint:false}) : "" // don't use worker for cdn
+	- var aceWorkerPath = user.betaProgram ? buildJsPath(lib('ace'), {cdn:false,fingerprint:false}) : "" // don't use worker for cdn
 
 	script(type='text/javascript').
 		window.pdfJsWorkerPath = "#{pdfJsWorkerPath}";
@@ -139,7 +140,7 @@ block content
 	script(
 		data-main=buildJsPath("ide.js", {fingerprint:false}),
 		baseurl=fullJsPath,
-		data-ace-base=buildJsPath('ace', {fingerprint:false}),
+		data-ace-base=buildJsPath(lib('ace'), {fingerprint:false}),
 		src=buildJsPath('libs/require.js')
 	)