diff options
Diffstat (limited to 'module/web/app/scripts/utils/lazyRequire.js')
| -rw-r--r-- | module/web/app/scripts/utils/lazyRequire.js | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/module/web/app/scripts/utils/lazyRequire.js b/module/web/app/scripts/utils/lazyRequire.js deleted file mode 100644 index 96c07aa24..000000000 --- a/module/web/app/scripts/utils/lazyRequire.js +++ /dev/null @@ -1,97 +0,0 @@ -// Define the module. -define( - [ - 'require', 'underscore' - ], - function( require, _ ){ - 'use strict'; - - - // Define the states of loading for a given set of modules - // within a require() statement. - var states = { - unloaded: 'UNLOADED', - loading: 'LOADING', - loaded: 'LOADED' - }; - - - // Define the top-level module container. Mostly, we're making - // the top-level container a non-Function so that users won't - // try to invoke this without calling the once() method below. - var lazyRequire = {}; - - - // I will return a new, unique instance of the requrieOnce() - // method. Each instance will only call the require() method - // once internally. - lazyRequire.once = function(){ - - // The modules start in an unloaded state before - // requireOnce() is invoked by the calling code. - var state = states.unloaded; - var args; - - var requireOnce = function(dependencies, loadCallback ){ - - // Use the module state to determine which method to - // invoke (or just to ignore the invocation). - if (state === states.loaded){ - loadCallback.apply(null, args); - - // The modules have not yet been requested - let's - // lazy load them. - } else if (state !== states.loading){ - - // We're about to load the modules asynchronously; - // flag the interim state. - state = states.loading; - - // Load the modules. - require( - dependencies, - function(){ - - args = arguments; - loadCallback.apply( null, args ); - state = states.loaded; - - - } - ); - - // RequireJS is currently loading the modules - // asynchronously, but they have not finished - // loading yet. - } else { - - // Simply ignore this call. - return; - - } - - }; - - // Return the new lazy loader. - return( requireOnce ); - - }; - - - // -------------------------------------------------- // - // -------------------------------------------------- // - - // Set up holder for underscore - var instances = {}; - _.requireOnce = function(dependencies, loadCallback) { - if (!_.has(instances, dependencies)) - instances[dependencies] = lazyRequire.once(); - - return instances[dependencies](dependencies, loadCallback); - }; - - - // Return the module definition. - return( lazyRequire ); - } -);
\ No newline at end of file |