SharePoint REST script library for obtaining common paths in client-side SharePoint 2013 development.

spAppUtils.js

(function() {
  var module = {
    getAppAbsoluteUrl: getAppAbsoluteUrl,
    getAppRelativeUrl: getAppRelativeUrl,
    getAppODataApiUrl: getAppODataApiUrl
  };
  return module;

  function getAppAbsoluteUrl() {
    return _spPageContextInfo.webAbsoluteUrl;
  };

  function getAppRelativeUrl() {
    return _spPageContextInfo.webServerRelativeUrl;
  };

  function getAppODataApiUrl() {
    return getAppAbsoluteUrl() + "/_api";
  };
});

NotifyScriptLoadedAndExecuteWaitingJobs("spAppUtils.js");