{"version":3,"file":"pubsub.min.js","sources":["https:\/\/inclusivemediatraining.eu\/lib\/amd\/src\/pubsub.js"],"sourcesContent":["\/\/ This file is part of Moodle - http:\/\/moodle.org\/\n\/\/\n\/\/ Moodle is free software: you can redistribute it and\/or modify\n\/\/ it under the terms of the GNU General Public License as published by\n\/\/ the Free Software Foundation, either version 3 of the License, or\n\/\/ (at your option) any later version.\n\/\/\n\/\/ Moodle is distributed in the hope that it will be useful,\n\/\/ but WITHOUT ANY WARRANTY; without even the implied warranty of\n\/\/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\/\/ GNU General Public License for more details.\n\/\/\n\/\/ You should have received a copy of the GNU General Public License\n\/\/ along with Moodle.  If not, see <http:\/\/www.gnu.org\/licenses\/>.\n\n\/**\n * A simple Javascript PubSub implementation.\n *\n * @module     core\/pubsub\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http:\/\/www.gnu.org\/copyleft\/gpl.html GNU GPL v3 or later\n *\/\nimport Pending from 'core\/pending';\n\nconst events = {};\n\n\/**\n * Subscribe to an event.\n *\n * @param {string} eventName The name of the event to subscribe to.\n * @param {function} callback The callback function to run when eventName occurs.\n *\/\nexport const subscribe = function(eventName, callback) {\n    events[eventName] = events[eventName] || [];\n    events[eventName].push(callback);\n};\n\n\/**\n * Unsubscribe from an event.\n *\n * @param {string} eventName The name of the event to unsubscribe from.\n * @param {function} callback The callback to unsubscribe.\n *\/\nexport const unsubscribe = function(eventName, callback) {\n    if (events[eventName]) {\n        for (var i = 0; i < events[eventName].length; i++) {\n            if (events[eventName][i] === callback) {\n                events[eventName].splice(i, 1);\n                break;\n            }\n        }\n    }\n};\n\n\/**\n * Publish an event to all subscribers.\n *\n * @param {string} eventName The name of the event to publish.\n * @param {any} data The data to provide to the subscribed callbacks.\n *\/\nexport const publish = function(eventName, data) {\n    const pendingPromise = new Pending(\"Publishing \" + eventName);\n    if (events[eventName]) {\n        events[eventName].forEach(function(callback) {\n            callback(data);\n        });\n    }\n    pendingPromise.resolve();\n};\n"],"names":["events","eventName","callback","push","i","length","splice","data","pendingPromise","Pending","forEach","resolve"],"mappings":";;;;;;;6LAwBMA,OAAS,sBAQU,SAASC,UAAWC,UACzCF,OAAOC,WAAaD,OAAOC,YAAc,GACzCD,OAAOC,WAAWE,KAAKD,gCASA,SAASD,UAAWC,aACvCF,OAAOC,eACF,IAAIG,EAAI,EAAGA,EAAIJ,OAAOC,WAAWI,OAAQD,OACtCJ,OAAOC,WAAWG,KAAOF,SAAU,CACnCF,OAAOC,WAAWK,OAAOF,EAAG,4BAarB,SAASH,UAAWM,YACjCC,eAAiB,IAAIC,iBAAQ,cAAgBR,WAC\/CD,OAAOC,YACPD,OAAOC,WAAWS,SAAQ,SAASR,UAC\/BA,SAASK,SAGjBC,eAAeG"}