background.js

/* existing to relay messages from content script to devtools */
var connections = {};

// Receive message from content script and relay to the devTools page for the
// current tab

chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
    /*
    console.log('incoming message from injected script');
    console.log(request);
     console.log(sender);
     */
    
    // Messages from content scripts should have sender.tab set
    if(request.eventType == "inject-opal-console-hooks") {
        // var result = chrome.tabs.executeScript(sender.tab.id, {file: 'chrome-injection.js'})
        chrome.runtime.sendMessage({name: 'trying to initialize'});
        window.postMessage( {name: 'window shit'}, "*");
        console.log('injecting opal console hooks');
    }
    if (sender.tab) {
        var tabId = sender.tab.id;
        if (tabId in connections) {
            connections[tabId].postMessage(request);
        } else {
            console.log("Tab not found in connection list.");
        }
    } else {
        console.log("sender.tab not defined.");
    }
    return true;
});

chrome.runtime.onConnect.addListener(function(port) {
    // Listen to messages sent from the DevTools page
    port.onMessage.addListener(function(request) {
        /*
        console.log('incoming message from dev tools page');
        console.log(request);
         */
        // Register initial connection
        if (request.name == 'init') {
            connections[request.tabId] = port;

            port.onDisconnect.addListener(function() {
                delete connections[request.tabId];
            });

            return;
        }
    });

});