Function injectContentScriptsOnInstall

background.js:25–69

()

// Function to dynamically inject content scripts into existing tabs
async function injectContentScriptsOnInstall() {
    try {
        const manifest = chrome.runtime.getManifest();
        const contentScripts = manifest.content_scripts;

        if (!contentScripts) return;

        for (const script of contentScripts) {
            const matches = script.matches;

            // Query tabs that match these URLs
            const tabs = await chrome.tabs.query({ url: matches });

            for (const tab of tabs) {
                // Ignore empty or restricted URLs
                if (!tab.url || tab.url.startsWith('chrome://') || tab.url.startsWith('edge://')) {
                    continue;
                }

                try {
                    // Inject CSS
                    if (script.css && script.css.length > 0) {
                        await chrome.scripting.insertCSS({
                            target: { tabId: tab.id },
                            files: script.css
                        });
                    }

                    // Inject JS
                    if (script.js && script.js.length > 0) {
                        await chrome.scripting.executeScript({
                            target: { tabId: tab.id },
                            files: script.js
                        });
                    }
                    console.log(`Successfully injected content scripts into tab ${tab.id} (${tab.url})`);
                } catch (err) {
                    console.error(`Failed to inject into tab ${tab.id} (${tab.url}):`, err);
                }
            }
        }
    } catch (e) {
        console.error('Error during content script injection:', e);
    }
}


// Listen for messages from content scripts