Function _injectCss

apps/background/monkey.js:292–311

(tabId, allFrames, frameId, css, monkey)

};

const _injectCss = (tabId, allFrames, frameId, css, monkey) => {
    try {
        chrome.scripting.insertCSS({
            target: _buildTarget(tabId, allFrames, frameId),
            css
        }).catch((err) => {
            log({
                id: monkey && monkey.id, name: (monkey && monkey.mName) || '', level: 'error',
                msg: 'css inject failed: ' + ((err && err.message) || err),
                url: '(tab ' + tabId + ')', time: Date.now()
            });
        });
    } catch (e) {
        log({
            id: monkey && monkey.id, name: (monkey && monkey.mName) || '', level: 'error',
            msg: 'css inject failed: ' + ((e && e.message) || e),
            url: '(tab ' + tabId + ')', time: Date.now()
        });
    }
};

// MAIN world 没有 chrome.runtime，需要在 ISOLATED world 中常驻一个桥接监听器，
// 通过 window.postMessage 接收 MAIN world 抛出的日志，再转发到 background。