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Guard background messaging and detect startup paths #290

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Guard background messaging and detect startup paths #290

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4 changes: 4 additions & 0 deletions background/detect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,10 @@ md.detect = ({storage: {state}, inject}) => {
}

var detect = (content, url) => {
if (!url || !state.origins) {
return
}

var location = new URL(url)

var origin =
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14 changes: 13 additions & 1 deletion background/messages.js
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Expand Up @@ -165,7 +165,19 @@ md.messages = ({storage: {defaults, state, set}, compilers, mathjax, xhr, webreq

function notifyContent (req, res) {
chrome.tabs.query({active: true, currentWindow: true}, (tabs) => {
chrome.tabs.sendMessage(tabs[0].id, req, res)
if (!tabs.length) {
res && res()
return
}

chrome.tabs.sendMessage(tabs[0].id, req, (response) => {
if (chrome.runtime.lastError) {
res && res()
return
}

res && res(response)
})
})
}
}