4chan-x/src/meta/eventPage.coffee

29 lines
966 B
CoffeeScript

requestID = 0
chrome.runtime.onMessage.addListener (request, sender, sendResponse) ->
id = requestID
requestID++
sendResponse id
xhr = new XMLHttpRequest()
xhr.open 'GET', request.url, true
xhr.responseType = request.responseType
xhr.addEventListener 'load', ->
if @readyState is @DONE && xhr.status is 200
contentType = @getResponseHeader 'Content-Type'
contentDisposition = @getResponseHeader 'Content-Disposition'
{response} = @
if request.responseType is 'arraybuffer'
response = [new Uint8Array(response)...]
chrome.tabs.sendMessage sender.tab.id, {id, response, contentType, contentDisposition}
else
chrome.tabs.sendMessage sender.tab.id, {id, error: true}
, false
xhr.addEventListener 'error', ->
chrome.tabs.sendMessage sender.tab.id, {id, error: true}
, false
xhr.addEventListener 'abort', ->
chrome.tabs.sendMessage sender.tab.id, {id, error: true}
, false
xhr.send()