electron/atom/common/lib/init.coffee
2015-11-12 17:02:04 +08:00

36 lines
1.5 KiB
CoffeeScript

fs = require 'fs'
path = require 'path'
timers = require 'timers'
Module = require 'module'
process.atomBinding = (name) ->
try
process.binding "atom_#{process.type}_#{name}"
catch e
process.binding "atom_common_#{name}" if /No such module/.test e.message
unless process.env.ELECTRON_DISABLE_OLD_STYLE_MODULES
# Add common/api/lib to module search paths.
Module.globalPaths.push path.resolve(__dirname, '..', 'api', 'lib')
# setImmediate and process.nextTick makes use of uv_check and uv_prepare to
# run the callbacks, however since we only run uv loop on requests, the
# callbacks wouldn't be called until something else activated the uv loop,
# which would delay the callbacks for arbitrary long time. So we should
# initiatively activate the uv loop once setImmediate and process.nextTick is
# called.
wrapWithActivateUvLoop = (func) ->
->
process.activateUvLoop()
func.apply this, arguments
process.nextTick = wrapWithActivateUvLoop process.nextTick
global.setImmediate = wrapWithActivateUvLoop timers.setImmediate
global.clearImmediate = timers.clearImmediate
if process.type is 'browser'
# setTimeout needs to update the polling timeout of the event loop, when
# called under Chromium's event loop the node's event loop won't get a chance
# to update the timeout, so we have to force the node's event loop to
# recalculate the timeout in browser process.
global.setTimeout = wrapWithActivateUvLoop timers.setTimeout
global.setInterval = wrapWithActivateUvLoop timers.setInterval