64 lines
1.9 KiB
CoffeeScript
64 lines
1.9 KiB
CoffeeScript
asar = process.atomBinding 'asar'
|
|
fs = require 'fs'
|
|
path = require 'path'
|
|
|
|
# Separate asar package's path from full path.
|
|
splitPath = (p) ->
|
|
components = p.split path.sep
|
|
for c, i in components by -1
|
|
if path.extname(c) is '.asar'
|
|
asarPath = components.slice(0, i + 1).join path.sep
|
|
filePath = components.slice(i + 1).join path.sep
|
|
return [true, asarPath, filePath]
|
|
return [false, p]
|
|
|
|
# Convert asar archive's Stats object to fs's Stats object.
|
|
asarStatsToFsStats = (stats) ->
|
|
{
|
|
size: stats.size
|
|
isFile: -> stats.isFile
|
|
isDirectory: -> stats.isDirectory
|
|
isSymbolicLink: -> stats.isLink
|
|
isBlockDevice: -> false
|
|
isCharacterDevice: -> false
|
|
isFIFO: -> false
|
|
isSocket: -> false
|
|
}
|
|
|
|
# Override fs APIs.
|
|
statSync = fs.statSync
|
|
fs.statSync = (p) ->
|
|
[isAsar, asarPath, filePath] = splitPath p
|
|
return statSync p unless isAsar
|
|
|
|
archive = asar.createArchive asarPath
|
|
throw new Error("Invalid package #{asarPath}") unless archive
|
|
|
|
stats = archive.stat filePath
|
|
throw new Error("#{filePath} not found in #{asarPath}") unless stats
|
|
|
|
asarStatsToFsStats stats
|
|
|
|
stat = fs.stat
|
|
fs.stat = (p, callback) ->
|
|
[isAsar, asarPath, filePath] = splitPath p
|
|
return stat p, callback unless isAsar
|
|
|
|
archive = asar.createArchive asarPath
|
|
return callback throw new Error("Invalid package #{asarPath}") unless archive
|
|
|
|
stats = asar.createArchive(asarPath).stat filePath
|
|
return callback new Error("#{filePath} not found in #{asarPath}") unless stats
|
|
|
|
callback undefined, asarStatsToFsStats stats
|
|
|
|
statSyncNoException = fs.statSyncNoException
|
|
fs.statSyncNoException = (p) ->
|
|
[isAsar, asarPath, filePath] = splitPath p
|
|
return statSyncNoException p unless isAsar
|
|
|
|
archive = asar.createArchive asarPath
|
|
return false unless archive
|
|
stats = asar.createArchive(asarPath).stat filePath
|
|
return false unless stats
|
|
asarStatsToFsStats stats
|