first pass at standardizing; suite still passing!

This commit is contained in:
Zeke Sikelianos 2016-03-24 13:15:04 -07:00 committed by Kevin Sawicki
parent f25c3d33b6
commit 4794385fac
30 changed files with 1454 additions and 1462 deletions

View file

@ -1,98 +1,95 @@
const fs = require('fs');
const path = require('path');
const spawn = require('child_process').spawn;
const fs = require('fs')
const path = require('path')
const spawn = require('child_process').spawn
// i.e. my-app/app-0.1.13/
const appFolder = path.dirname(process.execPath);
const appFolder = path.dirname(process.execPath)
// i.e. my-app/Update.exe
const updateExe = path.resolve(appFolder, '..', 'Update.exe');
const updateExe = path.resolve(appFolder, '..', 'Update.exe')
const exeName = path.basename(process.execPath);
const exeName = path.basename(process.execPath)
// Spawn a command and invoke the callback when it completes with an error
// and the output from standard out.
var spawnUpdate = function(args, detached, callback) {
var error, errorEmitted, spawnedProcess, stderr, stdout;
var spawnUpdate = function (args, detached, callback) {
var error, errorEmitted, spawnedProcess, stderr, stdout
try {
spawnedProcess = spawn(updateExe, args, {
detached: detached
});
})
} catch (error1) {
error = error1;
error = error1
// Shouldn't happen, but still guard it.
process.nextTick(function() {
return callback(error);
});
return;
process.nextTick(function () {
return callback(error)
})
return
}
stdout = '';
stderr = '';
spawnedProcess.stdout.on('data', function(data) {
return stdout += data;
});
spawnedProcess.stderr.on('data', function(data) {
return stderr += data;
});
errorEmitted = false;
spawnedProcess.on('error', function(error) {
errorEmitted = true;
return callback(error);
});
return spawnedProcess.on('exit', function(code, signal) {
stdout = ''
stderr = ''
spawnedProcess.stdout.on('data', function (data) {
return stdout += data
})
spawnedProcess.stderr.on('data', function (data) {
return stderr += data
})
errorEmitted = false
spawnedProcess.on('error', function (error) {
errorEmitted = true
return callback(error)
})
return spawnedProcess.on('exit', function (code, signal) {
// We may have already emitted an error.
if (errorEmitted) {
return;
return
}
// Process terminated with error.
if (code !== 0) {
return callback("Command failed: " + (signal != null ? signal : code) + "\n" + stderr);
return callback('Command failed: ' + (signal != null ? signal : code) + '\n' + stderr)
}
// Success.
return callback(null, stdout);
});
};
return callback(null, stdout)
})
}
// Start an instance of the installed app.
exports.processStart = function() {
return spawnUpdate(['--processStart', exeName], true, function() {});
};
exports.processStart = function () {
return spawnUpdate(['--processStart', exeName], true, function () {})
}
// Download the releases specified by the URL and write new results to stdout.
exports.download = function(updateURL, callback) {
return spawnUpdate(['--download', updateURL], false, function(error, stdout) {
var json, ref, ref1, update;
exports.download = function (updateURL, callback) {
return spawnUpdate(['--download', updateURL], false, function (error, stdout) {
var json, ref, ref1, update
if (error != null) {
return callback(error);
return callback(error)
}
try {
// Last line of output is the JSON details about the releases
json = stdout.trim().split('\n').pop();
update = (ref = JSON.parse(json)) != null ? (ref1 = ref.releasesToApply) != null ? typeof ref1.pop === "function" ? ref1.pop() : void 0 : void 0 : void 0;
json = stdout.trim().split('\n').pop()
update = (ref = JSON.parse(json)) != null ? (ref1 = ref.releasesToApply) != null ? typeof ref1.pop === 'function' ? ref1.pop() : void 0 : void 0 : void 0
} catch (jsonError) {
return callback("Invalid result:\n" + stdout);
return callback('Invalid result:\n' + stdout)
}
return callback(null, update);
});
};
return callback(null, update)
})
}
// Update the application to the latest remote version specified by URL.
exports.update = function(updateURL, callback) {
return spawnUpdate(['--update', updateURL], false, callback);
};
exports.update = function (updateURL, callback) {
return spawnUpdate(['--update', updateURL], false, callback)
}
// Is the Update.exe installed with the current application?
exports.supported = function() {
exports.supported = function () {
try {
fs.accessSync(updateExe, fs.R_OK);
return true;
fs.accessSync(updateExe, fs.R_OK)
return true
} catch (error) {
return false;
return false
}
};
}