greenlock.js/plugins.js

156 lines
2.5 KiB
JavaScript

'use strict';
var P = module.exports;
var spawn = require('child_process').spawn;
var spawnSync = require('child_process').spawnSync;
// Exported for CLIs and such to override
P.PKG_DIR = __dirname;
P._load = function(modname) {
try {
return Promise.resolve(require(modname));
} catch (e) {
return P._install(modname).then(function() {
return require(modname);
});
}
};
P._loadSync = function(modname) {
var mod;
try {
mod = require(modname);
} catch (e) {
P._installSync(modname);
mod = require(modname);
}
return mod;
};
P._installSync = function(moduleName) {
var npm = 'npm';
var args = ['install', '--save', moduleName];
var out = '';
var cmd;
try {
cmd = spawnSync(npm, args, {
cwd: P.PKG_DIR,
windowsHide: true
});
} catch (e) {
console.error(
"Failed to start: '" +
npm +
' ' +
args.join(' ') +
"' in '" +
P.PKG_DIR +
"'"
);
console.error(e.message);
process.exit(1);
}
if (!cmd.status) {
return;
}
out += cmd.stdout.toString('utf8');
out += cmd.stderr.toString('utf8');
if (out) {
console.error(out);
console.error();
console.error();
}
console.error(
"Failed to run: '" +
npm +
' ' +
args.join(' ') +
"' in '" +
P.PKG_DIR +
"'"
);
console.error(
'Try for yourself:\n\tcd ' + P.PKG_DIR + '\n\tnpm ' + args.join(' ')
);
process.exit(1);
};
P._install = function(moduleName) {
return new Promise(function(resolve) {
if (!moduleName) {
throw new Error('no module name given');
}
var npm = 'npm';
var args = ['install', '--save', moduleName];
var out = '';
var cmd = spawn(npm, args, {
cwd: P.PKG_DIR,
windowsHide: true
});
cmd.stdout.on('data', function(chunk) {
out += chunk.toString('utf8');
});
cmd.stdout.on('data', function(chunk) {
out += chunk.toString('utf8');
});
cmd.on('error', function(e) {
console.error(
"Failed to start: '" +
npm +
' ' +
args.join(' ') +
"' in '" +
P.PKG_DIR +
"'"
);
console.error(e.message);
process.exit(1);
});
cmd.on('exit', function(code) {
if (!code) {
resolve();
return;
}
if (out) {
console.error(out);
console.error();
console.error();
}
console.error(
"Failed to run: '" +
npm +
' ' +
args.join(' ') +
"' in '" +
P.PKG_DIR +
"'"
);
console.error(
'Try for yourself:\n\tcd ' +
P.PKG_DIR +
'\n\tnpm ' +
args.join(' ')
);
process.exit(1);
});
});
};
if (require.main === module) {
P._installSync(process.argv[2]);
}