85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
var child_process = require('child_process');
|
|
|
|
function escapeArg(s) {
|
|
if (s === '') {
|
|
return "''";
|
|
}
|
|
if (/[^A-Za-z0-9_\/:=-]/.test(s)) {
|
|
s = "'"+s.replace(/'/g,"'\\''")+"'";
|
|
s = s.replace(/^(?:'')+/g, '') // unduplicate single-quote at the beginning
|
|
.replace(/\\'''/g, "\\'" ); // remove non-escaped single-quote if there are enclosed between 2 escaped
|
|
}
|
|
return s;
|
|
}
|
|
|
|
function argsFromKeyVal(key, val, opts) {
|
|
opts = opts || {};
|
|
var prefix = '--';
|
|
if (key.length === 1) {
|
|
prefix = '-';
|
|
}
|
|
|
|
if ((val === true) || (val == null)) {
|
|
return prefix + key;
|
|
} else if (val === false) {
|
|
return [prefix + 'no' + key];
|
|
} else if (Array.isArray(val)) {
|
|
var a = [];
|
|
for (var j = 0; j < val.length; j++) {
|
|
a = a.concat(argsFromKeyVal(key, val[j], opts));
|
|
}
|
|
return a;
|
|
} else {
|
|
if ((key.length === 1) || opts.spaceForLongArgs) {
|
|
return [prefix + key, val];
|
|
} else {
|
|
return [prefix + key + '=' + escapeArg(val)];
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function argsListFromObject(args, opts) {
|
|
if (!args) {
|
|
return [];
|
|
}
|
|
if (Array.isArray(args)) {
|
|
return argsListFromObject({_:args});
|
|
}
|
|
var a = [];
|
|
var keys = Object.keys(args);
|
|
for (var i = 0; i < keys.length; i++) {
|
|
var key = keys[i];
|
|
if (key[0] === '_') {
|
|
continue;
|
|
}
|
|
var val = args[key];
|
|
a = a.concat(argsFromKeyVal(key, val, opts));
|
|
}
|
|
|
|
if (args._) {
|
|
for (var i = 0; i < args._.length; i++) {
|
|
// Don't escape here since `execFile` will escape the args for us
|
|
a.push('' + args._[i]);
|
|
}
|
|
}
|
|
return a;
|
|
}
|
|
|
|
function execAsync(cmd, args, opts) {
|
|
return new Promise(function (fulfill, reject) {
|
|
child_process.execFile(cmd, argsListFromObject(args, opts), opts, function (err, result) {
|
|
if (err) {
|
|
reject(err);
|
|
} else {
|
|
fulfill(result);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
module.exports = execAsync;
|
|
module.exports.argsListFromObject = argsListFromObject;
|
|
module.exports.argsFromKeyVal = argsFromKeyVal;
|
|
module.exports.escapeArg = escapeArg;
|