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/*
* Copyright 2017 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
/* eslint require-jsdoc: "off" */
var fs = require('fs');
var debug = false;
function deleteDirectory(dir) {
var files = fs.readdirSync(dir);
for (var i in files) {
if (fs.existsSync(dir + '/' + files[i])) {
var name = dir + '/' + files[i];
if (fs.existsSync(name)) {
if (fs.statSync(name).isDirectory()) {
deleteDirectory(name);
fs.rmdirSync(name);
} else {
fs.unlinkSync(name);
}
}
}
}
}
function copyFile(source, target, hdl) {
if (debug)
console.log('copyFile', source, target);
var wasHandlerCalled = false;
var rd = fs.createReadStream(source);
rd.on("error", function(err) {
done(err);
});
var wr = fs.createWriteStream(target);
wr.on("error", function(err) {
done(err);
});
wr.on("close", function(ex) {
done();
});
rd.pipe(wr);
function done(err) {
if (!wasHandlerCalled) {
hdl(err);
wasHandlerCalled = true;
}
}
}
function computeOptionsCombination(moduleOptions) {
var options = [];
var k = Object.keys(moduleOptions);
var current = {};
function addOne(id) {
if (id === k.length) {
options.push(JSON.parse(JSON.stringify(current)));
return;
}
for (var ii = 0; ii < moduleOptions[k[id]].length; ii++) {
current[k[id]] = moduleOptions[k[id]][ii];
addOne(id + 1);
}
}
addOne(0);
return options;
}
module.exports.deleteDirectory = deleteDirectory;
module.exports.copyFile = copyFile;
module.exports.computeOptionsCombination = computeOptionsCombination;
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