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var fs = require('fs');
var path = require('path');
var _ = require('lodash');
var useragent = require('useragent');
exports.browserFullNameToShort = function(fullName) {
var agent = useragent.parse(fullName);
return agent.toAgent() + ' (' + agent.os + ')';
};
exports.isDefined = function(value) {
return !_.isUndefined(value);
};
exports.isFunction = _.isFunction;
exports.isString = _.isString;
exports.isObject = _.isObject;
exports.isArray = _.isArray;
var ABS_URL = /^https?:\/\//;
exports.isUrlAbsolute = function(url) {
return ABS_URL.test(url);
};
exports.camelToSnake = function(camelCase) {
return camelCase.replace(/[A-Z]/g, function(match, pos) {
return (pos > 0 ? '_' : '') + match.toLowerCase();
});
};
exports.ucFirst = function(word) {
return word.charAt(0).toUpperCase() + word.substr(1);
};
exports.dashToCamel = function(dash) {
var words = dash.split('-');
return words.shift() + words.map(exports.ucFirst).join('');
};
exports.arrayRemove = function(collection, item) {
var idx = collection.indexOf(item);
if (idx !== -1) {
collection.splice(idx, 1);
return true;
}
return false;
};
exports.merge = function() {
var args = Array.prototype.slice.call(arguments, 0);
args.unshift({});
return _.merge.apply({}, args);
};
exports.formatTimeInterval = function(time) {
var mins = Math.floor(time / 60000);
var secs = (time - mins * 60000) / 1000;
var str = secs + (secs === 1 ? ' sec' : ' secs');
if (mins) {
str = mins + (mins === 1 ? ' min ' : ' mins ') + str;
}
return str;
};
var replaceWinPath = function(path) {
return exports.isDefined(path) ? path.replace(/\\/g, '/') : path;
};
exports.normalizeWinPath = process.platform === 'win32' ? replaceWinPath : _.identity;
exports.mkdirIfNotExists = function mkdir(directory, done) {
// TODO(vojta): handle if it's a file
fs.stat(directory, function(err, stat) {
if (stat && stat.isDirectory()) {
done();
} else {
mkdir(path.dirname(directory), function() {
fs.mkdir(directory, done);
});
}
});
};
// export lodash
exports._ = _;