'use strict';
var File = require('./file');
var ParseGitHubUrl = require('github-url-from-git');
/**
* Get the package.json object located in the current directory.
* @returns {Promise<Object>} package.json object
*/
exports.getUserPackage = function () {
var userPackagePath = process.cwd() + '/package.json';
return File.exists(userPackagePath)
.then(function () {
return require(userPackagePath);
})
.catch(function () {
throw new Error('valid package.json not found');
});
};
/**
* Grabs the repository URL if it exists in the package.json.
* @returns {Promise<String|Null>} the repository URL or null if it doesn't exist
*/
exports.extractRepoUrl = function () {
return exports.getUserPackage()
.then(function (userPackage) {
var url = userPackage.repository && userPackage.repository.url;
if (typeof url !== 'string') {
return null;
}
if (url.indexOf('github') === -1) {
return url;
} else {
return ParseGitHubUrl(url);
}
});
};
/**
* Calculate the new semver version depending on the options.
* @param {Object} options - calculation options
* @param {Boolean} options.patch - whether it should be a patch version
* @param {Boolean} options.minor - whether it should be a minor version
* @param {Boolean} options.major - whether it should be a major version
* @returns {Promise<String>} - new version
*/
exports.calculateNewVersion = function (options) {
return exports.getUserPackage()
.then(function (userPackage) {
var split = userPackage.version.split('.');
if (options.major) {
split[0] = (parseInt(split[0]) + 1).toString();
split[1] = '0';
split[2] = '0';
} else if (options.minor) {
split[1] = (parseInt(split[1]) + 1).toString();
split[2] = '0';
} else if (options.patch) {
split[2] = (parseInt(split[2]) + 1).toString();
} else {
throw new Error('patch, minor, or major needs to be set');
}
return split.join('.');
});
};
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