semantic-release/lib/get-last-release.js
2021-07-30 13:57:35 -07:00

46 lines
1.6 KiB
JavaScript

import lodash from 'lodash'
const {isUndefined} = lodash
import semver from 'semver';
import {makeTag, isSameChannel} from './utils.js';
/**
* Last release.
*
* @typedef {Object} LastRelease
* @property {string} version The version number of the last release.
* @property {string} gitHead The Git reference used to make the last release.
* @property {string} gitTag The git tag associated with the last release.
* @property {string} channel The channel on which of the last release was published.
* @property {string} name The name of the last release.
*/
/**
* Determine the Git tag and version of the last tagged release.
*
* - Filter out the branch tags that are not valid semantic version
* - Sort the versions
* - Retrive the highest version
*
* @param {Object} context semantic-release context.
* @param {Object} params Function parameters.
* @param {Object} params.before Find only releases with version number lower than this version.
*
* @return {LastRelease} The last tagged release or empty object if none is found.
*/
export default ({branch, options: {tagFormat}}, {before} = {}) => {
const [{version, gitTag, channels} = {}] = branch.tags
.filter(
(tag) =>
((branch.type === 'prerelease' && tag.channels.some((channel) => isSameChannel(branch.channel, channel))) ||
!semver.prerelease(tag.version)) &&
(isUndefined(before) || semver.lt(tag.version, before))
)
.sort((a, b) => semver.rcompare(a.version, b.version));
if (gitTag) {
return {version, gitTag, channels, gitHead: gitTag, name: makeTag(tagFormat, version)};
}
return {};
};