fix: local dependencies correct bump from release to prerelease (#34)

lib/createInlinePluginCreator.js

@@ -88,6 +88,7 @@ function createInlinePluginCreator(packages, multiContext, synchronizer, flags)
 		const analyzeCommits = async (pluginOptions, context) => {
 			const firstParentBranch = flags.firstParent ? context.branch.name : undefined;
 			pkg._preRelease = context.branch.prerelease || null;
+			pkg._branch = context.branch.name;
 
 			// Filter commits by directory.
 			commits = await getCommitsFiltered(cwd, dir, context.lastRelease.gitHead, firstParentBranch);

lib/git.js

@@ -0,0 +1,30 @@
+const execa = require("execa");
+
+/**
+ * Get all the tags for a given branch.
+ *
+ * @param {String} branch The branch for which to retrieve the tags.
+ * @param {Object} [execaOptions] Options to pass to `execa`.
+ * @param {Array<String>} filters List of prefixes/sufixes to be checked inside tags.
+ *
+ * @return {Array<String>} List of git tags.
+ * @throws {Error} If the `git` command fails.
+ * @internal
+ */
+function getTags(branch, execaOptions, filters) {
+	let tags = execa.sync("git", ["tag", "--merged", branch], execaOptions).stdout;
+	tags = tags
+		.split("\n")
+		.map((tag) => tag.trim())
+		.filter(Boolean);
+
+	if (!filters || !filters.length) return tags;
+
+	const validateSubstr = (t, f) => !!f.find((v) => t.includes(v));
+
+	return tags.filter((tag) => validateSubstr(tag, filters));
+}
+
+module.exports = {
+	getTags,
+};

lib/updateDeps.js

@@ -3,6 +3,8 @@ const semver = require("semver");
 const { isObject, isEqual, transform } = require("lodash");
 const recognizeFormat = require("./recognizeFormat");
 const getManifest = require("./getManifest");
+const { getHighestVersion, getLatestVersion } = require("./utils");
+const { getTags } = require("./git");
 const debug = require("debug")("msr:updateDeps");
 
 /**
@@ -24,13 +26,58 @@ const getNextVersion = (pkg) => {
  * Resolve next package version on prereleases.
  *
  * @param {Package} pkg Package object.
+ * @param {Array<string>} tags Override list of tags from specific pkg and branch.
  * @returns {string|undefined} Next pkg version.
  * @internal
  */
-const getNextPreVersion = (pkg) => {
+const getNextPreVersion = (pkg, tags) => {
+	const tagFilters = [pkg._preRelease];
 	const lastVersion = pkg._lastRelease && pkg._lastRelease.version;
+	const version = `1.0.0-${pkg._preRelease}.1`;
 
-	return lastVersion ? semver.inc(lastVersion, "prerelease", pkg._preRelease) : `1.0.0-${pkg._preRelease}.1`;
+	if (pkg.name) tagFilters.push(pkg.name);
+	if (!tags || !tags.length) tags = getTags(pkg._branch, { cwd: "." }, tagFilters);
+
+	if (lastVersion) {
+		const { prerelease } = semver.parse(lastVersion);
+		const lastPreRelTag = prerelease[0] || null;
+
+		// If there was a change in the prerelease tag (e.g. dev to rc), start semver from scratch with the new prerelease tag
+		if (lastPreRelTag && lastPreRelTag !== pkg._preRelease) {
+			return version;
+		}
+
+		return _nextPreHighestVersion(tags, lastVersion, pkg._nextType, pkg._preRelease);
+	}
+
+	return version;
+};
+
+/**
+ * Resolve next prerelease highest version from tags or major/minor/patch.
+ *
+ * @param {Array} tags List of all released tags from package.
+ * @param {string} lastVersion Last package version released.
+ * @param {string} pkgNextType Next type evaluated for the next package type.
+ * @param {string} pkgPreRelease Package prerelease suffix.
+ * @returns {string|undefined} Next pkg version.
+ * @internal
+ */
+const _nextPreHighestVersion = (tags, lastVersion, pkgNextType, pkgPreRelease) => {
+	if (semver.prerelease(lastVersion)) {
+		const latestVerTags = getLatestVersion(tags, { withPrerelease: true });
+		// Bump the latest version from tags if:
+		// 1. There is a tag list and a latest version result from the list
+		// 2. The last prerelease tag exists and is the same
+		const bumpLatestVerTags = latestVerTags ? semver.inc(latestVerTags, "prerelease", pkgPreRelease) : null;
+		const bumpLastVer = semver.inc(lastVersion, "prerelease", pkgPreRelease);
+
+		return bumpLatestVerTags ? getHighestVersion(bumpLastVer, bumpLatestVerTags) : bumpLastVer;
+	} else {
+		const { major, minor, patch } = semver.parse(lastVersion);
+		// Case when last version was a normal release and now it needs to be a prerelease
+		return `${semver.inc(`${major}.${minor}.${patch}`, pkgNextType || "patch")}-${pkgPreRelease}.1`;
+	}
 };
 
 /**

lib/utils.js

@@ -0,0 +1,60 @@
+/**
+ * Lifted and tweaked from semantic-release because we follow how they bump their packages/dependencies.
+ * https://github.com/semantic-release/semantic-release/blob/master/lib/utils.js
+ */
+
+const { gt, lt, prerelease, rcompare } = require("semver");
+
+/**
+ * Get tag objects and convert them to a list of stringified versions.
+ * @param {array} tags Tags as object list.
+ * @returns {array} Tags as string list.
+ * @internal
+ */
+function tagsToVersions(tags) {
+	if (!tags) return [];
+	return tags.map(({ version }) => version);
+}
+
+/**
+ * HOC that applies highest/lowest semver function.
+ * @param {Function} predicate High order function to be called.
+ * @param {string|undefined} version1 Version 1 to be compared with.
+ * @param {string|undefined} version2 Version 2 to be compared with.
+ * @returns {string|undefined} Highest or lowest version.
+ * @internal
+ */
+const _selectVersionBy = (predicate, version1, version2) => {
+	if (predicate && version1 && version2) {
+		return predicate(version1, version2) ? version1 : version2;
+	}
+	return version1 || version2;
+};
+
+/**
+ * Gets highest semver function binding gt to the HOC selectVersionBy.
+ */
+const getHighestVersion = _selectVersionBy.bind(null, gt);
+
+/**
+ * Gets lowest semver function binding gt to the HOC selectVersionBy.
+ */
+const getLowestVersion = _selectVersionBy.bind(null, lt);
+
+/**
+ * Retrieve the latest version from a list of versions.
+ * @param {array} versions Versions as string list.
+ * @param {bool|undefined} withPrerelease Prerelease flag.
+ * @returns {string|undefined} Latest version.
+ * @internal
+ */
+function getLatestVersion(versions, withPrerelease) {
+	return versions.filter((version) => withPrerelease || !prerelease(version)).sort(rcompare)[0];
+}
+
+module.exports = {
+	tagsToVersions,
+	getHighestVersion,
+	getLowestVersion,
+	getLatestVersion,
+};